# Copyright (c) Jean-Paul Calderone # See LICENSE file for details. """ Unit tests for :py:mod:`OpenSSL.crypto`. """ from unittest import main from warnings import catch_warnings, simplefilter import base64 import os import re from subprocess import PIPE, Popen from datetime import datetime, timedelta from six import u, b, binary_type, PY3 from warnings import simplefilter from warnings import catch_warnings from OpenSSL.crypto import TYPE_RSA, TYPE_DSA, Error, PKey, PKeyType from OpenSSL.crypto import X509, X509Type, X509Name, X509NameType from OpenSSL.crypto import X509Store, X509StoreType, X509StoreContext, X509StoreContextError from OpenSSL.crypto import X509Req, X509ReqType from OpenSSL.crypto import X509Extension, X509ExtensionType from OpenSSL.crypto import load_certificate, load_privatekey from OpenSSL.crypto import FILETYPE_PEM, FILETYPE_ASN1, FILETYPE_TEXT from OpenSSL.crypto import dump_certificate, load_certificate_request from OpenSSL.crypto import dump_certificate_request, dump_privatekey from OpenSSL.crypto import PKCS7Type, load_pkcs7_data from OpenSSL.crypto import PKCS12, PKCS12Type, load_pkcs12 from OpenSSL.crypto import CRL, Revoked, load_crl from OpenSSL.crypto import NetscapeSPKI, NetscapeSPKIType from OpenSSL.crypto import ( sign, verify, get_elliptic_curve, get_elliptic_curves) from OpenSSL.test.util import ( EqualityTestsMixin, TestCase, WARNING_TYPE_EXPECTED ) from OpenSSL._util import native, lib def normalize_certificate_pem(pem): return dump_certificate(FILETYPE_PEM, load_certificate(FILETYPE_PEM, pem)) def normalize_privatekey_pem(pem): return dump_privatekey(FILETYPE_PEM, load_privatekey(FILETYPE_PEM, pem)) GOOD_CIPHER = "blowfish" BAD_CIPHER = "zippers" GOOD_DIGEST = "MD5" BAD_DIGEST = "monkeys" root_cert_pem = b("""-----BEGIN CERTIFICATE----- MIIC7TCCAlagAwIBAgIIPQzE4MbeufQwDQYJKoZIhvcNAQEFBQAwWDELMAkGA1UE BhMCVVMxCzAJBgNVBAgTAklMMRAwDgYDVQQHEwdDaGljYWdvMRAwDgYDVQQKEwdU ZXN0aW5nMRgwFgYDVQQDEw9UZXN0aW5nIFJvb3QgQ0EwIhgPMjAwOTAzMjUxMjM2 NThaGA8yMDE3MDYxMTEyMzY1OFowWDELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAklM MRAwDgYDVQQHEwdDaGljYWdvMRAwDgYDVQQKEwdUZXN0aW5nMRgwFgYDVQQDEw9U ZXN0aW5nIFJvb3QgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAPmaQumL urpE527uSEHdL1pqcDRmWzu+98Y6YHzT/J7KWEamyMCNZ6fRW1JCR782UQ8a07fy 2xXsKy4WdKaxyG8CcatwmXvpvRQ44dSANMihHELpANTdyVp6DCysED6wkQFurHlF 1dshEaJw8b/ypDhmbVIo6Ci1xvCJqivbLFnbAgMBAAGjgbswgbgwHQYDVR0OBBYE FINVdy1eIfFJDAkk51QJEo3IfgSuMIGIBgNVHSMEgYAwfoAUg1V3LV4h8UkMCSTn VAkSjch+BK6hXKRaMFgxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJJTDEQMA4GA1UE BxMHQ2hpY2FnbzEQMA4GA1UEChMHVGVzdGluZzEYMBYGA1UEAxMPVGVzdGluZyBS b290IENBggg9DMTgxt659DAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4GB AGGCDazMJGoWNBpc03u6+smc95dEead2KlZXBATOdFT1VesY3+nUOqZhEhTGlDMi hkgaZnzoIq/Uamidegk4hirsCT/R+6vsKAAxNTcBjUeZjlykCJWy5ojShGftXIKY w/njVbKMXrvc83qmTdGl3TAM0fxQIpqgcglFLveEBgzn -----END CERTIFICATE----- """) root_key_pem = b("""-----BEGIN RSA PRIVATE KEY----- MIICXQIBAAKBgQD5mkLpi7q6ROdu7khB3S9aanA0Zls7vvfGOmB80/yeylhGpsjA jWen0VtSQke/NlEPGtO38tsV7CsuFnSmschvAnGrcJl76b0UOOHUgDTIoRxC6QDU 3claegwsrBA+sJEBbqx5RdXbIRGicPG/8qQ4Zm1SKOgotcbwiaor2yxZ2wIDAQAB AoGBAPCgMpmLxzwDaUmcFbTJUvlLW1hoxNNYSu2jIZm1k/hRAcE60JYwvBkgz3UB yMEh0AtLxYe0bFk6EHah11tMUPgscbCq73snJ++8koUw+csk22G65hOs51bVb7Aa 6JBe67oLzdtvgCUFAA2qfrKzWRZzAdhUirQUZgySZk+Xq1pBAkEA/kZG0A6roTSM BVnx7LnPfsycKUsTumorpXiylZJjTi9XtmzxhrYN6wgZlDOOwOLgSQhszGpxVoMD u3gByT1b2QJBAPtL3mSKdvwRu/+40zaZLwvSJRxaj0mcE4BJOS6Oqs/hS1xRlrNk PpQ7WJ4yM6ZOLnXzm2mKyxm50Mv64109FtMCQQDOqS2KkjHaLowTGVxwC0DijMfr I9Lf8sSQk32J5VWCySWf5gGTfEnpmUa41gKTMJIbqZZLucNuDcOtzUaeWZlZAkA8 ttXigLnCqR486JDPTi9ZscoZkZ+w7y6e/hH8t6d5Vjt48JVyfjPIaJY+km58LcN3 6AWSeGAdtRFHVzR7oHjVAkB4hutvxiOeiIVQNBhM6RSI9aBPMI21DoX2JRoxvNW2 cbvAhow217X9V0dVerEOKxnNYspXRrh36h7k4mQA+sDq -----END RSA PRIVATE KEY----- """) intermediate_cert_pem = b("""-----BEGIN CERTIFICATE----- MIICVzCCAcCgAwIBAgIRAMPzhm6//0Y/g2pmnHR2C4cwDQYJKoZIhvcNAQENBQAw WDELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAklMMRAwDgYDVQQHEwdDaGljYWdvMRAw DgYDVQQKEwdUZXN0aW5nMRgwFgYDVQQDEw9UZXN0aW5nIFJvb3QgQ0EwHhcNMTQw ODI4MDIwNDA4WhcNMjQwODI1MDIwNDA4WjBmMRUwEwYDVQQDEwxpbnRlcm1lZGlh dGUxDDAKBgNVBAoTA29yZzERMA8GA1UECxMIb3JnLXVuaXQxCzAJBgNVBAYTAlVT MQswCQYDVQQIEwJDQTESMBAGA1UEBxMJU2FuIERpZWdvMIGfMA0GCSqGSIb3DQEB AQUAA4GNADCBiQKBgQDYcEQw5lfbEQRjr5Yy4yxAHGV0b9Al+Lmu7wLHMkZ/ZMmK FGIbljbviiD1Nz97Oh2cpB91YwOXOTN2vXHq26S+A5xe8z/QJbBsyghMur88CjdT 21H2qwMa+r5dCQwEhuGIiZ3KbzB/n4DTMYI5zy4IYPv0pjxShZn4aZTCCK2IUwID AQABoxMwETAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBDQUAA4GBAPIWSkLX QRMApOjjyC+tMxumT5e2pMqChHmxobQK4NMdrf2VCx+cRT6EmY8sK3/Xl/X8UBQ+ 9n5zXb1ZwhW/sTWgUvmOceJ4/XVs9FkdWOOn1J0XBch9ZIiFe/s5ASIgG7fUdcUF 9mAWS6FK2ca3xIh5kIupCXOFa0dPvlw/YUFT -----END CERTIFICATE----- """) intermediate_key_pem = b("""-----BEGIN RSA PRIVATE KEY----- MIICWwIBAAKBgQDYcEQw5lfbEQRjr5Yy4yxAHGV0b9Al+Lmu7wLHMkZ/ZMmKFGIb ljbviiD1Nz97Oh2cpB91YwOXOTN2vXHq26S+A5xe8z/QJbBsyghMur88CjdT21H2 qwMa+r5dCQwEhuGIiZ3KbzB/n4DTMYI5zy4IYPv0pjxShZn4aZTCCK2IUwIDAQAB AoGAfSZVV80pSeOKHTYfbGdNY/jHdU9eFUa/33YWriXU+77EhpIItJjkRRgivIfo rhFJpBSGmDLblaqepm8emsXMeH4+2QzOYIf0QGGP6E6scjTt1PLqdqKfVJ1a2REN 147cujNcmFJb/5VQHHMpaPTgttEjlzuww4+BCDPsVRABWrkCQQD3loH36nLoQTtf +kQq0T6Bs9/UWkTAGo0ND81ALj0F8Ie1oeZg6RNT96RxZ3aVuFTESTv6/TbjWywO wdzlmV1vAkEA38rTJ6PTwaJlw5OttdDzAXGPB9tDmzh9oSi7cHwQQXizYd8MBYx4 sjHUKD3dCQnb1dxJFhd3BT5HsnkRMbVZXQJAbXduH17ZTzcIOXc9jHDXYiFVZV5D 52vV0WCbLzVCZc3jMrtSUKa8lPN5EWrdU3UchWybyG0MR5mX8S5lrF4SoQJAIyUD DBKaSqpqONCUUx1BTFS9FYrFjzbL4+c1qHCTTPTblt8kUCrDOZjBrKAqeiTmNSum /qUot9YUBF8m6BuGsQJATHHmdFy/fG1VLkyBp49CAa8tN3Z5r/CgTznI4DfMTf4C NbRHn2UmYlwQBa+L5lg9phewNe8aEwpPyPLoV85U8Q== -----END RSA PRIVATE KEY----- """) server_cert_pem = b("""-----BEGIN CERTIFICATE----- MIICKDCCAZGgAwIBAgIJAJn/HpR21r/8MA0GCSqGSIb3DQEBBQUAMFgxCzAJBgNV BAYTAlVTMQswCQYDVQQIEwJJTDEQMA4GA1UEBxMHQ2hpY2FnbzEQMA4GA1UEChMH VGVzdGluZzEYMBYGA1UEAxMPVGVzdGluZyBSb290IENBMCIYDzIwMDkwMzI1MTIz NzUzWhgPMjAxNzA2MTExMjM3NTNaMBgxFjAUBgNVBAMTDWxvdmVseSBzZXJ2ZXIw gZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAL6m+G653V0tpBC/OKl22VxOi2Cv lK4TYu9LHSDP9uDVTe7V5D5Tl6qzFoRRx5pfmnkqT5B+W9byp2NU3FC5hLm5zSAr b45meUhjEJ/ifkZgbNUjHdBIGP9MAQUHZa5WKdkGIJvGAvs8UzUqlr4TBWQIB24+ lJ+Ukk/CRgasrYwdAgMBAAGjNjA0MB0GA1UdDgQWBBS4kC7Ij0W1TZXZqXQFAM2e gKEG2DATBgNVHSUEDDAKBggrBgEFBQcDATANBgkqhkiG9w0BAQUFAAOBgQBh30Li dJ+NlxIOx5343WqIBka3UbsOb2kxWrbkVCrvRapCMLCASO4FqiKWM+L0VDBprqIp 2mgpFQ6FHpoIENGvJhdEKpptQ5i7KaGhnDNTfdy3x1+h852G99f1iyj0RmbuFcM8 uzujnS8YXWvM7DM1Ilozk4MzPug8jzFp5uhKCQ== -----END CERTIFICATE----- """) server_key_pem = normalize_privatekey_pem(b("""-----BEGIN RSA PRIVATE KEY----- MIICWwIBAAKBgQC+pvhuud1dLaQQvzipdtlcTotgr5SuE2LvSx0gz/bg1U3u1eQ+ U5eqsxaEUceaX5p5Kk+QflvW8qdjVNxQuYS5uc0gK2+OZnlIYxCf4n5GYGzVIx3Q SBj/TAEFB2WuVinZBiCbxgL7PFM1Kpa+EwVkCAduPpSflJJPwkYGrK2MHQIDAQAB AoGAbwuZ0AR6JveahBaczjfnSpiFHf+mve2UxoQdpyr6ROJ4zg/PLW5K/KXrC48G j6f3tXMrfKHcpEoZrQWUfYBRCUsGD5DCazEhD8zlxEHahIsqpwA0WWssJA2VOLEN j6DuV2pCFbw67rfTBkTSo32ahfXxEKev5KswZk0JIzH3ooECQQDgzS9AI89h0gs8 Dt+1m11Rzqo3vZML7ZIyGApUzVan+a7hbc33nbGRkAXjHaUBJO31it/H6dTO+uwX msWwNG5ZAkEA2RyFKs5xR5USTFaKLWCgpH/ydV96KPOpBND7TKQx62snDenFNNbn FwwOhpahld+vqhYk+pfuWWUpQciE+Bu7ZQJASjfT4sQv4qbbKK/scePicnDdx9th 4e1EeB9xwb+tXXXUo/6Bor/AcUNwfiQ6Zt9PZOK9sR3lMZSsP7rMi7kzuQJABie6 1sXXjFH7nNJvRG4S39cIxq8YRYTy68II/dlB2QzGpKxV/POCxbJ/zu0CU79tuYK7 NaeNCFfH3aeTrX0LyQJAMBWjWmeKM2G2sCExheeQK0ROnaBC8itCECD4Jsve4nqf r50+LF74iLXFwqysVCebPKMOpDWp/qQ1BbJQIPs7/A== -----END RSA PRIVATE KEY----- """)) intermediate_server_cert_pem = b("""-----BEGIN CERTIFICATE----- MIICWDCCAcGgAwIBAgIRAPQFY9jfskSihdiNSNdt6GswDQYJKoZIhvcNAQENBQAw ZjEVMBMGA1UEAxMMaW50ZXJtZWRpYXRlMQwwCgYDVQQKEwNvcmcxETAPBgNVBAsT CG9yZy11bml0MQswCQYDVQQGEwJVUzELMAkGA1UECBMCQ0ExEjAQBgNVBAcTCVNh biBEaWVnbzAeFw0xNDA4MjgwMjEwNDhaFw0yNDA4MjUwMjEwNDhaMG4xHTAbBgNV BAMTFGludGVybWVkaWF0ZS1zZXJ2aWNlMQwwCgYDVQQKEwNvcmcxETAPBgNVBAsT CG9yZy11bml0MQswCQYDVQQGEwJVUzELMAkGA1UECBMCQ0ExEjAQBgNVBAcTCVNh biBEaWVnbzCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAqpJZygd+w1faLOr1 iOAmbBhx5SZWcTCZ/ZjHQTJM7GuPT624QkqsixFghRKdDROwpwnAP7gMRukLqiy4 +kRuGT5OfyGggL95i2xqA+zehjj08lSTlvGHpePJgCyTavIy5+Ljsj4DKnKyuhxm biXTRrH83NDgixVkObTEmh/OVK0CAwEAATANBgkqhkiG9w0BAQ0FAAOBgQBa0Npw UkzjaYEo1OUE1sTI6Mm4riTIHMak4/nswKh9hYup//WVOlr/RBSBtZ7Q/BwbjobN 3bfAtV7eSAqBsfxYXyof7G1ALANQERkq3+oyLP1iVt08W1WOUlIMPhdCF/QuCwy6 x9MJLhUCGLJPM+O2rAPWVD9wCmvq10ALsiH3yA== -----END CERTIFICATE----- """) intermediate_server_key_pem = b("""-----BEGIN RSA PRIVATE KEY----- MIICXAIBAAKBgQCqklnKB37DV9os6vWI4CZsGHHlJlZxMJn9mMdBMkzsa49PrbhC SqyLEWCFEp0NE7CnCcA/uAxG6QuqLLj6RG4ZPk5/IaCAv3mLbGoD7N6GOPTyVJOW 8Yel48mALJNq8jLn4uOyPgMqcrK6HGZuJdNGsfzc0OCLFWQ5tMSaH85UrQIDAQAB AoGAIQ594j5zna3/9WaPsTgnmhlesVctt4AAx/n827DA4ayyuHFlXUuVhtoWR5Pk 5ezj9mtYW8DyeCegABnsu2vZni/CdvU6uiS1Hv6qM1GyYDm9KWgovIP9rQCDSGaz d57IWVGxx7ODFkm3gN5nxnSBOFVHytuW1J7FBRnEsehRroECQQDXHFOv82JuXDcz z3+4c74IEURdOHcbycxlppmK9kFqm5lsUdydnnGW+mvwDk0APOB7Wg7vyFyr393e dpmBDCzNAkEAyv6tVbTKUYhSjW+QhabJo896/EqQEYUmtMXxk4cQnKeR/Ao84Rkf EqD5IykMUfUI0jJU4DGX+gWZ10a7kNbHYQJAVFCuHNFxS4Cpwo0aqtnzKoZaHY/8 X9ABZfafSHCtw3Op92M+7ikkrOELXdS9KdKyyqbKJAKNEHF3LbOfB44WIQJAA2N4 9UNNVUsXRbElEnYUS529CdUczo4QdVgQjkvk5RiPAUwSdBd9Q0xYnFOlFwEmIowg ipWJWe0aAlP18ZcEQQJBAL+5lekZ/GUdQoZ4HAsN5a9syrzavJ9VvU1KOOPorPZK nMRZbbQgP+aSB7yl6K0gaLaZ8XaK0pjxNBh6ASqg9f4= -----END RSA PRIVATE KEY----- """) client_cert_pem = b("""-----BEGIN CERTIFICATE----- MIICJjCCAY+gAwIBAgIJAKxpFI5lODkjMA0GCSqGSIb3DQEBBQUAMFgxCzAJBgNV BAYTAlVTMQswCQYDVQQIEwJJTDEQMA4GA1UEBxMHQ2hpY2FnbzEQMA4GA1UEChMH VGVzdGluZzEYMBYGA1UEAxMPVGVzdGluZyBSb290IENBMCIYDzIwMDkwMzI1MTIz ODA1WhgPMjAxNzA2MTExMjM4MDVaMBYxFDASBgNVBAMTC3VnbHkgY2xpZW50MIGf MA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDAZh/SRtNm5ntMT4qb6YzEpTroMlq2 rn+GrRHRiZ+xkCw/CGNhbtPir7/QxaUj26BSmQrHw1bGKEbPsWiW7bdXSespl+xK iku4G/KvnnmWdeJHqsiXeUZtqurMELcPQAw9xPHEuhqqUJvvEoMTsnCEqGM+7Dtb oCRajYyHfluARQIDAQABozYwNDAdBgNVHQ4EFgQUNQB+qkaOaEVecf1J3TTUtAff 0fAwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDQYJKoZIhvcNAQEFBQADgYEAyv/Jh7gM Q3OHvmsFEEvRI+hsW8y66zK4K5de239Y44iZrFYkt7Q5nBPMEWDj4F2hLYWL/qtI 9Zdr0U4UDCU9SmmGYh4o7R4TZ5pGFvBYvjhHbkSFYFQXZxKUi+WUxplP6I0wr2KJ PSTJCjJOn3xo2NTKRgV1gaoTf2EhL+RG8TQ= -----END CERTIFICATE----- """) client_key_pem = normalize_privatekey_pem(b("""-----BEGIN RSA PRIVATE KEY----- MIICXgIBAAKBgQDAZh/SRtNm5ntMT4qb6YzEpTroMlq2rn+GrRHRiZ+xkCw/CGNh btPir7/QxaUj26BSmQrHw1bGKEbPsWiW7bdXSespl+xKiku4G/KvnnmWdeJHqsiX eUZtqurMELcPQAw9xPHEuhqqUJvvEoMTsnCEqGM+7DtboCRajYyHfluARQIDAQAB AoGATkZ+NceY5Glqyl4mD06SdcKfV65814vg2EL7V9t8+/mi9rYL8KztSXGlQWPX zuHgtRoMl78yQ4ZJYOBVo+nsx8KZNRCEBlE19bamSbQLCeQMenWnpeYyQUZ908gF h6L9qsFVJepgA9RDgAjyDoS5CaWCdCCPCH2lDkdcqC54SVUCQQDseuduc4wi8h4t V8AahUn9fn9gYfhoNuM0gdguTA0nPLVWz4hy1yJiWYQe0H7NLNNTmCKiLQaJpAbb TC6vE8C7AkEA0Ee8CMJUc20BnGEmxwgWcVuqFWaKCo8jTH1X38FlATUsyR3krjW2 dL3yDD9NwHxsYP7nTKp/U8MV7U9IBn4y/wJBAJl7H0/BcLeRmuJk7IqJ7b635iYB D/9beFUw3MUXmQXZUfyYz39xf6CDZsu1GEdEC5haykeln3Of4M9d/4Kj+FcCQQCY si6xwT7GzMDkk/ko684AV3KPc/h6G0yGtFIrMg7J3uExpR/VdH2KgwMkZXisSMvw JJEQjOMCVsEJlRk54WWjAkEAzoZNH6UhDdBK5F38rVt/y4SEHgbSfJHIAmPS32Kq f6GGcfNpip0Uk7q7udTKuX7Q/buZi/C4YW7u3VKAquv9NA== -----END RSA PRIVATE KEY----- """)) cleartextCertificatePEM = b("""-----BEGIN CERTIFICATE----- MIIC7TCCAlagAwIBAgIIPQzE4MbeufQwDQYJKoZIhvcNAQEFBQAwWDELMAkGA1UE BhMCVVMxCzAJBgNVBAgTAklMMRAwDgYDVQQHEwdDaGljYWdvMRAwDgYDVQQKEwdU ZXN0aW5nMRgwFgYDVQQDEw9UZXN0aW5nIFJvb3QgQ0EwIhgPMjAwOTAzMjUxMjM2 NThaGA8yMDE3MDYxMTEyMzY1OFowWDELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAklM MRAwDgYDVQQHEwdDaGljYWdvMRAwDgYDVQQKEwdUZXN0aW5nMRgwFgYDVQQDEw9U ZXN0aW5nIFJvb3QgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAPmaQumL urpE527uSEHdL1pqcDRmWzu+98Y6YHzT/J7KWEamyMCNZ6fRW1JCR782UQ8a07fy 2xXsKy4WdKaxyG8CcatwmXvpvRQ44dSANMihHELpANTdyVp6DCysED6wkQFurHlF 1dshEaJw8b/ypDhmbVIo6Ci1xvCJqivbLFnbAgMBAAGjgbswgbgwHQYDVR0OBBYE FINVdy1eIfFJDAkk51QJEo3IfgSuMIGIBgNVHSMEgYAwfoAUg1V3LV4h8UkMCSTn VAkSjch+BK6hXKRaMFgxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJJTDEQMA4GA1UE BxMHQ2hpY2FnbzEQMA4GA1UEChMHVGVzdGluZzEYMBYGA1UEAxMPVGVzdGluZyBS b290IENBggg9DMTgxt659DAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4GB AGGCDazMJGoWNBpc03u6+smc95dEead2KlZXBATOdFT1VesY3+nUOqZhEhTGlDMi hkgaZnzoIq/Uamidegk4hirsCT/R+6vsKAAxNTcBjUeZjlykCJWy5ojShGftXIKY w/njVbKMXrvc83qmTdGl3TAM0fxQIpqgcglFLveEBgzn -----END CERTIFICATE----- """) cleartextPrivateKeyPEM = normalize_privatekey_pem(b("""\ -----BEGIN RSA PRIVATE KEY----- MIICXQIBAAKBgQD5mkLpi7q6ROdu7khB3S9aanA0Zls7vvfGOmB80/yeylhGpsjA jWen0VtSQke/NlEPGtO38tsV7CsuFnSmschvAnGrcJl76b0UOOHUgDTIoRxC6QDU 3claegwsrBA+sJEBbqx5RdXbIRGicPG/8qQ4Zm1SKOgotcbwiaor2yxZ2wIDAQAB AoGBAPCgMpmLxzwDaUmcFbTJUvlLW1hoxNNYSu2jIZm1k/hRAcE60JYwvBkgz3UB yMEh0AtLxYe0bFk6EHah11tMUPgscbCq73snJ++8koUw+csk22G65hOs51bVb7Aa 6JBe67oLzdtvgCUFAA2qfrKzWRZzAdhUirQUZgySZk+Xq1pBAkEA/kZG0A6roTSM BVnx7LnPfsycKUsTumorpXiylZJjTi9XtmzxhrYN6wgZlDOOwOLgSQhszGpxVoMD u3gByT1b2QJBAPtL3mSKdvwRu/+40zaZLwvSJRxaj0mcE4BJOS6Oqs/hS1xRlrNk PpQ7WJ4yM6ZOLnXzm2mKyxm50Mv64109FtMCQQDOqS2KkjHaLowTGVxwC0DijMfr I9Lf8sSQk32J5VWCySWf5gGTfEnpmUa41gKTMJIbqZZLucNuDcOtzUaeWZlZAkA8 ttXigLnCqR486JDPTi9ZscoZkZ+w7y6e/hH8t6d5Vjt48JVyfjPIaJY+km58LcN3 6AWSeGAdtRFHVzR7oHjVAkB4hutvxiOeiIVQNBhM6RSI9aBPMI21DoX2JRoxvNW2 cbvAhow217X9V0dVerEOKxnNYspXRrh36h7k4mQA+sDq -----END RSA PRIVATE KEY----- """)) cleartextCertificateRequestPEM = b("""-----BEGIN CERTIFICATE REQUEST----- MIIBnjCCAQcCAQAwXjELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAklMMRAwDgYDVQQH EwdDaGljYWdvMRcwFQYDVQQKEw5NeSBDb21wYW55IEx0ZDEXMBUGA1UEAxMORnJl ZGVyaWNrIERlYW4wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBANp6Y17WzKSw BsUWkXdqg6tnXy8H8hA1msCMWpc+/2KJ4mbv5NyD6UD+/SqagQqulPbF/DFea9nA E0zhmHJELcM8gUTIlXv/cgDWnmK4xj8YkjVUiCdqKRAKeuzLG1pGmwwF5lGeJpXN xQn5ecR0UYSOWj6TTGXB9VyUMQzCClcBAgMBAAGgADANBgkqhkiG9w0BAQUFAAOB gQAAJGuF/R/GGbeC7FbFW+aJgr9ee0Xbl6nlhu7pTe67k+iiKT2dsl2ti68MVTnu Vrb3HUNqOkiwsJf6kCtq5oPn3QVYzTa76Dt2y3Rtzv6boRSlmlfrgS92GNma8JfR oICQk3nAudi6zl1Dix3BCv1pUp5KMtGn3MeDEi6QFGy2rA== -----END CERTIFICATE REQUEST----- """) encryptedPrivateKeyPEM = b("""-----BEGIN RSA PRIVATE KEY----- Proc-Type: 4,ENCRYPTED DEK-Info: DES-EDE3-CBC,9573604A18579E9E SHOho56WxDkT0ht10UTeKc0F5u8cqIa01kzFAmETw0MAs8ezYtK15NPdCXUm3X/2 a17G7LSF5bkxOgZ7vpXyMzun/owrj7CzvLxyncyEFZWvtvzaAhPhvTJtTIB3kf8B 8+qRcpTGK7NgXEgYBW5bj1y4qZkD4zCL9o9NQzsKI3Ie8i0239jsDOWR38AxjXBH mGwAQ4Z6ZN5dnmM4fhMIWsmFf19sNyAML4gHenQCHhmXbjXeVq47aC2ProInJbrm +00TcisbAQ40V9aehVbcDKtS4ZbMVDwncAjpXpcncC54G76N6j7F7wL7L/FuXa3A fvSVy9n2VfF/pJ3kYSflLHH2G/DFxjF7dl0GxhKPxJjp3IJi9VtuvmN9R2jZWLQF tfC8dXgy/P9CfFQhlinqBTEwgH0oZ/d4k4NVFDSdEMaSdmBAjlHpc+Vfdty3HVnV rKXj//wslsFNm9kIwJGIgKUa/n2jsOiydrsk1mgH7SmNCb3YHgZhbbnq0qLat/HC gHDt3FHpNQ31QzzL3yrenFB2L9osIsnRsDTPFNi4RX4SpDgNroxOQmyzCCV6H+d4 o1mcnNiZSdxLZxVKccq0AfRpHqpPAFnJcQHP6xyT9MZp6fBa0XkxDnt9kNU8H3Qw 7SJWZ69VXjBUzMlQViLuaWMgTnL+ZVyFZf9hTF7U/ef4HMLMAVNdiaGG+G+AjCV/ MbzjS007Oe4qqBnCWaFPSnJX6uLApeTbqAxAeyCql56ULW5x6vDMNC3dwjvS/CEh 11n8RkgFIQA0AhuKSIg3CbuartRsJnWOLwgLTzsrKYL4yRog1RJrtw== -----END RSA PRIVATE KEY----- """) encryptedPrivateKeyPEMPassphrase = b("foobar") # Some PKCS#7 stuff. Generated with the openssl command line: # # openssl crl2pkcs7 -inform pem -outform pem -certfile s.pem -nocrl # # with a certificate and key (but the key should be irrelevant) in s.pem pkcs7Data = b("""\ -----BEGIN PKCS7----- MIIDNwYJKoZIhvcNAQcCoIIDKDCCAyQCAQExADALBgkqhkiG9w0BBwGgggMKMIID BjCCAm+gAwIBAgIBATANBgkqhkiG9w0BAQQFADB7MQswCQYDVQQGEwJTRzERMA8G A1UEChMITTJDcnlwdG8xFDASBgNVBAsTC00yQ3J5cHRvIENBMSQwIgYDVQQDExtN MkNyeXB0byBDZXJ0aWZpY2F0ZSBNYXN0ZXIxHTAbBgkqhkiG9w0BCQEWDm5ncHNA cG9zdDEuY29tMB4XDTAwMDkxMDA5NTEzMFoXDTAyMDkxMDA5NTEzMFowUzELMAkG A1UEBhMCU0cxETAPBgNVBAoTCE0yQ3J5cHRvMRIwEAYDVQQDEwlsb2NhbGhvc3Qx HTAbBgkqhkiG9w0BCQEWDm5ncHNAcG9zdDEuY29tMFwwDQYJKoZIhvcNAQEBBQAD SwAwSAJBAKy+e3dulvXzV7zoTZWc5TzgApr8DmeQHTYC8ydfzH7EECe4R1Xh5kwI zOuuFfn178FBiS84gngaNcrFi0Z5fAkCAwEAAaOCAQQwggEAMAkGA1UdEwQCMAAw LAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJhdGVkIENlcnRpZmljYXRlMB0G A1UdDgQWBBTPhIKSvnsmYsBVNWjj0m3M2z0qVTCBpQYDVR0jBIGdMIGagBT7hyNp 65w6kxXlxb8pUU/+7Sg4AaF/pH0wezELMAkGA1UEBhMCU0cxETAPBgNVBAoTCE0y Q3J5cHRvMRQwEgYDVQQLEwtNMkNyeXB0byBDQTEkMCIGA1UEAxMbTTJDcnlwdG8g Q2VydGlmaWNhdGUgTWFzdGVyMR0wGwYJKoZIhvcNAQkBFg5uZ3BzQHBvc3QxLmNv bYIBADANBgkqhkiG9w0BAQQFAAOBgQA7/CqT6PoHycTdhEStWNZde7M/2Yc6BoJu VwnW8YxGO8Sn6UJ4FeffZNcYZddSDKosw8LtPOeWoK3JINjAk5jiPQ2cww++7QGG /g5NDjxFZNDJP1dGiLAxPW6JXwov4v0FmdzfLOZ01jDcgQQZqEpYlgpuI5JEWUQ9 Ho4EzbYCOaEAMQA= -----END PKCS7----- """) pkcs7DataASN1 = base64.b64decode(b""" MIIDNwYJKoZIhvcNAQcCoIIDKDCCAyQCAQExADALBgkqhkiG9w0BBwGgggMKMIID BjCCAm+gAwIBAgIBATANBgkqhkiG9w0BAQQFADB7MQswCQYDVQQGEwJTRzERMA8G A1UEChMITTJDcnlwdG8xFDASBgNVBAsTC00yQ3J5cHRvIENBMSQwIgYDVQQDExtN MkNyeXB0byBDZXJ0aWZpY2F0ZSBNYXN0ZXIxHTAbBgkqhkiG9w0BCQEWDm5ncHNA cG9zdDEuY29tMB4XDTAwMDkxMDA5NTEzMFoXDTAyMDkxMDA5NTEzMFowUzELMAkG A1UEBhMCU0cxETAPBgNVBAoTCE0yQ3J5cHRvMRIwEAYDVQQDEwlsb2NhbGhvc3Qx HTAbBgkqhkiG9w0BCQEWDm5ncHNAcG9zdDEuY29tMFwwDQYJKoZIhvcNAQEBBQAD SwAwSAJBAKy+e3dulvXzV7zoTZWc5TzgApr8DmeQHTYC8ydfzH7EECe4R1Xh5kwI zOuuFfn178FBiS84gngaNcrFi0Z5fAkCAwEAAaOCAQQwggEAMAkGA1UdEwQCMAAw LAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJhdGVkIENlcnRpZmljYXRlMB0G A1UdDgQWBBTPhIKSvnsmYsBVNWjj0m3M2z0qVTCBpQYDVR0jBIGdMIGagBT7hyNp 65w6kxXlxb8pUU/+7Sg4AaF/pH0wezELMAkGA1UEBhMCU0cxETAPBgNVBAoTCE0y Q3J5cHRvMRQwEgYDVQQLEwtNMkNyeXB0byBDQTEkMCIGA1UEAxMbTTJDcnlwdG8g Q2VydGlmaWNhdGUgTWFzdGVyMR0wGwYJKoZIhvcNAQkBFg5uZ3BzQHBvc3QxLmNv bYIBADANBgkqhkiG9w0BAQQFAAOBgQA7/CqT6PoHycTdhEStWNZde7M/2Yc6BoJu VwnW8YxGO8Sn6UJ4FeffZNcYZddSDKosw8LtPOeWoK3JINjAk5jiPQ2cww++7QGG /g5NDjxFZNDJP1dGiLAxPW6JXwov4v0FmdzfLOZ01jDcgQQZqEpYlgpuI5JEWUQ9 Ho4EzbYCOaEAMQA= """) crlData = b("""\ -----BEGIN X509 CRL----- MIIBWzCBxTANBgkqhkiG9w0BAQQFADBYMQswCQYDVQQGEwJVUzELMAkGA1UECBMC SUwxEDAOBgNVBAcTB0NoaWNhZ28xEDAOBgNVBAoTB1Rlc3RpbmcxGDAWBgNVBAMT D1Rlc3RpbmcgUm9vdCBDQRcNMDkwNzI2MDQzNDU2WhcNMTIwOTI3MDI0MTUyWjA8 MBUCAgOrGA8yMDA5MDcyNTIzMzQ1NlowIwICAQAYDzIwMDkwNzI1MjMzNDU2WjAM MAoGA1UdFQQDCgEEMA0GCSqGSIb3DQEBBAUAA4GBAEBt7xTs2htdD3d4ErrcGAw1 4dKcVnIWTutoI7xxen26Wwvh8VCsT7i/UeP+rBl9rC/kfjWjzQk3/zleaarGTpBT 0yp4HXRFFoRhhSE/hP+eteaPXRgrsNRLHe9ZDd69wmh7J1wMDb0m81RG7kqcbsid vrzEeLDRiiPl92dyyWmu -----END X509 CRL----- """) # A broken RSA private key which can be used to test the error path through # PKey.check. inconsistentPrivateKeyPEM = b("""-----BEGIN RSA PRIVATE KEY----- MIIBPAIBAAJBAKy+e3dulvXzV7zoTZWc5TzgApr8DmeQHTYC8ydfzH7EECe4R1Xh 5kwIzOuuFfn178FBiS84gngaNcrFi0Z5fAkCAwEaAQJBAIqm/bz4NA1H++Vx5Ewx OcKp3w19QSaZAwlGRtsUxrP7436QjnREM3Bm8ygU11BjkPVmtrKm6AayQfCHqJoT zIECIQDW0BoMoL0HOYM/mrTLhaykYAVqgIeJsPjvkEhTFXWBuQIhAM3deFAvWNu4 nklUQ37XsCT2c9tmNt1LAT+slG2JOTTRAiAuXDtC/m3NYVwyHfFm+zKHRzHkClk2 HjubeEgjpj32AQIhAJqMGTaZVOwevTXvvHwNeH+vRWsAYU/gbx+OQB+7VOcBAiEA oolb6NMg/R3enNPvS1O4UU1H8wpaF77L4yiSWlE0p4w= -----END RSA PRIVATE KEY----- """) # certificate with NULL bytes in subjectAltName and common name nulbyteSubjectAltNamePEM = b("""-----BEGIN CERTIFICATE----- MIIE2DCCA8CgAwIBAgIBADANBgkqhkiG9w0BAQUFADCBxTELMAkGA1UEBhMCVVMx DzANBgNVBAgMBk9yZWdvbjESMBAGA1UEBwwJQmVhdmVydG9uMSMwIQYDVQQKDBpQ eXRob24gU29mdHdhcmUgRm91bmRhdGlvbjEgMB4GA1UECwwXUHl0aG9uIENvcmUg RGV2ZWxvcG1lbnQxJDAiBgNVBAMMG251bGwucHl0aG9uLm9yZwBleGFtcGxlLm9y ZzEkMCIGCSqGSIb3DQEJARYVcHl0aG9uLWRldkBweXRob24ub3JnMB4XDTEzMDgw NzEzMTE1MloXDTEzMDgwNzEzMTI1MlowgcUxCzAJBgNVBAYTAlVTMQ8wDQYDVQQI DAZPcmVnb24xEjAQBgNVBAcMCUJlYXZlcnRvbjEjMCEGA1UECgwaUHl0aG9uIFNv ZnR3YXJlIEZvdW5kYXRpb24xIDAeBgNVBAsMF1B5dGhvbiBDb3JlIERldmVsb3Bt ZW50MSQwIgYDVQQDDBtudWxsLnB5dGhvbi5vcmcAZXhhbXBsZS5vcmcxJDAiBgkq hkiG9w0BCQEWFXB5dGhvbi1kZXZAcHl0aG9uLm9yZzCCASIwDQYJKoZIhvcNAQEB BQADggEPADCCAQoCggEBALXq7cn7Rn1vO3aA3TrzA5QLp6bb7B3f/yN0CJ2XFj+j pHs+Gw6WWSUDpybiiKnPec33BFawq3kyblnBMjBU61ioy5HwQqVkJ8vUVjGIUq3P vX/wBmQfzCe4o4uM89gpHyUL9UYGG8oCRa17dgqcv7u5rg0Wq2B1rgY+nHwx3JIv KRrgSwyRkGzpN8WQ1yrXlxWjgI9de0mPVDDUlywcWze1q2kwaEPTM3hLAmD1PESA oY/n8A/RXoeeRs9i/Pm/DGUS8ZPINXk/yOzsR/XvvkTVroIeLZqfmFpnZeF0cHzL 08LODkVJJ9zjLdT7SA4vnne4FEbAxDbKAq5qkYzaL4UCAwEAAaOB0DCBzTAMBgNV HRMBAf8EAjAAMB0GA1UdDgQWBBSIWlXAUv9hzVKjNQ/qWpwkOCL3XDALBgNVHQ8E BAMCBeAwgZAGA1UdEQSBiDCBhYIeYWx0bnVsbC5weXRob24ub3JnAGV4YW1wbGUu Y29tgSBudWxsQHB5dGhvbi5vcmcAdXNlckBleGFtcGxlLm9yZ4YpaHR0cDovL251 bGwucHl0aG9uLm9yZwBodHRwOi8vZXhhbXBsZS5vcmeHBMAAAgGHECABDbgAAAAA AAAAAAAAAAEwDQYJKoZIhvcNAQEFBQADggEBAKxPRe99SaghcI6IWT7UNkJw9aO9 i9eo0Fj2MUqxpKbdb9noRDy2CnHWf7EIYZ1gznXPdwzSN4YCjV5d+Q9xtBaowT0j HPERs1ZuytCNNJTmhyqZ8q6uzMLoht4IqH/FBfpvgaeC5tBTnTT0rD5A/olXeimk kX4LxlEx5RAvpGB2zZVRGr6LobD9rVK91xuHYNIxxxfEGE8tCCWjp0+3ksri9SXx VHWBnbM9YaL32u3hxm8sYB/Yb8WSBavJCWJJqRStVRHM1koZlJmXNx2BX4vPo6iW RFEIPQsFZRLrtnCAiEhyT8bC2s/Njlu6ly9gtJZWSV46Q3ZjBL4q9sHKqZQ= -----END CERTIFICATE-----""") class X509ExtTests(TestCase): """ Tests for :py:class:`OpenSSL.crypto.X509Extension`. """ def setUp(self): """ Create a new private key and start a certificate request (for a test method to finish in one way or another). """ super(X509ExtTests, self).setUp() # Basic setup stuff to generate a certificate self.pkey = PKey() self.pkey.generate_key(TYPE_RSA, 384) self.req = X509Req() self.req.set_pubkey(self.pkey) # Authority good you have. self.req.get_subject().commonName = "Yoda root CA" self.x509 = X509() self.subject = self.x509.get_subject() self.subject.commonName = self.req.get_subject().commonName self.x509.set_issuer(self.subject) self.x509.set_pubkey(self.pkey) now = b(datetime.now().strftime("%Y%m%d%H%M%SZ")) expire = b((datetime.now() + timedelta(days=100)).strftime("%Y%m%d%H%M%SZ")) self.x509.set_notBefore(now) self.x509.set_notAfter(expire) def tearDown(self): """ Forget all of the pyOpenSSL objects so they can be garbage collected, their memory released, and not interfere with the leak detection code. """ self.pkey = self.req = self.x509 = self.subject = None super(X509ExtTests, self).tearDown() def test_str(self): """ The string representation of :py:class:`X509Extension` instances as returned by :py:data:`str` includes stuff. """ # This isn't necessarily the best string representation. Perhaps it # will be changed/improved in the future. self.assertEquals( str(X509Extension(b('basicConstraints'), True, b('CA:false'))), 'CA:FALSE') def test_type(self): """ :py:class:`X509Extension` and :py:class:`X509ExtensionType` refer to the same type object and can be used to create instances of that type. """ self.assertIdentical(X509Extension, X509ExtensionType) self.assertConsistentType( X509Extension, 'X509Extension', b('basicConstraints'), True, b('CA:true')) def test_construction(self): """ :py:class:`X509Extension` accepts an extension type name, a critical flag, and an extension value and returns an :py:class:`X509ExtensionType` instance. """ basic = X509Extension(b('basicConstraints'), True, b('CA:true')) self.assertTrue( isinstance(basic, X509ExtensionType), "%r is of type %r, should be %r" % ( basic, type(basic), X509ExtensionType)) comment = X509Extension( b('nsComment'), False, b('pyOpenSSL unit test')) self.assertTrue( isinstance(comment, X509ExtensionType), "%r is of type %r, should be %r" % ( comment, type(comment), X509ExtensionType)) def test_invalid_extension(self): """ :py:class:`X509Extension` raises something if it is passed a bad extension name or value. """ self.assertRaises( Error, X509Extension, b('thisIsMadeUp'), False, b('hi')) self.assertRaises( Error, X509Extension, b('basicConstraints'), False, b('blah blah')) # Exercise a weird one (an extension which uses the r2i method). This # exercises the codepath that requires a non-NULL ctx to be passed to # X509V3_EXT_nconf. It can't work now because we provide no # configuration database. It might be made to work in the future. self.assertRaises( Error, X509Extension, b('proxyCertInfo'), True, b('language:id-ppl-anyLanguage,pathlen:1,policy:text:AB')) def test_get_critical(self): """ :py:meth:`X509ExtensionType.get_critical` returns the value of the extension's critical flag. """ ext = X509Extension(b('basicConstraints'), True, b('CA:true')) self.assertTrue(ext.get_critical()) ext = X509Extension(b('basicConstraints'), False, b('CA:true')) self.assertFalse(ext.get_critical()) def test_get_short_name(self): """ :py:meth:`X509ExtensionType.get_short_name` returns a string giving the short type name of the extension. """ ext = X509Extension(b('basicConstraints'), True, b('CA:true')) self.assertEqual(ext.get_short_name(), b('basicConstraints')) ext = X509Extension(b('nsComment'), True, b('foo bar')) self.assertEqual(ext.get_short_name(), b('nsComment')) def test_get_data(self): """ :py:meth:`X509Extension.get_data` returns a string giving the data of the extension. """ ext = X509Extension(b('basicConstraints'), True, b('CA:true')) # Expect to get back the DER encoded form of CA:true. self.assertEqual(ext.get_data(), b('0\x03\x01\x01\xff')) def test_get_data_wrong_args(self): """ :py:meth:`X509Extension.get_data` raises :py:exc:`TypeError` if passed any arguments. """ ext = X509Extension(b('basicConstraints'), True, b('CA:true')) self.assertRaises(TypeError, ext.get_data, None) self.assertRaises(TypeError, ext.get_data, "foo") self.assertRaises(TypeError, ext.get_data, 7) def test_unused_subject(self): """ The :py:data:`subject` parameter to :py:class:`X509Extension` may be provided for an extension which does not use it and is ignored in this case. """ ext1 = X509Extension( b('basicConstraints'), False, b('CA:TRUE'), subject=self.x509) self.x509.add_extensions([ext1]) self.x509.sign(self.pkey, 'sha1') # This is a little lame. Can we think of a better way? text = dump_certificate(FILETYPE_TEXT, self.x509) self.assertTrue(b('X509v3 Basic Constraints:') in text) self.assertTrue(b('CA:TRUE') in text) def test_subject(self): """ If an extension requires a subject, the :py:data:`subject` parameter to :py:class:`X509Extension` provides its value. """ ext3 = X509Extension( b('subjectKeyIdentifier'), False, b('hash'), subject=self.x509) self.x509.add_extensions([ext3]) self.x509.sign(self.pkey, 'sha1') text = dump_certificate(FILETYPE_TEXT, self.x509) self.assertTrue(b('X509v3 Subject Key Identifier:') in text) def test_missing_subject(self): """ If an extension requires a subject and the :py:data:`subject` parameter is given no value, something happens. """ self.assertRaises( Error, X509Extension, b('subjectKeyIdentifier'), False, b('hash')) def test_invalid_subject(self): """ If the :py:data:`subject` parameter is given a value which is not an :py:class:`X509` instance, :py:exc:`TypeError` is raised. """ for badObj in [True, object(), "hello", [], self]: self.assertRaises( TypeError, X509Extension, 'basicConstraints', False, 'CA:TRUE', subject=badObj) def test_unused_issuer(self): """ The :py:data:`issuer` parameter to :py:class:`X509Extension` may be provided for an extension which does not use it and is ignored in this case. """ ext1 = X509Extension( b('basicConstraints'), False, b('CA:TRUE'), issuer=self.x509) self.x509.add_extensions([ext1]) self.x509.sign(self.pkey, 'sha1') text = dump_certificate(FILETYPE_TEXT, self.x509) self.assertTrue(b('X509v3 Basic Constraints:') in text) self.assertTrue(b('CA:TRUE') in text) def test_issuer(self): """ If an extension requires an issuer, the :py:data:`issuer` parameter to :py:class:`X509Extension` provides its value. """ ext2 = X509Extension( b('authorityKeyIdentifier'), False, b('issuer:always'), issuer=self.x509) self.x509.add_extensions([ext2]) self.x509.sign(self.pkey, 'sha1') text = dump_certificate(FILETYPE_TEXT, self.x509) self.assertTrue(b('X509v3 Authority Key Identifier:') in text) self.assertTrue(b('DirName:/CN=Yoda root CA') in text) def test_missing_issuer(self): """ If an extension requires an issue and the :py:data:`issuer` parameter is given no value, something happens. """ self.assertRaises( Error, X509Extension, b('authorityKeyIdentifier'), False, b('keyid:always,issuer:always')) def test_invalid_issuer(self): """ If the :py:data:`issuer` parameter is given a value which is not an :py:class:`X509` instance, :py:exc:`TypeError` is raised. """ for badObj in [True, object(), "hello", [], self]: self.assertRaises( TypeError, X509Extension, 'authorityKeyIdentifier', False, 'keyid:always,issuer:always', issuer=badObj) class PKeyTests(TestCase): """ Unit tests for :py:class:`OpenSSL.crypto.PKey`. """ def test_type(self): """ :py:class:`PKey` and :py:class:`PKeyType` refer to the same type object and can be used to create instances of that type. """ self.assertIdentical(PKey, PKeyType) self.assertConsistentType(PKey, 'PKey') def test_construction(self): """ :py:class:`PKey` takes no arguments and returns a new :py:class:`PKey` instance. """ self.assertRaises(TypeError, PKey, None) key = PKey() self.assertTrue( isinstance(key, PKeyType), "%r is of type %r, should be %r" % (key, type(key), PKeyType)) def test_pregeneration(self): """ :py:attr:`PKeyType.bits` and :py:attr:`PKeyType.type` return :py:data:`0` before the key is generated. :py:attr:`PKeyType.check` raises :py:exc:`TypeError` before the key is generated. """ key = PKey() self.assertEqual(key.type(), 0) self.assertEqual(key.bits(), 0) self.assertRaises(TypeError, key.check) def test_failedGeneration(self): """ :py:meth:`PKeyType.generate_key` takes two arguments, the first giving the key type as one of :py:data:`TYPE_RSA` or :py:data:`TYPE_DSA` and the second giving the number of bits to generate. If an invalid type is specified or generation fails, :py:exc:`Error` is raised. If an invalid number of bits is specified, :py:exc:`ValueError` or :py:exc:`Error` is raised. """ key = PKey() self.assertRaises(TypeError, key.generate_key) self.assertRaises(TypeError, key.generate_key, 1, 2, 3) self.assertRaises(TypeError, key.generate_key, "foo", "bar") self.assertRaises(Error, key.generate_key, -1, 0) self.assertRaises(ValueError, key.generate_key, TYPE_RSA, -1) self.assertRaises(ValueError, key.generate_key, TYPE_RSA, 0) # XXX RSA generation for small values of bits is fairly buggy in a wide # range of OpenSSL versions. I need to figure out what the safe lower # bound for a reasonable number of OpenSSL versions is and explicitly # check for that in the wrapper. The failure behavior is typically an # infinite loop inside OpenSSL. # self.assertRaises(Error, key.generate_key, TYPE_RSA, 2) # XXX DSA generation seems happy with any number of bits. The DSS # says bits must be between 512 and 1024 inclusive. OpenSSL's DSA # generator doesn't seem to care about the upper limit at all. For # the lower limit, it uses 512 if anything smaller is specified. # So, it doesn't seem possible to make generate_key fail for # TYPE_DSA with a bits argument which is at least an int. # self.assertRaises(Error, key.generate_key, TYPE_DSA, -7) def test_rsaGeneration(self): """ :py:meth:`PKeyType.generate_key` generates an RSA key when passed :py:data:`TYPE_RSA` as a type and a reasonable number of bits. """ bits = 128 key = PKey() key.generate_key(TYPE_RSA, bits) self.assertEqual(key.type(), TYPE_RSA) self.assertEqual(key.bits(), bits) self.assertTrue(key.check()) def test_dsaGeneration(self): """ :py:meth:`PKeyType.generate_key` generates a DSA key when passed :py:data:`TYPE_DSA` as a type and a reasonable number of bits. """ # 512 is a magic number. The DSS (Digital Signature Standard) # allows a minimum of 512 bits for DSA. DSA_generate_parameters # will silently promote any value below 512 to 512. bits = 512 key = PKey() key.generate_key(TYPE_DSA, bits) # self.assertEqual(key.type(), TYPE_DSA) # self.assertEqual(key.bits(), bits) # self.assertRaises(TypeError, key.check) def test_regeneration(self): """ :py:meth:`PKeyType.generate_key` can be called multiple times on the same key to generate new keys. """ key = PKey() for type, bits in [(TYPE_RSA, 512), (TYPE_DSA, 576)]: key.generate_key(type, bits) self.assertEqual(key.type(), type) self.assertEqual(key.bits(), bits) def test_inconsistentKey(self): """ :py:`PKeyType.check` returns :py:exc:`Error` if the key is not consistent. """ key = load_privatekey(FILETYPE_PEM, inconsistentPrivateKeyPEM) self.assertRaises(Error, key.check) def test_check_wrong_args(self): """ :py:meth:`PKeyType.check` raises :py:exc:`TypeError` if called with any arguments. """ self.assertRaises(TypeError, PKey().check, None) self.assertRaises(TypeError, PKey().check, object()) self.assertRaises(TypeError, PKey().check, 1) def test_check_public_key(self): """ :py:meth:`PKeyType.check` raises :py:exc:`TypeError` if only the public part of the key is available. """ # A trick to get a public-only key key = PKey() key.generate_key(TYPE_RSA, 512) cert = X509() cert.set_pubkey(key) pub = cert.get_pubkey() self.assertRaises(TypeError, pub.check) class X509NameTests(TestCase): """ Unit tests for :py:class:`OpenSSL.crypto.X509Name`. """ def _x509name(self, **attrs): # XXX There's no other way to get a new X509Name yet. name = X509().get_subject() attrs = list(attrs.items()) # Make the order stable - order matters! def key(attr): return attr[1] attrs.sort(key=key) for k, v in attrs: setattr(name, k, v) return name def test_type(self): """ The type of X509Name objects is :py:class:`X509NameType`. """ self.assertIdentical(X509Name, X509NameType) self.assertEqual(X509NameType.__name__, 'X509Name') self.assertTrue(isinstance(X509NameType, type)) name = self._x509name() self.assertTrue( isinstance(name, X509NameType), "%r is of type %r, should be %r" % ( name, type(name), X509NameType)) def test_onlyStringAttributes(self): """ Attempting to set a non-:py:data:`str` attribute name on an :py:class:`X509NameType` instance causes :py:exc:`TypeError` to be raised. """ name = self._x509name() # Beyond these cases, you may also think that unicode should be # rejected. Sorry, you're wrong. unicode is automatically converted to # str outside of the control of X509Name, so there's no way to reject # it. # Also, this used to test str subclasses, but that test is less relevant # now that the implementation is in Python instead of C. Also PyPy # automatically converts str subclasses to str when they are passed to # setattr, so we can't test it on PyPy. Apparently CPython does this # sometimes as well. self.assertRaises(TypeError, setattr, name, None, "hello") self.assertRaises(TypeError, setattr, name, 30, "hello") def test_setInvalidAttribute(self): """ Attempting to set any attribute name on an :py:class:`X509NameType` instance for which no corresponding NID is defined causes :py:exc:`AttributeError` to be raised. """ name = self._x509name() self.assertRaises(AttributeError, setattr, name, "no such thing", None) def test_attributes(self): """ :py:class:`X509NameType` instances have attributes for each standard (?) X509Name field. """ name = self._x509name() name.commonName = "foo" self.assertEqual(name.commonName, "foo") self.assertEqual(name.CN, "foo") name.CN = "baz" self.assertEqual(name.commonName, "baz") self.assertEqual(name.CN, "baz") name.commonName = "bar" self.assertEqual(name.commonName, "bar") self.assertEqual(name.CN, "bar") name.CN = "quux" self.assertEqual(name.commonName, "quux") self.assertEqual(name.CN, "quux") def test_copy(self): """ :py:class:`X509Name` creates a new :py:class:`X509NameType` instance with all the same attributes as an existing :py:class:`X509NameType` instance when called with one. """ name = self._x509name(commonName="foo", emailAddress="bar@example.com") copy = X509Name(name) self.assertEqual(copy.commonName, "foo") self.assertEqual(copy.emailAddress, "bar@example.com") # Mutate the copy and ensure the original is unmodified. copy.commonName = "baz" self.assertEqual(name.commonName, "foo") # Mutate the original and ensure the copy is unmodified. name.emailAddress = "quux@example.com" self.assertEqual(copy.emailAddress, "bar@example.com") def test_repr(self): """ :py:func:`repr` passed an :py:class:`X509NameType` instance should return a string containing a description of the type and the NIDs which have been set on it. """ name = self._x509name(commonName="foo", emailAddress="bar") self.assertEqual( repr(name), "") def test_comparison(self): """ :py:class:`X509NameType` instances should compare based on their NIDs. """ def _equality(a, b, assertTrue, assertFalse): assertTrue(a == b, "(%r == %r) --> False" % (a, b)) assertFalse(a != b) assertTrue(b == a) assertFalse(b != a) def assertEqual(a, b): _equality(a, b, self.assertTrue, self.assertFalse) # Instances compare equal to themselves. name = self._x509name() assertEqual(name, name) # Empty instances should compare equal to each other. assertEqual(self._x509name(), self._x509name()) # Instances with equal NIDs should compare equal to each other. assertEqual(self._x509name(commonName="foo"), self._x509name(commonName="foo")) # Instance with equal NIDs set using different aliases should compare # equal to each other. assertEqual(self._x509name(commonName="foo"), self._x509name(CN="foo")) # Instances with more than one NID with the same values should compare # equal to each other. assertEqual(self._x509name(CN="foo", organizationalUnitName="bar"), self._x509name(commonName="foo", OU="bar")) def assertNotEqual(a, b): _equality(a, b, self.assertFalse, self.assertTrue) # Instances with different values for the same NID should not compare # equal to each other. assertNotEqual(self._x509name(CN="foo"), self._x509name(CN="bar")) # Instances with different NIDs should not compare equal to each other. assertNotEqual(self._x509name(CN="foo"), self._x509name(OU="foo")) def _inequality(a, b, assertTrue, assertFalse): assertTrue(a < b) assertTrue(a <= b) assertTrue(b > a) assertTrue(b >= a) assertFalse(a > b) assertFalse(a >= b) assertFalse(b < a) assertFalse(b <= a) def assertLessThan(a, b): _inequality(a, b, self.assertTrue, self.assertFalse) # An X509Name with a NID with a value which sorts less than the value # of the same NID on another X509Name compares less than the other # X509Name. assertLessThan(self._x509name(CN="abc"), self._x509name(CN="def")) def assertGreaterThan(a, b): _inequality(a, b, self.assertFalse, self.assertTrue) # An X509Name with a NID with a value which sorts greater than the # value of the same NID on another X509Name compares greater than the # other X509Name. assertGreaterThan(self._x509name(CN="def"), self._x509name(CN="abc")) def test_hash(self): """ :py:meth:`X509Name.hash` returns an integer hash based on the value of the name. """ a = self._x509name(CN="foo") b = self._x509name(CN="foo") self.assertEqual(a.hash(), b.hash()) a.CN = "bar" self.assertNotEqual(a.hash(), b.hash()) def test_der(self): """ :py:meth:`X509Name.der` returns the DER encoded form of the name. """ a = self._x509name(CN="foo", C="US") self.assertEqual( a.der(), b('0\x1b1\x0b0\t\x06\x03U\x04\x06\x13\x02US' '1\x0c0\n\x06\x03U\x04\x03\x13\x03foo')) def test_get_components(self): """ :py:meth:`X509Name.get_components` returns a :py:data:`list` of two-tuples of :py:data:`str` giving the NIDs and associated values which make up the name. """ a = self._x509name() self.assertEqual(a.get_components(), []) a.CN = "foo" self.assertEqual(a.get_components(), [(b("CN"), b("foo"))]) a.organizationalUnitName = "bar" self.assertEqual( a.get_components(), [(b("CN"), b("foo")), (b("OU"), b("bar"))]) def test_load_nul_byte_attribute(self): """ An :py:class:`OpenSSL.crypto.X509Name` from an :py:class:`OpenSSL.crypto.X509` instance loaded from a file can have a NUL byte in the value of one of its attributes. """ cert = load_certificate(FILETYPE_PEM, nulbyteSubjectAltNamePEM) subject = cert.get_subject() self.assertEqual( "null.python.org\x00example.org", subject.commonName) def test_setAttributeFailure(self): """ If the value of an attribute cannot be set for some reason then :py:class:`OpenSSL.crypto.Error` is raised. """ name = self._x509name() # This value is too long self.assertRaises(Error, setattr, name, "O", b"x" * 512) class _PKeyInteractionTestsMixin: """ Tests which involve another thing and a PKey. """ def signable(self): """ Return something with a :py:meth:`set_pubkey`, :py:meth:`set_pubkey`, and :py:meth:`sign` method. """ raise NotImplementedError() def test_signWithUngenerated(self): """ :py:meth:`X509Req.sign` raises :py:exc:`ValueError` when pass a :py:class:`PKey` with no parts. """ request = self.signable() key = PKey() self.assertRaises(ValueError, request.sign, key, GOOD_DIGEST) def test_signWithPublicKey(self): """ :py:meth:`X509Req.sign` raises :py:exc:`ValueError` when pass a :py:class:`PKey` with no private part as the signing key. """ request = self.signable() key = PKey() key.generate_key(TYPE_RSA, 512) request.set_pubkey(key) pub = request.get_pubkey() self.assertRaises(ValueError, request.sign, pub, GOOD_DIGEST) def test_signWithUnknownDigest(self): """ :py:meth:`X509Req.sign` raises :py:exc:`ValueError` when passed a digest name which is not known. """ request = self.signable() key = PKey() key.generate_key(TYPE_RSA, 512) self.assertRaises(ValueError, request.sign, key, BAD_DIGEST) def test_sign(self): """ :py:meth:`X509Req.sign` succeeds when passed a private key object and a valid digest function. :py:meth:`X509Req.verify` can be used to check the signature. """ request = self.signable() key = PKey() key.generate_key(TYPE_RSA, 512) request.set_pubkey(key) request.sign(key, GOOD_DIGEST) # If the type has a verify method, cover that too. if getattr(request, 'verify', None) is not None: pub = request.get_pubkey() self.assertTrue(request.verify(pub)) # Make another key that won't verify. key = PKey() key.generate_key(TYPE_RSA, 512) self.assertRaises(Error, request.verify, key) class X509ReqTests(TestCase, _PKeyInteractionTestsMixin): """ Tests for :py:class:`OpenSSL.crypto.X509Req`. """ def signable(self): """ Create and return a new :py:class:`X509Req`. """ return X509Req() def test_type(self): """ :py:obj:`X509Req` and :py:obj:`X509ReqType` refer to the same type object and can be used to create instances of that type. """ self.assertIdentical(X509Req, X509ReqType) self.assertConsistentType(X509Req, 'X509Req') def test_construction(self): """ :py:obj:`X509Req` takes no arguments and returns an :py:obj:`X509ReqType` instance. """ request = X509Req() self.assertTrue( isinstance(request, X509ReqType), "%r is of type %r, should be %r" % (request, type(request), X509ReqType)) def test_version(self): """ :py:obj:`X509ReqType.set_version` sets the X.509 version of the certificate request. :py:obj:`X509ReqType.get_version` returns the X.509 version of the certificate request. The initial value of the version is 0. """ request = X509Req() self.assertEqual(request.get_version(), 0) request.set_version(1) self.assertEqual(request.get_version(), 1) request.set_version(3) self.assertEqual(request.get_version(), 3) def test_version_wrong_args(self): """ :py:obj:`X509ReqType.set_version` raises :py:obj:`TypeError` if called with the wrong number of arguments or with a non-:py:obj:`int` argument. :py:obj:`X509ReqType.get_version` raises :py:obj:`TypeError` if called with any arguments. """ request = X509Req() self.assertRaises(TypeError, request.set_version) self.assertRaises(TypeError, request.set_version, "foo") self.assertRaises(TypeError, request.set_version, 1, 2) self.assertRaises(TypeError, request.get_version, None) def test_get_subject(self): """ :py:obj:`X509ReqType.get_subject` returns an :py:obj:`X509Name` for the subject of the request and which is valid even after the request object is otherwise dead. """ request = X509Req() subject = request.get_subject() self.assertTrue( isinstance(subject, X509NameType), "%r is of type %r, should be %r" % (subject, type(subject), X509NameType)) subject.commonName = "foo" self.assertEqual(request.get_subject().commonName, "foo") del request subject.commonName = "bar" self.assertEqual(subject.commonName, "bar") def test_get_subject_wrong_args(self): """ :py:obj:`X509ReqType.get_subject` raises :py:obj:`TypeError` if called with any arguments. """ request = X509Req() self.assertRaises(TypeError, request.get_subject, None) def test_add_extensions(self): """ :py:obj:`X509Req.add_extensions` accepts a :py:obj:`list` of :py:obj:`X509Extension` instances and adds them to the X509 request. """ request = X509Req() request.add_extensions([ X509Extension(b('basicConstraints'), True, b('CA:false'))]) exts = request.get_extensions() self.assertEqual(len(exts), 1) self.assertEqual(exts[0].get_short_name(), b('basicConstraints')) self.assertEqual(exts[0].get_critical(), 1) self.assertEqual(exts[0].get_data(), b('0\x00')) def test_get_extensions(self): """ :py:obj:`X509Req.get_extensions` returns a :py:obj:`list` of extensions added to this X509 request. """ request = X509Req() exts = request.get_extensions() self.assertEqual(exts, []) request.add_extensions([ X509Extension(b('basicConstraints'), True, b('CA:true')), X509Extension(b('keyUsage'), False, b('digitalSignature'))]) exts = request.get_extensions() self.assertEqual(len(exts), 2) self.assertEqual(exts[0].get_short_name(), b('basicConstraints')) self.assertEqual(exts[0].get_critical(), 1) self.assertEqual(exts[0].get_data(), b('0\x03\x01\x01\xff')) self.assertEqual(exts[1].get_short_name(), b('keyUsage')) self.assertEqual(exts[1].get_critical(), 0) self.assertEqual(exts[1].get_data(), b('\x03\x02\x07\x80')) def test_add_extensions_wrong_args(self): """ :py:obj:`X509Req.add_extensions` raises :py:obj:`TypeError` if called with the wrong number of arguments or with a non-:py:obj:`list`. Or it raises :py:obj:`ValueError` if called with a :py:obj:`list` containing objects other than :py:obj:`X509Extension` instances. """ request = X509Req() self.assertRaises(TypeError, request.add_extensions) self.assertRaises(TypeError, request.add_extensions, object()) self.assertRaises(ValueError, request.add_extensions, [object()]) self.assertRaises(TypeError, request.add_extensions, [], None) def test_verify_wrong_args(self): """ :py:obj:`X509Req.verify` raises :py:obj:`TypeError` if called with zero arguments or more than one argument or if passed anything other than a :py:obj:`PKey` instance as its single argument. """ request = X509Req() self.assertRaises(TypeError, request.verify) self.assertRaises(TypeError, request.verify, object()) self.assertRaises(TypeError, request.verify, PKey(), object()) def test_verify_uninitialized_key(self): """ :py:obj:`X509Req.verify` raises :py:obj:`OpenSSL.crypto.Error` if called with a :py:obj:`OpenSSL.crypto.PKey` which contains no key data. """ request = X509Req() pkey = PKey() self.assertRaises(Error, request.verify, pkey) def test_verify_wrong_key(self): """ :py:obj:`X509Req.verify` raises :py:obj:`OpenSSL.crypto.Error` if called with a :py:obj:`OpenSSL.crypto.PKey` which does not represent the public part of the key which signed the request. """ request = X509Req() pkey = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) request.sign(pkey, GOOD_DIGEST) another_pkey = load_privatekey(FILETYPE_PEM, client_key_pem) self.assertRaises(Error, request.verify, another_pkey) def test_verify_success(self): """ :py:obj:`X509Req.verify` returns :py:obj:`True` if called with a :py:obj:`OpenSSL.crypto.PKey` which represents the public part of the key which signed the request. """ request = X509Req() pkey = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) request.sign(pkey, GOOD_DIGEST) self.assertEqual(True, request.verify(pkey)) class X509Tests(TestCase, _PKeyInteractionTestsMixin): """ Tests for :py:obj:`OpenSSL.crypto.X509`. """ pemData = cleartextCertificatePEM + cleartextPrivateKeyPEM extpem = """ -----BEGIN CERTIFICATE----- MIIC3jCCAkegAwIBAgIJAJHFjlcCgnQzMA0GCSqGSIb3DQEBBQUAMEcxCzAJBgNV BAYTAlNFMRUwEwYDVQQIEwxXZXN0ZXJib3R0b20xEjAQBgNVBAoTCUNhdGFsb2dp eDENMAsGA1UEAxMEUm9vdDAeFw0wODA0MjIxNDQ1MzhaFw0wOTA0MjIxNDQ1Mzha MFQxCzAJBgNVBAYTAlNFMQswCQYDVQQIEwJXQjEUMBIGA1UEChMLT3Blbk1ldGFk aXIxIjAgBgNVBAMTGW5vZGUxLm9tMi5vcGVubWV0YWRpci5vcmcwgZ8wDQYJKoZI hvcNAQEBBQADgY0AMIGJAoGBAPIcQMrwbk2nESF/0JKibj9i1x95XYAOwP+LarwT Op4EQbdlI9SY+uqYqlERhF19w7CS+S6oyqx0DRZSk4Y9dZ9j9/xgm2u/f136YS1u zgYFPvfUs6PqYLPSM8Bw+SjJ+7+2+TN+Tkiof9WP1cMjodQwOmdsiRbR0/J7+b1B hec1AgMBAAGjgcQwgcEwCQYDVR0TBAIwADAsBglghkgBhvhCAQ0EHxYdT3BlblNT TCBHZW5lcmF0ZWQgQ2VydGlmaWNhdGUwHQYDVR0OBBYEFIdHsBcMVVMbAO7j6NCj 03HgLnHaMB8GA1UdIwQYMBaAFL2h9Bf9Mre4vTdOiHTGAt7BRY/8MEYGA1UdEQQ/ MD2CDSouZXhhbXBsZS5vcmeCESoub20yLmV4bWFwbGUuY29thwSC7wgKgRNvbTJA b3Blbm1ldGFkaXIub3JnMA0GCSqGSIb3DQEBBQUAA4GBALd7WdXkp2KvZ7/PuWZA MPlIxyjS+Ly11+BNE0xGQRp9Wz+2lABtpgNqssvU156+HkKd02rGheb2tj7MX9hG uZzbwDAZzJPjzDQDD7d3cWsrVcfIdqVU7epHqIadnOF+X0ghJ39pAm6VVadnSXCt WpOdIpB8KksUTCzV591Nr1wd -----END CERTIFICATE----- """ def signable(self): """ Create and return a new :py:obj:`X509`. """ return X509() def test_type(self): """ :py:obj:`X509` and :py:obj:`X509Type` refer to the same type object and can be used to create instances of that type. """ self.assertIdentical(X509, X509Type) self.assertConsistentType(X509, 'X509') def test_construction(self): """ :py:obj:`X509` takes no arguments and returns an instance of :py:obj:`X509Type`. """ certificate = X509() self.assertTrue( isinstance(certificate, X509Type), "%r is of type %r, should be %r" % (certificate, type(certificate), X509Type)) self.assertEqual(type(X509Type).__name__, 'type') self.assertEqual(type(certificate).__name__, 'X509') self.assertEqual(type(certificate), X509Type) self.assertEqual(type(certificate), X509) def test_get_version_wrong_args(self): """ :py:obj:`X509.get_version` raises :py:obj:`TypeError` if invoked with any arguments. """ cert = X509() self.assertRaises(TypeError, cert.get_version, None) def test_set_version_wrong_args(self): """ :py:obj:`X509.set_version` raises :py:obj:`TypeError` if invoked with the wrong number of arguments or an argument not of type :py:obj:`int`. """ cert = X509() self.assertRaises(TypeError, cert.set_version) self.assertRaises(TypeError, cert.set_version, None) self.assertRaises(TypeError, cert.set_version, 1, None) def test_version(self): """ :py:obj:`X509.set_version` sets the certificate version number. :py:obj:`X509.get_version` retrieves it. """ cert = X509() cert.set_version(1234) self.assertEquals(cert.get_version(), 1234) def test_get_serial_number_wrong_args(self): """ :py:obj:`X509.get_serial_number` raises :py:obj:`TypeError` if invoked with any arguments. """ cert = X509() self.assertRaises(TypeError, cert.get_serial_number, None) def test_serial_number(self): """ The serial number of an :py:obj:`X509Type` can be retrieved and modified with :py:obj:`X509Type.get_serial_number` and :py:obj:`X509Type.set_serial_number`. """ certificate = X509() self.assertRaises(TypeError, certificate.set_serial_number) self.assertRaises(TypeError, certificate.set_serial_number, 1, 2) self.assertRaises(TypeError, certificate.set_serial_number, "1") self.assertRaises(TypeError, certificate.set_serial_number, 5.5) self.assertEqual(certificate.get_serial_number(), 0) certificate.set_serial_number(1) self.assertEqual(certificate.get_serial_number(), 1) certificate.set_serial_number(2 ** 32 + 1) self.assertEqual(certificate.get_serial_number(), 2 ** 32 + 1) certificate.set_serial_number(2 ** 64 + 1) self.assertEqual(certificate.get_serial_number(), 2 ** 64 + 1) certificate.set_serial_number(2 ** 128 + 1) self.assertEqual(certificate.get_serial_number(), 2 ** 128 + 1) def _setBoundTest(self, which): """ :py:obj:`X509Type.set_notBefore` takes a string in the format of an ASN1 GENERALIZEDTIME and sets the beginning of the certificate's validity period to it. """ certificate = X509() set = getattr(certificate, 'set_not' + which) get = getattr(certificate, 'get_not' + which) # Starts with no value. self.assertEqual(get(), None) # GMT (Or is it UTC?) -exarkun when = b("20040203040506Z") set(when) self.assertEqual(get(), when) # A plus two hours and thirty minutes offset when = b("20040203040506+0530") set(when) self.assertEqual(get(), when) # A minus one hour fifteen minutes offset when = b("20040203040506-0115") set(when) self.assertEqual(get(), when) # An invalid string results in a ValueError self.assertRaises(ValueError, set, b("foo bar")) # The wrong number of arguments results in a TypeError. self.assertRaises(TypeError, set) self.assertRaises(TypeError, set, b("20040203040506Z"), b("20040203040506Z")) self.assertRaises(TypeError, get, b("foo bar")) # XXX ASN1_TIME (not GENERALIZEDTIME) def test_set_notBefore(self): """ :py:obj:`X509Type.set_notBefore` takes a string in the format of an ASN1 GENERALIZEDTIME and sets the beginning of the certificate's validity period to it. """ self._setBoundTest("Before") def test_set_notAfter(self): """ :py:obj:`X509Type.set_notAfter` takes a string in the format of an ASN1 GENERALIZEDTIME and sets the end of the certificate's validity period to it. """ self._setBoundTest("After") def test_get_notBefore(self): """ :py:obj:`X509Type.get_notBefore` returns a string in the format of an ASN1 GENERALIZEDTIME even for certificates which store it as UTCTIME internally. """ cert = load_certificate(FILETYPE_PEM, self.pemData) self.assertEqual(cert.get_notBefore(), b("20090325123658Z")) def test_get_notAfter(self): """ :py:obj:`X509Type.get_notAfter` returns a string in the format of an ASN1 GENERALIZEDTIME even for certificates which store it as UTCTIME internally. """ cert = load_certificate(FILETYPE_PEM, self.pemData) self.assertEqual(cert.get_notAfter(), b("20170611123658Z")) def test_gmtime_adj_notBefore_wrong_args(self): """ :py:obj:`X509Type.gmtime_adj_notBefore` raises :py:obj:`TypeError` if called with the wrong number of arguments or a non-:py:obj:`int` argument. """ cert = X509() self.assertRaises(TypeError, cert.gmtime_adj_notBefore) self.assertRaises(TypeError, cert.gmtime_adj_notBefore, None) self.assertRaises(TypeError, cert.gmtime_adj_notBefore, 123, None) def test_gmtime_adj_notBefore(self): """ :py:obj:`X509Type.gmtime_adj_notBefore` changes the not-before timestamp to be the current time plus the number of seconds passed in. """ cert = load_certificate(FILETYPE_PEM, self.pemData) now = datetime.utcnow() + timedelta(seconds=100) cert.gmtime_adj_notBefore(100) self.assertEqual(cert.get_notBefore(), b(now.strftime("%Y%m%d%H%M%SZ"))) def test_gmtime_adj_notAfter_wrong_args(self): """ :py:obj:`X509Type.gmtime_adj_notAfter` raises :py:obj:`TypeError` if called with the wrong number of arguments or a non-:py:obj:`int` argument. """ cert = X509() self.assertRaises(TypeError, cert.gmtime_adj_notAfter) self.assertRaises(TypeError, cert.gmtime_adj_notAfter, None) self.assertRaises(TypeError, cert.gmtime_adj_notAfter, 123, None) def test_gmtime_adj_notAfter(self): """ :py:obj:`X509Type.gmtime_adj_notAfter` changes the not-after timestamp to be the current time plus the number of seconds passed in. """ cert = load_certificate(FILETYPE_PEM, self.pemData) now = datetime.utcnow() + timedelta(seconds=100) cert.gmtime_adj_notAfter(100) self.assertEqual(cert.get_notAfter(), b(now.strftime("%Y%m%d%H%M%SZ"))) def test_has_expired_wrong_args(self): """ :py:obj:`X509Type.has_expired` raises :py:obj:`TypeError` if called with any arguments. """ cert = X509() self.assertRaises(TypeError, cert.has_expired, None) def test_has_expired(self): """ :py:obj:`X509Type.has_expired` returns :py:obj:`True` if the certificate's not-after time is in the past. """ cert = X509() cert.gmtime_adj_notAfter(-1) self.assertTrue(cert.has_expired()) def test_has_not_expired(self): """ :py:obj:`X509Type.has_expired` returns :py:obj:`False` if the certificate's not-after time is in the future. """ cert = X509() cert.gmtime_adj_notAfter(2) self.assertFalse(cert.has_expired()) def test_digest(self): """ :py:obj:`X509.digest` returns a string giving ":"-separated hex-encoded words of the digest of the certificate. """ cert = X509() self.assertEqual( # This is MD5 instead of GOOD_DIGEST because the digest algorithm # actually matters to the assertion (ie, another arbitrary, good # digest will not product the same digest). cert.digest("MD5"), b("A8:EB:07:F8:53:25:0A:F2:56:05:C5:A5:C4:C4:C7:15")) def _extcert(self, pkey, extensions): cert = X509() cert.set_pubkey(pkey) cert.get_subject().commonName = "Unit Tests" cert.get_issuer().commonName = "Unit Tests" when = b(datetime.now().strftime("%Y%m%d%H%M%SZ")) cert.set_notBefore(when) cert.set_notAfter(when) cert.add_extensions(extensions) return load_certificate( FILETYPE_PEM, dump_certificate(FILETYPE_PEM, cert)) def test_extension_count(self): """ :py:obj:`X509.get_extension_count` returns the number of extensions that are present in the certificate. """ pkey = load_privatekey(FILETYPE_PEM, client_key_pem) ca = X509Extension(b('basicConstraints'), True, b('CA:FALSE')) key = X509Extension(b('keyUsage'), True, b('digitalSignature')) subjectAltName = X509Extension( b('subjectAltName'), True, b('DNS:example.com')) # Try a certificate with no extensions at all. c = self._extcert(pkey, []) self.assertEqual(c.get_extension_count(), 0) # And a certificate with one c = self._extcert(pkey, [ca]) self.assertEqual(c.get_extension_count(), 1) # And a certificate with several c = self._extcert(pkey, [ca, key, subjectAltName]) self.assertEqual(c.get_extension_count(), 3) def test_get_extension(self): """ :py:obj:`X509.get_extension` takes an integer and returns an :py:obj:`X509Extension` corresponding to the extension at that index. """ pkey = load_privatekey(FILETYPE_PEM, client_key_pem) ca = X509Extension(b('basicConstraints'), True, b('CA:FALSE')) key = X509Extension(b('keyUsage'), True, b('digitalSignature')) subjectAltName = X509Extension( b('subjectAltName'), False, b('DNS:example.com')) cert = self._extcert(pkey, [ca, key, subjectAltName]) ext = cert.get_extension(0) self.assertTrue(isinstance(ext, X509Extension)) self.assertTrue(ext.get_critical()) self.assertEqual(ext.get_short_name(), b('basicConstraints')) ext = cert.get_extension(1) self.assertTrue(isinstance(ext, X509Extension)) self.assertTrue(ext.get_critical()) self.assertEqual(ext.get_short_name(), b('keyUsage')) ext = cert.get_extension(2) self.assertTrue(isinstance(ext, X509Extension)) self.assertFalse(ext.get_critical()) self.assertEqual(ext.get_short_name(), b('subjectAltName')) self.assertRaises(IndexError, cert.get_extension, -1) self.assertRaises(IndexError, cert.get_extension, 4) self.assertRaises(TypeError, cert.get_extension, "hello") def test_nullbyte_subjectAltName(self): """ The fields of a `subjectAltName` extension on an X509 may contain NUL bytes and this value is reflected in the string representation of the extension object. """ cert = load_certificate(FILETYPE_PEM, nulbyteSubjectAltNamePEM) ext = cert.get_extension(3) self.assertEqual(ext.get_short_name(), b('subjectAltName')) self.assertEqual( b("DNS:altnull.python.org\x00example.com, " "email:null@python.org\x00user@example.org, " "URI:http://null.python.org\x00http://example.org, " "IP Address:192.0.2.1, IP Address:2001:DB8:0:0:0:0:0:1\n"), b(str(ext))) def test_invalid_digest_algorithm(self): """ :py:obj:`X509.digest` raises :py:obj:`ValueError` if called with an unrecognized hash algorithm. """ cert = X509() self.assertRaises(ValueError, cert.digest, BAD_DIGEST) def test_get_subject_wrong_args(self): """ :py:obj:`X509.get_subject` raises :py:obj:`TypeError` if called with any arguments. """ cert = X509() self.assertRaises(TypeError, cert.get_subject, None) def test_get_subject(self): """ :py:obj:`X509.get_subject` returns an :py:obj:`X509Name` instance. """ cert = load_certificate(FILETYPE_PEM, self.pemData) subj = cert.get_subject() self.assertTrue(isinstance(subj, X509Name)) self.assertEquals( subj.get_components(), [(b('C'), b('US')), (b('ST'), b('IL')), (b('L'), b('Chicago')), (b('O'), b('Testing')), (b('CN'), b('Testing Root CA'))]) def test_set_subject_wrong_args(self): """ :py:obj:`X509.set_subject` raises a :py:obj:`TypeError` if called with the wrong number of arguments or an argument not of type :py:obj:`X509Name`. """ cert = X509() self.assertRaises(TypeError, cert.set_subject) self.assertRaises(TypeError, cert.set_subject, None) self.assertRaises(TypeError, cert.set_subject, cert.get_subject(), None) def test_set_subject(self): """ :py:obj:`X509.set_subject` changes the subject of the certificate to the one passed in. """ cert = X509() name = cert.get_subject() name.C = 'AU' name.O = 'Unit Tests' cert.set_subject(name) self.assertEquals( cert.get_subject().get_components(), [(b('C'), b('AU')), (b('O'), b('Unit Tests'))]) def test_get_issuer_wrong_args(self): """ :py:obj:`X509.get_issuer` raises :py:obj:`TypeError` if called with any arguments. """ cert = X509() self.assertRaises(TypeError, cert.get_issuer, None) def test_get_issuer(self): """ :py:obj:`X509.get_issuer` returns an :py:obj:`X509Name` instance. """ cert = load_certificate(FILETYPE_PEM, self.pemData) subj = cert.get_issuer() self.assertTrue(isinstance(subj, X509Name)) comp = subj.get_components() self.assertEquals( comp, [(b('C'), b('US')), (b('ST'), b('IL')), (b('L'), b('Chicago')), (b('O'), b('Testing')), (b('CN'), b('Testing Root CA'))]) def test_set_issuer_wrong_args(self): """ :py:obj:`X509.set_issuer` raises a :py:obj:`TypeError` if called with the wrong number of arguments or an argument not of type :py:obj:`X509Name`. """ cert = X509() self.assertRaises(TypeError, cert.set_issuer) self.assertRaises(TypeError, cert.set_issuer, None) self.assertRaises(TypeError, cert.set_issuer, cert.get_issuer(), None) def test_set_issuer(self): """ :py:obj:`X509.set_issuer` changes the issuer of the certificate to the one passed in. """ cert = X509() name = cert.get_issuer() name.C = 'AU' name.O = 'Unit Tests' cert.set_issuer(name) self.assertEquals( cert.get_issuer().get_components(), [(b('C'), b('AU')), (b('O'), b('Unit Tests'))]) def test_get_pubkey_uninitialized(self): """ When called on a certificate with no public key, :py:obj:`X509.get_pubkey` raises :py:obj:`OpenSSL.crypto.Error`. """ cert = X509() self.assertRaises(Error, cert.get_pubkey) def test_subject_name_hash_wrong_args(self): """ :py:obj:`X509.subject_name_hash` raises :py:obj:`TypeError` if called with any arguments. """ cert = X509() self.assertRaises(TypeError, cert.subject_name_hash, None) def test_subject_name_hash(self): """ :py:obj:`X509.subject_name_hash` returns the hash of the certificate's subject name. """ cert = load_certificate(FILETYPE_PEM, self.pemData) self.assertIn( cert.subject_name_hash(), [3350047874, # OpenSSL 0.9.8, MD5 3278919224, # OpenSSL 1.0.0, SHA1 ]) def test_get_signature_algorithm(self): """ :py:obj:`X509Type.get_signature_algorithm` returns a string which means the algorithm used to sign the certificate. """ cert = load_certificate(FILETYPE_PEM, self.pemData) self.assertEqual( b("sha1WithRSAEncryption"), cert.get_signature_algorithm()) def test_get_undefined_signature_algorithm(self): """ :py:obj:`X509Type.get_signature_algorithm` raises :py:obj:`ValueError` if the signature algorithm is undefined or unknown. """ # This certificate has been modified to indicate a bogus OID in the # signature algorithm field so that OpenSSL does not recognize it. certPEM = b("""\ -----BEGIN CERTIFICATE----- MIIC/zCCAmigAwIBAgIBATAGBgJ8BQUAMHsxCzAJBgNVBAYTAlNHMREwDwYDVQQK EwhNMkNyeXB0bzEUMBIGA1UECxMLTTJDcnlwdG8gQ0ExJDAiBgNVBAMTG00yQ3J5 cHRvIENlcnRpZmljYXRlIE1hc3RlcjEdMBsGCSqGSIb3DQEJARYObmdwc0Bwb3N0 MS5jb20wHhcNMDAwOTEwMDk1MTMwWhcNMDIwOTEwMDk1MTMwWjBTMQswCQYDVQQG EwJTRzERMA8GA1UEChMITTJDcnlwdG8xEjAQBgNVBAMTCWxvY2FsaG9zdDEdMBsG CSqGSIb3DQEJARYObmdwc0Bwb3N0MS5jb20wXDANBgkqhkiG9w0BAQEFAANLADBI AkEArL57d26W9fNXvOhNlZzlPOACmvwOZ5AdNgLzJ1/MfsQQJ7hHVeHmTAjM664V +fXvwUGJLziCeBo1ysWLRnl8CQIDAQABo4IBBDCCAQAwCQYDVR0TBAIwADAsBglg hkgBhvhCAQ0EHxYdT3BlblNTTCBHZW5lcmF0ZWQgQ2VydGlmaWNhdGUwHQYDVR0O BBYEFM+EgpK+eyZiwFU1aOPSbczbPSpVMIGlBgNVHSMEgZ0wgZqAFPuHI2nrnDqT FeXFvylRT/7tKDgBoX+kfTB7MQswCQYDVQQGEwJTRzERMA8GA1UEChMITTJDcnlw dG8xFDASBgNVBAsTC00yQ3J5cHRvIENBMSQwIgYDVQQDExtNMkNyeXB0byBDZXJ0 aWZpY2F0ZSBNYXN0ZXIxHTAbBgkqhkiG9w0BCQEWDm5ncHNAcG9zdDEuY29tggEA MA0GCSqGSIb3DQEBBAUAA4GBADv8KpPo+gfJxN2ERK1Y1l17sz/ZhzoGgm5XCdbx jEY7xKfpQngV599k1xhl11IMqizDwu0855agrckg2MCTmOI9DZzDD77tAYb+Dk0O PEVk0Mk/V0aIsDE9bolfCi/i/QWZ3N8s5nTWMNyBBBmoSliWCm4jkkRZRD0ejgTN tgI5 -----END CERTIFICATE----- """) cert = load_certificate(FILETYPE_PEM, certPEM) self.assertRaises(ValueError, cert.get_signature_algorithm) class X509StoreTests(TestCase): """ Test for :py:obj:`OpenSSL.crypto.X509Store`. """ def test_type(self): """ :py:obj:`X509StoreType` is a type object. """ self.assertIdentical(X509Store, X509StoreType) self.assertConsistentType(X509Store, 'X509Store') def test_add_cert_wrong_args(self): store = X509Store() self.assertRaises(TypeError, store.add_cert) self.assertRaises(TypeError, store.add_cert, object()) self.assertRaises(TypeError, store.add_cert, X509(), object()) def test_add_cert(self): """ :py:obj:`X509Store.add_cert` adds a :py:obj:`X509` instance to the certificate store. """ cert = load_certificate(FILETYPE_PEM, cleartextCertificatePEM) store = X509Store() store.add_cert(cert) def test_add_cert_rejects_duplicate(self): """ :py:obj:`X509Store.add_cert` raises :py:obj:`OpenSSL.crypto.Error` if an attempt is made to add the same certificate to the store more than once. """ cert = load_certificate(FILETYPE_PEM, cleartextCertificatePEM) store = X509Store() store.add_cert(cert) self.assertRaises(Error, store.add_cert, cert) class PKCS12Tests(TestCase): """ Test for :py:obj:`OpenSSL.crypto.PKCS12` and :py:obj:`OpenSSL.crypto.load_pkcs12`. """ pemData = cleartextCertificatePEM + cleartextPrivateKeyPEM def test_type(self): """ :py:obj:`PKCS12Type` is a type object. """ self.assertIdentical(PKCS12, PKCS12Type) self.assertConsistentType(PKCS12, 'PKCS12') def test_empty_construction(self): """ :py:obj:`PKCS12` returns a new instance of :py:obj:`PKCS12` with no certificate, private key, CA certificates, or friendly name. """ p12 = PKCS12() self.assertEqual(None, p12.get_certificate()) self.assertEqual(None, p12.get_privatekey()) self.assertEqual(None, p12.get_ca_certificates()) self.assertEqual(None, p12.get_friendlyname()) def test_type_errors(self): """ The :py:obj:`PKCS12` setter functions (:py:obj:`set_certificate`, :py:obj:`set_privatekey`, :py:obj:`set_ca_certificates`, and :py:obj:`set_friendlyname`) raise :py:obj:`TypeError` when passed objects of types other than those expected. """ p12 = PKCS12() self.assertRaises(TypeError, p12.set_certificate, 3) self.assertRaises(TypeError, p12.set_certificate, PKey()) self.assertRaises(TypeError, p12.set_certificate, X509) self.assertRaises(TypeError, p12.set_privatekey, 3) self.assertRaises(TypeError, p12.set_privatekey, 'legbone') self.assertRaises(TypeError, p12.set_privatekey, X509()) self.assertRaises(TypeError, p12.set_ca_certificates, 3) self.assertRaises(TypeError, p12.set_ca_certificates, X509()) self.assertRaises(TypeError, p12.set_ca_certificates, (3, 4)) self.assertRaises(TypeError, p12.set_ca_certificates, ( PKey(), )) self.assertRaises(TypeError, p12.set_friendlyname, 6) self.assertRaises(TypeError, p12.set_friendlyname, ('foo', 'bar')) def test_key_only(self): """ A :py:obj:`PKCS12` with only a private key can be exported using :py:obj:`PKCS12.export` and loaded again using :py:obj:`load_pkcs12`. """ passwd = b"blah" p12 = PKCS12() pkey = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) p12.set_privatekey(pkey) self.assertEqual(None, p12.get_certificate()) self.assertEqual(pkey, p12.get_privatekey()) try: dumped_p12 = p12.export(passphrase=passwd, iter=2, maciter=3) except Error: # Some versions of OpenSSL will throw an exception # for this nearly useless PKCS12 we tried to generate: # [('PKCS12 routines', 'PKCS12_create', 'invalid null argument')] return p12 = load_pkcs12(dumped_p12, passwd) self.assertEqual(None, p12.get_ca_certificates()) self.assertEqual(None, p12.get_certificate()) # OpenSSL fails to bring the key back to us. So sad. Perhaps in the # future this will be improved. self.assertTrue(isinstance(p12.get_privatekey(), (PKey, type(None)))) def test_cert_only(self): """ A :py:obj:`PKCS12` with only a certificate can be exported using :py:obj:`PKCS12.export` and loaded again using :py:obj:`load_pkcs12`. """ passwd = b"blah" p12 = PKCS12() cert = load_certificate(FILETYPE_PEM, cleartextCertificatePEM) p12.set_certificate(cert) self.assertEqual(cert, p12.get_certificate()) self.assertEqual(None, p12.get_privatekey()) try: dumped_p12 = p12.export(passphrase=passwd, iter=2, maciter=3) except Error: # Some versions of OpenSSL will throw an exception # for this nearly useless PKCS12 we tried to generate: # [('PKCS12 routines', 'PKCS12_create', 'invalid null argument')] return p12 = load_pkcs12(dumped_p12, passwd) self.assertEqual(None, p12.get_privatekey()) # OpenSSL fails to bring the cert back to us. Groany mcgroan. self.assertTrue(isinstance(p12.get_certificate(), (X509, type(None)))) # Oh ho. It puts the certificate into the ca certificates list, in # fact. Totally bogus, I would think. Nevertheless, let's exploit # that to check to see if it reconstructed the certificate we expected # it to. At some point, hopefully this will change so that # p12.get_certificate() is actually what returns the loaded # certificate. self.assertEqual( cleartextCertificatePEM, dump_certificate(FILETYPE_PEM, p12.get_ca_certificates()[0])) def gen_pkcs12(self, cert_pem=None, key_pem=None, ca_pem=None, friendly_name=None): """ Generate a PKCS12 object with components from PEM. Verify that the set functions return None. """ p12 = PKCS12() if cert_pem: ret = p12.set_certificate(load_certificate(FILETYPE_PEM, cert_pem)) self.assertEqual(ret, None) if key_pem: ret = p12.set_privatekey(load_privatekey(FILETYPE_PEM, key_pem)) self.assertEqual(ret, None) if ca_pem: ret = p12.set_ca_certificates((load_certificate(FILETYPE_PEM, ca_pem),)) self.assertEqual(ret, None) if friendly_name: ret = p12.set_friendlyname(friendly_name) self.assertEqual(ret, None) return p12 def check_recovery(self, p12_str, key=None, cert=None, ca=None, passwd=b"", extra=()): """ Use openssl program to confirm three components are recoverable from a PKCS12 string. """ if key: recovered_key = _runopenssl( p12_str, b"pkcs12", b"-nocerts", b"-nodes", b"-passin", b"pass:" + passwd, *extra) self.assertEqual(recovered_key[-len(key):], key) if cert: recovered_cert = _runopenssl( p12_str, b"pkcs12", b"-clcerts", b"-nodes", b"-passin", b"pass:" + passwd, b"-nokeys", *extra) self.assertEqual(recovered_cert[-len(cert):], cert) if ca: recovered_cert = _runopenssl( p12_str, b"pkcs12", b"-cacerts", b"-nodes", b"-passin", b"pass:" + passwd, b"-nokeys", *extra) self.assertEqual(recovered_cert[-len(ca):], ca) def verify_pkcs12_container(self, p12): """ Verify that the PKCS#12 container contains the correct client certificate and private key. :param p12: The PKCS12 instance to verify. :type p12: :py:class:`PKCS12` """ cert_pem = dump_certificate(FILETYPE_PEM, p12.get_certificate()) key_pem = dump_privatekey(FILETYPE_PEM, p12.get_privatekey()) self.assertEqual( (client_cert_pem, client_key_pem, None), (cert_pem, key_pem, p12.get_ca_certificates())) def test_load_pkcs12(self): """ A PKCS12 string generated using the openssl command line can be loaded with :py:obj:`load_pkcs12` and its components extracted and examined. """ passwd = b"whatever" pem = client_key_pem + client_cert_pem p12_str = _runopenssl( pem, b"pkcs12", b"-export", b"-clcerts", b"-passout", b"pass:" + passwd) p12 = load_pkcs12(p12_str, passphrase=passwd) self.verify_pkcs12_container(p12) def test_load_pkcs12_text_passphrase(self): """ A PKCS12 string generated using the openssl command line can be loaded with :py:obj:`load_pkcs12` and its components extracted and examined. Using text as passphrase instead of bytes. DeprecationWarning expected. """ pem = client_key_pem + client_cert_pem passwd = b"whatever" p12_str = _runopenssl(pem, b"pkcs12", b"-export", b"-clcerts", b"-passout", b"pass:" + passwd) with catch_warnings(record=True) as w: simplefilter("always") p12 = load_pkcs12(p12_str, passphrase=b"whatever".decode("ascii")) self.assertEqual( "{0} for passphrase is no longer accepted, use bytes".format( WARNING_TYPE_EXPECTED ), str(w[-1].message) ) self.assertIs(w[-1].category, DeprecationWarning) self.verify_pkcs12_container(p12) def test_load_pkcs12_no_passphrase(self): """ A PKCS12 string generated using openssl command line can be loaded with :py:obj:`load_pkcs12` without a passphrase and its components extracted and examined. """ pem = client_key_pem + client_cert_pem p12_str = _runopenssl( pem, b"pkcs12", b"-export", b"-clcerts", b"-passout", b"pass:") p12 = load_pkcs12(p12_str) self.verify_pkcs12_container(p12) def _dump_and_load(self, dump_passphrase, load_passphrase): """ A helper method to dump and load a PKCS12 object. """ p12 = self.gen_pkcs12(client_cert_pem, client_key_pem) dumped_p12 = p12.export(passphrase=dump_passphrase, iter=2, maciter=3) return load_pkcs12(dumped_p12, passphrase=load_passphrase) def test_load_pkcs12_null_passphrase_load_empty(self): """ A PKCS12 string can be dumped with a null passphrase, loaded with an empty passphrase with :py:obj:`load_pkcs12`, and its components extracted and examined. """ self.verify_pkcs12_container( self._dump_and_load(dump_passphrase=None, load_passphrase=b'')) def test_load_pkcs12_null_passphrase_load_null(self): """ A PKCS12 string can be dumped with a null passphrase, loaded with a null passphrase with :py:obj:`load_pkcs12`, and its components extracted and examined. """ self.verify_pkcs12_container( self._dump_and_load(dump_passphrase=None, load_passphrase=None)) def test_load_pkcs12_empty_passphrase_load_empty(self): """ A PKCS12 string can be dumped with an empty passphrase, loaded with an empty passphrase with :py:obj:`load_pkcs12`, and its components extracted and examined. """ self.verify_pkcs12_container( self._dump_and_load(dump_passphrase=b'', load_passphrase=b'')) def test_load_pkcs12_empty_passphrase_load_null(self): """ A PKCS12 string can be dumped with an empty passphrase, loaded with a null passphrase with :py:obj:`load_pkcs12`, and its components extracted and examined. """ self.verify_pkcs12_container( self._dump_and_load(dump_passphrase=b'', load_passphrase=None)) def test_load_pkcs12_garbage(self): """ :py:obj:`load_pkcs12` raises :py:obj:`OpenSSL.crypto.Error` when passed a string which is not a PKCS12 dump. """ passwd = 'whatever' e = self.assertRaises(Error, load_pkcs12, b'fruit loops', passwd) self.assertEqual( e.args[0][0][0], 'asn1 encoding routines') self.assertEqual( len(e.args[0][0]), 3) def test_replace(self): """ :py:obj:`PKCS12.set_certificate` replaces the certificate in a PKCS12 cluster. :py:obj:`PKCS12.set_privatekey` replaces the private key. :py:obj:`PKCS12.set_ca_certificates` replaces the CA certificates. """ p12 = self.gen_pkcs12(client_cert_pem, client_key_pem, root_cert_pem) p12.set_certificate(load_certificate(FILETYPE_PEM, server_cert_pem)) p12.set_privatekey(load_privatekey(FILETYPE_PEM, server_key_pem)) root_cert = load_certificate(FILETYPE_PEM, root_cert_pem) client_cert = load_certificate(FILETYPE_PEM, client_cert_pem) p12.set_ca_certificates([root_cert]) # not a tuple self.assertEqual(1, len(p12.get_ca_certificates())) self.assertEqual(root_cert, p12.get_ca_certificates()[0]) p12.set_ca_certificates([client_cert, root_cert]) self.assertEqual(2, len(p12.get_ca_certificates())) self.assertEqual(client_cert, p12.get_ca_certificates()[0]) self.assertEqual(root_cert, p12.get_ca_certificates()[1]) def test_friendly_name(self): """ The *friendlyName* of a PKCS12 can be set and retrieved via :py:obj:`PKCS12.get_friendlyname` and :py:obj:`PKCS12_set_friendlyname`, and a :py:obj:`PKCS12` with a friendly name set can be dumped with :py:obj:`PKCS12.export`. """ passwd = b'Dogmeat[]{}!@#$%^&*()~`?/.,<>-_+=";:' p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem) for friendly_name in [b('Serverlicious'), None, b('###')]: p12.set_friendlyname(friendly_name) self.assertEqual(p12.get_friendlyname(), friendly_name) dumped_p12 = p12.export(passphrase=passwd, iter=2, maciter=3) reloaded_p12 = load_pkcs12(dumped_p12, passwd) self.assertEqual( p12.get_friendlyname(), reloaded_p12.get_friendlyname()) # We would use the openssl program to confirm the friendly # name, but it is not possible. The pkcs12 command # does not store the friendly name in the cert's # alias, which we could then extract. self.check_recovery( dumped_p12, key=server_key_pem, cert=server_cert_pem, ca=root_cert_pem, passwd=passwd) def test_various_empty_passphrases(self): """ Test that missing, None, and '' passphrases are identical for PKCS12 export. """ p12 = self.gen_pkcs12(client_cert_pem, client_key_pem, root_cert_pem) passwd = b"" dumped_p12_empty = p12.export(iter=2, maciter=0, passphrase=passwd) dumped_p12_none = p12.export(iter=3, maciter=2, passphrase=None) dumped_p12_nopw = p12.export(iter=9, maciter=4) for dumped_p12 in [dumped_p12_empty, dumped_p12_none, dumped_p12_nopw]: self.check_recovery( dumped_p12, key=client_key_pem, cert=client_cert_pem, ca=root_cert_pem, passwd=passwd) def test_removing_ca_cert(self): """ Passing :py:obj:`None` to :py:obj:`PKCS12.set_ca_certificates` removes all CA certificates. """ p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem) p12.set_ca_certificates(None) self.assertEqual(None, p12.get_ca_certificates()) def test_export_without_mac(self): """ Exporting a PKCS12 with a :py:obj:`maciter` of ``-1`` excludes the MAC entirely. """ passwd = b"Lake Michigan" p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem) dumped_p12 = p12.export(maciter=-1, passphrase=passwd, iter=2) self.check_recovery( dumped_p12, key=server_key_pem, cert=server_cert_pem, passwd=passwd, extra=(b"-nomacver",)) def test_load_without_mac(self): """ Loading a PKCS12 without a MAC does something other than crash. """ passwd = b"Lake Michigan" p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem) dumped_p12 = p12.export(maciter=-1, passphrase=passwd, iter=2) try: recovered_p12 = load_pkcs12(dumped_p12, passwd) # The person who generated this PCKS12 should be flogged, # or better yet we should have a means to determine # whether a PCKS12 had a MAC that was verified. # Anyway, libopenssl chooses to allow it, so the # pyopenssl binding does as well. self.assertTrue(isinstance(recovered_p12, PKCS12)) except Error: # Failing here with an exception is preferred as some openssl # versions do. pass def test_zero_len_list_for_ca(self): """ A PKCS12 with an empty CA certificates list can be exported. """ passwd = 'Hobie 18' p12 = self.gen_pkcs12(server_cert_pem, server_key_pem) # p12.set_ca_certificates([]) # self.assertEqual((), p12.get_ca_certificates()) # dumped_p12 = p12.export(passphrase=passwd, iter=3) # self.check_recovery( # dumped_p12, key=server_key_pem, cert=server_cert_pem, # passwd=passwd) def test_export_without_args(self): """ All the arguments to :py:obj:`PKCS12.export` are optional. """ p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem) dumped_p12 = p12.export() # no args self.check_recovery( dumped_p12, key=server_key_pem, cert=server_cert_pem, passwd=b"") def test_export_without_bytes(self): """ Test :py:obj:`PKCS12.export` with text not bytes as passphrase """ p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem) with catch_warnings(record=True) as w: simplefilter("always") dumped_p12 = p12.export(passphrase=b"randomtext".decode("ascii")) self.assertEqual( "{0} for passphrase is no longer accepted, use bytes".format( WARNING_TYPE_EXPECTED ), str(w[-1].message) ) self.assertIs(w[-1].category, DeprecationWarning) self.check_recovery( dumped_p12, key=server_key_pem, cert=server_cert_pem, passwd=b"randomtext") def test_key_cert_mismatch(self): """ :py:obj:`PKCS12.export` raises an exception when a key and certificate mismatch. """ p12 = self.gen_pkcs12(server_cert_pem, client_key_pem, root_cert_pem) self.assertRaises(Error, p12.export) # These quoting functions taken directly from Twisted's twisted.python.win32. _cmdLineQuoteRe = re.compile(br'(\\*)"') _cmdLineQuoteRe2 = re.compile(br'(\\+)\Z') def cmdLineQuote(s): """ Internal method for quoting a single command-line argument. See http://www.perlmonks.org/?node_id=764004 :type: :py:obj:`str` :param s: A single unquoted string to quote for something that is expecting cmd.exe-style quoting :rtype: :py:obj:`str` :return: A cmd.exe-style quoted string """ s = _cmdLineQuoteRe2.sub(br"\1\1", _cmdLineQuoteRe.sub(br'\1\1\\"', s)) return b'"' + s + b'"' def quoteArguments(arguments): """ Quote an iterable of command-line arguments for passing to CreateProcess or a similar API. This allows the list passed to :py:obj:`reactor.spawnProcess` to match the child process's :py:obj:`sys.argv` properly. :type arguments: :py:obj:`iterable` of :py:obj:`str` :param arguments: An iterable of unquoted arguments to quote :rtype: :py:obj:`str` :return: A space-delimited string containing quoted versions of :py:obj:`arguments` """ return b' '.join(map(cmdLineQuote, arguments)) def _runopenssl(pem, *args): """ Run the command line openssl tool with the given arguments and write the given PEM to its stdin. Not safe for quotes. """ if os.name == 'posix': command = b"openssl " + b" ".join([ (b"'" + arg.replace(b"'", b"'\\''") + b"'") for arg in args]) else: command = b"openssl " + quoteArguments(args) proc = Popen(native(command), shell=True, stdin=PIPE, stdout=PIPE) proc.stdin.write(pem) proc.stdin.close() output = proc.stdout.read() proc.stdout.close() proc.wait() return output class FunctionTests(TestCase): """ Tests for free-functions in the :py:obj:`OpenSSL.crypto` module. """ def test_load_privatekey_invalid_format(self): """ :py:obj:`load_privatekey` raises :py:obj:`ValueError` if passed an unknown filetype. """ self.assertRaises(ValueError, load_privatekey, 100, root_key_pem) def test_load_privatekey_invalid_passphrase_type(self): """ :py:obj:`load_privatekey` raises :py:obj:`TypeError` if passed a passphrase that is neither a :py:obj:`str` nor a callable. """ self.assertRaises( TypeError, load_privatekey, FILETYPE_PEM, encryptedPrivateKeyPEMPassphrase, object()) def test_load_privatekey_wrong_args(self): """ :py:obj:`load_privatekey` raises :py:obj:`TypeError` if called with the wrong number of arguments. """ self.assertRaises(TypeError, load_privatekey) def test_load_privatekey_wrongPassphrase(self): """ :py:obj:`load_privatekey` raises :py:obj:`OpenSSL.crypto.Error` when it is passed an encrypted PEM and an incorrect passphrase. """ self.assertRaises( Error, load_privatekey, FILETYPE_PEM, encryptedPrivateKeyPEM, b("quack")) def test_load_privatekey_passphraseWrongType(self): """ :py:obj:`load_privatekey` raises :py:obj:`ValueError` when it is passed a passphrase with a private key encoded in a format, that doesn't support encryption. """ key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) blob = dump_privatekey(FILETYPE_ASN1, key) self.assertRaises(ValueError, load_privatekey, FILETYPE_ASN1, blob, "secret") def test_load_privatekey_passphrase(self): """ :py:obj:`load_privatekey` can create a :py:obj:`PKey` object from an encrypted PEM string if given the passphrase. """ key = load_privatekey( FILETYPE_PEM, encryptedPrivateKeyPEM, encryptedPrivateKeyPEMPassphrase) self.assertTrue(isinstance(key, PKeyType)) def test_load_privatekey_passphrase_exception(self): """ If the passphrase callback raises an exception, that exception is raised by :py:obj:`load_privatekey`. """ def cb(ignored): raise ArithmeticError self.assertRaises(ArithmeticError, load_privatekey, FILETYPE_PEM, encryptedPrivateKeyPEM, cb) def test_load_privatekey_wrongPassphraseCallback(self): """ :py:obj:`load_privatekey` raises :py:obj:`OpenSSL.crypto.Error` when it is passed an encrypted PEM and a passphrase callback which returns an incorrect passphrase. """ called = [] def cb(*a): called.append(None) return b("quack") self.assertRaises( Error, load_privatekey, FILETYPE_PEM, encryptedPrivateKeyPEM, cb) self.assertTrue(called) def test_load_privatekey_passphraseCallback(self): """ :py:obj:`load_privatekey` can create a :py:obj:`PKey` object from an encrypted PEM string if given a passphrase callback which returns the correct password. """ called = [] def cb(writing): called.append(writing) return encryptedPrivateKeyPEMPassphrase key = load_privatekey(FILETYPE_PEM, encryptedPrivateKeyPEM, cb) self.assertTrue(isinstance(key, PKeyType)) self.assertEqual(called, [False]) def test_load_privatekey_passphrase_wrong_return_type(self): """ :py:obj:`load_privatekey` raises :py:obj:`ValueError` if the passphrase callback returns something other than a byte string. """ self.assertRaises( ValueError, load_privatekey, FILETYPE_PEM, encryptedPrivateKeyPEM, lambda *args: 3) def test_dump_privatekey_wrong_args(self): """ :py:obj:`dump_privatekey` raises :py:obj:`TypeError` if called with the wrong number of arguments. """ self.assertRaises(TypeError, dump_privatekey) # If cipher name is given, password is required. self.assertRaises( TypeError, dump_privatekey, FILETYPE_PEM, PKey(), GOOD_CIPHER) def test_dump_privatekey_unknown_cipher(self): """ :py:obj:`dump_privatekey` raises :py:obj:`ValueError` if called with an unrecognized cipher name. """ key = PKey() key.generate_key(TYPE_RSA, 512) self.assertRaises( ValueError, dump_privatekey, FILETYPE_PEM, key, BAD_CIPHER, "passphrase") def test_dump_privatekey_invalid_passphrase_type(self): """ :py:obj:`dump_privatekey` raises :py:obj:`TypeError` if called with a passphrase which is neither a :py:obj:`str` nor a callable. """ key = PKey() key.generate_key(TYPE_RSA, 512) self.assertRaises( TypeError, dump_privatekey, FILETYPE_PEM, key, GOOD_CIPHER, object()) def test_dump_privatekey_invalid_filetype(self): """ :py:obj:`dump_privatekey` raises :py:obj:`ValueError` if called with an unrecognized filetype. """ key = PKey() key.generate_key(TYPE_RSA, 512) self.assertRaises(ValueError, dump_privatekey, 100, key) def test_load_privatekey_passphraseCallbackLength(self): """ :py:obj:`crypto.load_privatekey` should raise an error when the passphrase provided by the callback is too long, not silently truncate it. """ def cb(ignored): return "a" * 1025 self.assertRaises(ValueError, load_privatekey, FILETYPE_PEM, encryptedPrivateKeyPEM, cb) def test_dump_privatekey_passphrase(self): """ :py:obj:`dump_privatekey` writes an encrypted PEM when given a passphrase. """ passphrase = b("foo") key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) pem = dump_privatekey(FILETYPE_PEM, key, GOOD_CIPHER, passphrase) self.assertTrue(isinstance(pem, binary_type)) loadedKey = load_privatekey(FILETYPE_PEM, pem, passphrase) self.assertTrue(isinstance(loadedKey, PKeyType)) self.assertEqual(loadedKey.type(), key.type()) self.assertEqual(loadedKey.bits(), key.bits()) def test_dump_privatekey_passphraseWrongType(self): """ :py:obj:`dump_privatekey` raises :py:obj:`ValueError` when it is passed a passphrase with a private key encoded in a format, that doesn't support encryption. """ key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) self.assertRaises(ValueError, dump_privatekey, FILETYPE_ASN1, key, GOOD_CIPHER, "secret") def test_dump_certificate(self): """ :py:obj:`dump_certificate` writes PEM, DER, and text. """ pemData = cleartextCertificatePEM + cleartextPrivateKeyPEM cert = load_certificate(FILETYPE_PEM, pemData) dumped_pem = dump_certificate(FILETYPE_PEM, cert) self.assertEqual(dumped_pem, cleartextCertificatePEM) dumped_der = dump_certificate(FILETYPE_ASN1, cert) good_der = _runopenssl(dumped_pem, b"x509", b"-outform", b"DER") self.assertEqual(dumped_der, good_der) cert2 = load_certificate(FILETYPE_ASN1, dumped_der) dumped_pem2 = dump_certificate(FILETYPE_PEM, cert2) self.assertEqual(dumped_pem2, cleartextCertificatePEM) dumped_text = dump_certificate(FILETYPE_TEXT, cert) good_text = _runopenssl(dumped_pem, b"x509", b"-noout", b"-text") self.assertEqual(dumped_text, good_text) def test_dump_privatekey_pem(self): """ :py:obj:`dump_privatekey` writes a PEM """ key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) self.assertTrue(key.check()) dumped_pem = dump_privatekey(FILETYPE_PEM, key) self.assertEqual(dumped_pem, cleartextPrivateKeyPEM) def test_dump_privatekey_asn1(self): """ :py:obj:`dump_privatekey` writes a DER """ key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) dumped_pem = dump_privatekey(FILETYPE_PEM, key) dumped_der = dump_privatekey(FILETYPE_ASN1, key) # XXX This OpenSSL call writes "writing RSA key" to standard out. Sad. good_der = _runopenssl(dumped_pem, b"rsa", b"-outform", b"DER") self.assertEqual(dumped_der, good_der) key2 = load_privatekey(FILETYPE_ASN1, dumped_der) dumped_pem2 = dump_privatekey(FILETYPE_PEM, key2) self.assertEqual(dumped_pem2, cleartextPrivateKeyPEM) def test_dump_privatekey_text(self): """ :py:obj:`dump_privatekey` writes a text """ key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) dumped_pem = dump_privatekey(FILETYPE_PEM, key) dumped_text = dump_privatekey(FILETYPE_TEXT, key) good_text = _runopenssl(dumped_pem, b"rsa", b"-noout", b"-text") self.assertEqual(dumped_text, good_text) def test_dump_certificate_request(self): """ :py:obj:`dump_certificate_request` writes a PEM, DER, and text. """ req = load_certificate_request(FILETYPE_PEM, cleartextCertificateRequestPEM) dumped_pem = dump_certificate_request(FILETYPE_PEM, req) self.assertEqual(dumped_pem, cleartextCertificateRequestPEM) dumped_der = dump_certificate_request(FILETYPE_ASN1, req) good_der = _runopenssl(dumped_pem, b"req", b"-outform", b"DER") self.assertEqual(dumped_der, good_der) req2 = load_certificate_request(FILETYPE_ASN1, dumped_der) dumped_pem2 = dump_certificate_request(FILETYPE_PEM, req2) self.assertEqual(dumped_pem2, cleartextCertificateRequestPEM) dumped_text = dump_certificate_request(FILETYPE_TEXT, req) good_text = _runopenssl(dumped_pem, b"req", b"-noout", b"-text") self.assertEqual(dumped_text, good_text) self.assertRaises(ValueError, dump_certificate_request, 100, req) def test_dump_privatekey_passphraseCallback(self): """ :py:obj:`dump_privatekey` writes an encrypted PEM when given a callback which returns the correct passphrase. """ passphrase = b("foo") called = [] def cb(writing): called.append(writing) return passphrase key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) pem = dump_privatekey(FILETYPE_PEM, key, GOOD_CIPHER, cb) self.assertTrue(isinstance(pem, binary_type)) self.assertEqual(called, [True]) loadedKey = load_privatekey(FILETYPE_PEM, pem, passphrase) self.assertTrue(isinstance(loadedKey, PKeyType)) self.assertEqual(loadedKey.type(), key.type()) self.assertEqual(loadedKey.bits(), key.bits()) def test_dump_privatekey_passphrase_exception(self): """ :py:obj:`dump_privatekey` should not overwrite the exception raised by the passphrase callback. """ def cb(ignored): raise ArithmeticError key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) self.assertRaises(ArithmeticError, dump_privatekey, FILETYPE_PEM, key, GOOD_CIPHER, cb) def test_dump_privatekey_passphraseCallbackLength(self): """ :py:obj:`crypto.dump_privatekey` should raise an error when the passphrase provided by the callback is too long, not silently truncate it. """ def cb(ignored): return "a" * 1025 key = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) self.assertRaises(ValueError, dump_privatekey, FILETYPE_PEM, key, GOOD_CIPHER, cb) def test_load_pkcs7_data_pem(self): """ :py:obj:`load_pkcs7_data` accepts a PKCS#7 string and returns an instance of :py:obj:`PKCS7Type`. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertTrue(isinstance(pkcs7, PKCS7Type)) def test_load_pkcs7_data_asn1(self): """ :py:obj:`load_pkcs7_data` accepts a bytes containing ASN1 data representing PKCS#7 and returns an instance of :py:obj`PKCS7Type`. """ pkcs7 = load_pkcs7_data(FILETYPE_ASN1, pkcs7DataASN1) self.assertTrue(isinstance(pkcs7, PKCS7Type)) def test_load_pkcs7_data_invalid(self): """ If the data passed to :py:obj:`load_pkcs7_data` is invalid, :py:obj:`Error` is raised. """ self.assertRaises(Error, load_pkcs7_data, FILETYPE_PEM, b"foo") class LoadCertificateTests(TestCase): """ Tests for :py:obj:`load_certificate_request`. """ def test_badFileType(self): """ If the file type passed to :py:obj:`load_certificate_request` is neither :py:obj:`FILETYPE_PEM` nor :py:obj:`FILETYPE_ASN1` then :py:class:`ValueError` is raised. """ self.assertRaises(ValueError, load_certificate_request, object(), b"") class PKCS7Tests(TestCase): """ Tests for :py:obj:`PKCS7Type`. """ def test_type(self): """ :py:obj:`PKCS7Type` is a type object. """ self.assertTrue(isinstance(PKCS7Type, type)) self.assertEqual(PKCS7Type.__name__, 'PKCS7') # XXX This doesn't currently work. # self.assertIdentical(PKCS7, PKCS7Type) # XXX Opposite results for all these following methods def test_type_is_signed_wrong_args(self): """ :py:obj:`PKCS7Type.type_is_signed` raises :py:obj:`TypeError` if called with any arguments. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertRaises(TypeError, pkcs7.type_is_signed, None) def test_type_is_signed(self): """ :py:obj:`PKCS7Type.type_is_signed` returns :py:obj:`True` if the PKCS7 object is of the type *signed*. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertTrue(pkcs7.type_is_signed()) def test_type_is_enveloped_wrong_args(self): """ :py:obj:`PKCS7Type.type_is_enveloped` raises :py:obj:`TypeError` if called with any arguments. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertRaises(TypeError, pkcs7.type_is_enveloped, None) def test_type_is_enveloped(self): """ :py:obj:`PKCS7Type.type_is_enveloped` returns :py:obj:`False` if the PKCS7 object is not of the type *enveloped*. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertFalse(pkcs7.type_is_enveloped()) def test_type_is_signedAndEnveloped_wrong_args(self): """ :py:obj:`PKCS7Type.type_is_signedAndEnveloped` raises :py:obj:`TypeError` if called with any arguments. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertRaises(TypeError, pkcs7.type_is_signedAndEnveloped, None) def test_type_is_signedAndEnveloped(self): """ :py:obj:`PKCS7Type.type_is_signedAndEnveloped` returns :py:obj:`False` if the PKCS7 object is not of the type *signed and enveloped*. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertFalse(pkcs7.type_is_signedAndEnveloped()) def test_type_is_data(self): """ :py:obj:`PKCS7Type.type_is_data` returns :py:obj:`False` if the PKCS7 object is not of the type data. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertFalse(pkcs7.type_is_data()) def test_type_is_data_wrong_args(self): """ :py:obj:`PKCS7Type.type_is_data` raises :py:obj:`TypeError` if called with any arguments. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertRaises(TypeError, pkcs7.type_is_data, None) def test_get_type_name_wrong_args(self): """ :py:obj:`PKCS7Type.get_type_name` raises :py:obj:`TypeError` if called with any arguments. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertRaises(TypeError, pkcs7.get_type_name, None) def test_get_type_name(self): """ :py:obj:`PKCS7Type.get_type_name` returns a :py:obj:`str` giving the type name. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertEquals(pkcs7.get_type_name(), b('pkcs7-signedData')) def test_attribute(self): """ If an attribute other than one of the methods tested here is accessed on an instance of :py:obj:`PKCS7Type`, :py:obj:`AttributeError` is raised. """ pkcs7 = load_pkcs7_data(FILETYPE_PEM, pkcs7Data) self.assertRaises(AttributeError, getattr, pkcs7, "foo") class NetscapeSPKITests(TestCase, _PKeyInteractionTestsMixin): """ Tests for :py:obj:`OpenSSL.crypto.NetscapeSPKI`. """ def signable(self): """ Return a new :py:obj:`NetscapeSPKI` for use with signing tests. """ return NetscapeSPKI() def test_type(self): """ :py:obj:`NetscapeSPKI` and :py:obj:`NetscapeSPKIType` refer to the same type object and can be used to create instances of that type. """ self.assertIdentical(NetscapeSPKI, NetscapeSPKIType) self.assertConsistentType(NetscapeSPKI, 'NetscapeSPKI') def test_construction(self): """ :py:obj:`NetscapeSPKI` returns an instance of :py:obj:`NetscapeSPKIType`. """ nspki = NetscapeSPKI() self.assertTrue(isinstance(nspki, NetscapeSPKIType)) def test_invalid_attribute(self): """ Accessing a non-existent attribute of a :py:obj:`NetscapeSPKI` instance causes an :py:obj:`AttributeError` to be raised. """ nspki = NetscapeSPKI() self.assertRaises(AttributeError, lambda: nspki.foo) def test_b64_encode(self): """ :py:obj:`NetscapeSPKI.b64_encode` encodes the certificate to a base64 blob. """ nspki = NetscapeSPKI() blob = nspki.b64_encode() self.assertTrue(isinstance(blob, binary_type)) class RevokedTests(TestCase): """ Tests for :py:obj:`OpenSSL.crypto.Revoked` """ def test_construction(self): """ Confirm we can create :py:obj:`OpenSSL.crypto.Revoked`. Check that it is empty. """ revoked = Revoked() self.assertTrue(isinstance(revoked, Revoked)) self.assertEquals(type(revoked), Revoked) self.assertEquals(revoked.get_serial(), b('00')) self.assertEquals(revoked.get_rev_date(), None) self.assertEquals(revoked.get_reason(), None) def test_construction_wrong_args(self): """ Calling :py:obj:`OpenSSL.crypto.Revoked` with any arguments results in a :py:obj:`TypeError` being raised. """ self.assertRaises(TypeError, Revoked, None) self.assertRaises(TypeError, Revoked, 1) self.assertRaises(TypeError, Revoked, "foo") def test_serial(self): """ Confirm we can set and get serial numbers from :py:obj:`OpenSSL.crypto.Revoked`. Confirm errors are handled with grace. """ revoked = Revoked() ret = revoked.set_serial(b('10b')) self.assertEquals(ret, None) ser = revoked.get_serial() self.assertEquals(ser, b('010B')) revoked.set_serial(b('31ppp')) # a type error would be nice ser = revoked.get_serial() self.assertEquals(ser, b('31')) self.assertRaises(ValueError, revoked.set_serial, b('pqrst')) self.assertRaises(TypeError, revoked.set_serial, 100) self.assertRaises(TypeError, revoked.get_serial, 1) self.assertRaises(TypeError, revoked.get_serial, None) self.assertRaises(TypeError, revoked.get_serial, "") def test_date(self): """ Confirm we can set and get revocation dates from :py:obj:`OpenSSL.crypto.Revoked`. Confirm errors are handled with grace. """ revoked = Revoked() date = revoked.get_rev_date() self.assertEquals(date, None) now = b(datetime.now().strftime("%Y%m%d%H%M%SZ")) ret = revoked.set_rev_date(now) self.assertEqual(ret, None) date = revoked.get_rev_date() self.assertEqual(date, now) def test_reason(self): """ Confirm we can set and get revocation reasons from :py:obj:`OpenSSL.crypto.Revoked`. The "get" need to work as "set". Likewise, each reason of all_reasons() must work. """ revoked = Revoked() for r in revoked.all_reasons(): for x in range(2): ret = revoked.set_reason(r) self.assertEquals(ret, None) reason = revoked.get_reason() self.assertEquals( reason.lower().replace(b(' '), b('')), r.lower().replace(b(' '), b(''))) r = reason # again with the resp of get revoked.set_reason(None) self.assertEqual(revoked.get_reason(), None) def test_set_reason_wrong_arguments(self): """ Calling :py:obj:`OpenSSL.crypto.Revoked.set_reason` with other than one argument, or an argument which isn't a valid reason, results in :py:obj:`TypeError` or :py:obj:`ValueError` being raised. """ revoked = Revoked() self.assertRaises(TypeError, revoked.set_reason, 100) self.assertRaises(ValueError, revoked.set_reason, b('blue')) def test_get_reason_wrong_arguments(self): """ Calling :py:obj:`OpenSSL.crypto.Revoked.get_reason` with any arguments results in :py:obj:`TypeError` being raised. """ revoked = Revoked() self.assertRaises(TypeError, revoked.get_reason, None) self.assertRaises(TypeError, revoked.get_reason, 1) self.assertRaises(TypeError, revoked.get_reason, "foo") class CRLTests(TestCase): """ Tests for :py:obj:`OpenSSL.crypto.CRL` """ cert = load_certificate(FILETYPE_PEM, cleartextCertificatePEM) pkey = load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM) def test_construction(self): """ Confirm we can create :py:obj:`OpenSSL.crypto.CRL`. Check that it is empty """ crl = CRL() self.assertTrue( isinstance(crl, CRL) ) self.assertEqual(crl.get_revoked(), None) def test_construction_wrong_args(self): """ Calling :py:obj:`OpenSSL.crypto.CRL` with any number of arguments results in a :py:obj:`TypeError` being raised. """ self.assertRaises(TypeError, CRL, 1) self.assertRaises(TypeError, CRL, "") self.assertRaises(TypeError, CRL, None) def _get_crl(self): """ Get a new ``CRL`` with a revocation. """ crl = CRL() revoked = Revoked() now = b(datetime.now().strftime("%Y%m%d%H%M%SZ")) revoked.set_rev_date(now) revoked.set_serial(b('3ab')) revoked.set_reason(b('sUpErSeDEd')) crl.add_revoked(revoked) return crl def test_export_pem(self): """ If not passed a format, ``CRL.export`` returns a "PEM" format string representing a serial number, a revoked reason, and certificate issuer information. """ crl = self._get_crl() # PEM format dumped_crl = crl.export(self.cert, self.pkey, days=20) text = _runopenssl(dumped_crl, b"crl", b"-noout", b"-text") # These magic values are based on the way the CRL above was constructed # and with what certificate it was exported. text.index(b('Serial Number: 03AB')) text.index(b('Superseded')) text.index( b('Issuer: /C=US/ST=IL/L=Chicago/O=Testing/CN=Testing Root CA') ) def test_export_der(self): """ If passed ``FILETYPE_ASN1`` for the format, ``CRL.export`` returns a "DER" format string representing a serial number, a revoked reason, and certificate issuer information. """ crl = self._get_crl() # DER format dumped_crl = crl.export(self.cert, self.pkey, FILETYPE_ASN1) text = _runopenssl( dumped_crl, b"crl", b"-noout", b"-text", b"-inform", b"DER" ) text.index(b('Serial Number: 03AB')) text.index(b('Superseded')) text.index( b('Issuer: /C=US/ST=IL/L=Chicago/O=Testing/CN=Testing Root CA') ) def test_export_text(self): """ If passed ``FILETYPE_TEXT`` for the format, ``CRL.export`` returns a text format string like the one produced by the openssl command line tool. """ crl = self._get_crl() dumped_crl = crl.export(self.cert, self.pkey, FILETYPE_ASN1) text = _runopenssl( dumped_crl, b"crl", b"-noout", b"-text", b"-inform", b"DER" ) # text format dumped_text = crl.export(self.cert, self.pkey, type=FILETYPE_TEXT) self.assertEqual(text, dumped_text) def test_export_custom_digest(self): """ If passed the name of a digest function, ``CRL.export`` uses a signature algorithm based on that digest function. """ crl = self._get_crl() dumped_crl = crl.export(self.cert, self.pkey, digest=b"sha1") text = _runopenssl(dumped_crl, b"crl", b"-noout", b"-text") text.index(b('Signature Algorithm: sha1')) def test_export_md5_digest(self): """ If passed md5 as the digest function, ``CRL.export`` uses md5 and does not emit a deprecation warning. """ crl = self._get_crl() with catch_warnings(record=True) as catcher: simplefilter("always") self.assertEqual(0, len(catcher)) dumped_crl = crl.export(self.cert, self.pkey, digest=b"md5") text = _runopenssl(dumped_crl, b"crl", b"-noout", b"-text") text.index(b('Signature Algorithm: md5')) def test_export_default_digest(self): """ If not passed the name of a digest function, ``CRL.export`` uses a signature algorithm based on MD5 and emits a deprecation warning. """ crl = self._get_crl() with catch_warnings(record=True) as catcher: simplefilter("always") dumped_crl = crl.export(self.cert, self.pkey) self.assertEqual( "The default message digest (md5) is deprecated. " "Pass the name of a message digest explicitly.", str(catcher[0].message), ) text = _runopenssl(dumped_crl, b"crl", b"-noout", b"-text") text.index(b('Signature Algorithm: md5')) def test_export_invalid(self): """ If :py:obj:`CRL.export` is used with an uninitialized :py:obj:`X509` instance, :py:obj:`OpenSSL.crypto.Error` is raised. """ crl = CRL() self.assertRaises(Error, crl.export, X509(), PKey()) def test_add_revoked_keyword(self): """ :py:obj:`OpenSSL.CRL.add_revoked` accepts its single argument as the ``revoked`` keyword argument. """ crl = CRL() revoked = Revoked() crl.add_revoked(revoked=revoked) self.assertTrue(isinstance(crl.get_revoked()[0], Revoked)) def test_export_wrong_args(self): """ Calling :py:obj:`OpenSSL.CRL.export` with fewer than two or more than four arguments, or with arguments other than the certificate, private key, integer file type, and integer number of days it expects, results in a :py:obj:`TypeError` being raised. """ crl = CRL() self.assertRaises(TypeError, crl.export) self.assertRaises(TypeError, crl.export, self.cert) self.assertRaises(TypeError, crl.export, self.cert, self.pkey, FILETYPE_PEM, 10, "md5", "foo") self.assertRaises(TypeError, crl.export, None, self.pkey, FILETYPE_PEM, 10) self.assertRaises(TypeError, crl.export, self.cert, None, FILETYPE_PEM, 10) self.assertRaises(TypeError, crl.export, self.cert, self.pkey, None, 10) self.assertRaises(TypeError, crl.export, self.cert, FILETYPE_PEM, None) def test_export_unknown_filetype(self): """ Calling :py:obj:`OpenSSL.CRL.export` with a file type other than :py:obj:`FILETYPE_PEM`, :py:obj:`FILETYPE_ASN1`, or :py:obj:`FILETYPE_TEXT` results in a :py:obj:`ValueError` being raised. """ crl = CRL() self.assertRaises(ValueError, crl.export, self.cert, self.pkey, 100, 10) def test_export_unknown_digest(self): """ Calling :py:obj:`OpenSSL.CRL.export` with a unsupported digest results in a :py:obj:`ValueError` being raised. """ crl = CRL() self.assertRaises( ValueError, crl.export, self.cert, self.pkey, FILETYPE_PEM, 10, b"strange-digest" ) def test_get_revoked(self): """ Use python to create a simple CRL with two revocations. Get back the :py:obj:`Revoked` using :py:obj:`OpenSSL.CRL.get_revoked` and verify them. """ crl = CRL() revoked = Revoked() now = b(datetime.now().strftime("%Y%m%d%H%M%SZ")) revoked.set_rev_date(now) revoked.set_serial(b('3ab')) crl.add_revoked(revoked) revoked.set_serial(b('100')) revoked.set_reason(b('sUpErSeDEd')) crl.add_revoked(revoked) revs = crl.get_revoked() self.assertEqual(len(revs), 2) self.assertEqual(type(revs[0]), Revoked) self.assertEqual(type(revs[1]), Revoked) self.assertEqual(revs[0].get_serial(), b('03AB')) self.assertEqual(revs[1].get_serial(), b('0100')) self.assertEqual(revs[0].get_rev_date(), now) self.assertEqual(revs[1].get_rev_date(), now) def test_get_revoked_wrong_args(self): """ Calling :py:obj:`OpenSSL.CRL.get_revoked` with any arguments results in a :py:obj:`TypeError` being raised. """ crl = CRL() self.assertRaises(TypeError, crl.get_revoked, None) self.assertRaises(TypeError, crl.get_revoked, 1) self.assertRaises(TypeError, crl.get_revoked, "") self.assertRaises(TypeError, crl.get_revoked, "", 1, None) def test_add_revoked_wrong_args(self): """ Calling :py:obj:`OpenSSL.CRL.add_revoked` with other than one argument results in a :py:obj:`TypeError` being raised. """ crl = CRL() self.assertRaises(TypeError, crl.add_revoked) self.assertRaises(TypeError, crl.add_revoked, 1, 2) self.assertRaises(TypeError, crl.add_revoked, "foo", "bar") def test_load_crl(self): """ Load a known CRL and inspect its revocations. Both PEM and DER formats are loaded. """ crl = load_crl(FILETYPE_PEM, crlData) revs = crl.get_revoked() self.assertEqual(len(revs), 2) self.assertEqual(revs[0].get_serial(), b('03AB')) self.assertEqual(revs[0].get_reason(), None) self.assertEqual(revs[1].get_serial(), b('0100')) self.assertEqual(revs[1].get_reason(), b('Superseded')) der = _runopenssl(crlData, b"crl", b"-outform", b"DER") crl = load_crl(FILETYPE_ASN1, der) revs = crl.get_revoked() self.assertEqual(len(revs), 2) self.assertEqual(revs[0].get_serial(), b('03AB')) self.assertEqual(revs[0].get_reason(), None) self.assertEqual(revs[1].get_serial(), b('0100')) self.assertEqual(revs[1].get_reason(), b('Superseded')) def test_load_crl_wrong_args(self): """ Calling :py:obj:`OpenSSL.crypto.load_crl` with other than two arguments results in a :py:obj:`TypeError` being raised. """ self.assertRaises(TypeError, load_crl) self.assertRaises(TypeError, load_crl, FILETYPE_PEM) self.assertRaises(TypeError, load_crl, FILETYPE_PEM, crlData, None) def test_load_crl_bad_filetype(self): """ Calling :py:obj:`OpenSSL.crypto.load_crl` with an unknown file type raises a :py:obj:`ValueError`. """ self.assertRaises(ValueError, load_crl, 100, crlData) def test_load_crl_bad_data(self): """ Calling :py:obj:`OpenSSL.crypto.load_crl` with file data which can't be loaded raises a :py:obj:`OpenSSL.crypto.Error`. """ self.assertRaises(Error, load_crl, FILETYPE_PEM, b"hello, world") class X509StoreContextTests(TestCase): """ Tests for :py:obj:`OpenSSL.crypto.X509StoreContext`. """ root_cert = load_certificate(FILETYPE_PEM, root_cert_pem) intermediate_cert = load_certificate(FILETYPE_PEM, intermediate_cert_pem) intermediate_server_cert = load_certificate(FILETYPE_PEM, intermediate_server_cert_pem) def test_valid(self): """ :py:obj:`verify_certificate` returns ``None`` when called with a certificate and valid chain. """ store = X509Store() store.add_cert(self.root_cert) store.add_cert(self.intermediate_cert) store_ctx = X509StoreContext(store, self.intermediate_server_cert) self.assertEqual(store_ctx.verify_certificate(), None) def test_reuse(self): """ :py:obj:`verify_certificate` can be called multiple times with the same ``X509StoreContext`` instance to produce the same result. """ store = X509Store() store.add_cert(self.root_cert) store.add_cert(self.intermediate_cert) store_ctx = X509StoreContext(store, self.intermediate_server_cert) self.assertEqual(store_ctx.verify_certificate(), None) self.assertEqual(store_ctx.verify_certificate(), None) def test_trusted_self_signed(self): """ :py:obj:`verify_certificate` returns ``None`` when called with a self-signed certificate and itself in the chain. """ store = X509Store() store.add_cert(self.root_cert) store_ctx = X509StoreContext(store, self.root_cert) self.assertEqual(store_ctx.verify_certificate(), None) def test_untrusted_self_signed(self): """ :py:obj:`verify_certificate` raises error when a self-signed certificate is verified without itself in the chain. """ store = X509Store() store_ctx = X509StoreContext(store, self.root_cert) e = self.assertRaises(X509StoreContextError, store_ctx.verify_certificate) self.assertEqual(e.args[0][2], 'self signed certificate') self.assertEqual(e.certificate.get_subject().CN, 'Testing Root CA') def test_invalid_chain_no_root(self): """ :py:obj:`verify_certificate` raises error when a root certificate is missing from the chain. """ store = X509Store() store.add_cert(self.intermediate_cert) store_ctx = X509StoreContext(store, self.intermediate_server_cert) e = self.assertRaises(X509StoreContextError, store_ctx.verify_certificate) self.assertEqual(e.args[0][2], 'unable to get issuer certificate') self.assertEqual(e.certificate.get_subject().CN, 'intermediate') def test_invalid_chain_no_intermediate(self): """ :py:obj:`verify_certificate` raises error when an intermediate certificate is missing from the chain. """ store = X509Store() store.add_cert(self.root_cert) store_ctx = X509StoreContext(store, self.intermediate_server_cert) e = self.assertRaises(X509StoreContextError, store_ctx.verify_certificate) self.assertEqual(e.args[0][2], 'unable to get local issuer certificate') self.assertEqual(e.certificate.get_subject().CN, 'intermediate-service') def test_modification_pre_verify(self): """ :py:obj:`verify_certificate` can use a store context modified after instantiation. """ store_bad = X509Store() store_bad.add_cert(self.intermediate_cert) store_good = X509Store() store_good.add_cert(self.root_cert) store_good.add_cert(self.intermediate_cert) store_ctx = X509StoreContext(store_bad, self.intermediate_server_cert) e = self.assertRaises(X509StoreContextError, store_ctx.verify_certificate) self.assertEqual(e.args[0][2], 'unable to get issuer certificate') self.assertEqual(e.certificate.get_subject().CN, 'intermediate') store_ctx.set_store(store_good) self.assertEqual(store_ctx.verify_certificate(), None) class SignVerifyTests(TestCase): """ Tests for :py:obj:`OpenSSL.crypto.sign` and :py:obj:`OpenSSL.crypto.verify`. """ def test_sign_verify(self): """ :py:obj:`sign` generates a cryptographic signature which :py:obj:`verify` can check. """ content = b( "It was a bright cold day in April, and the clocks were striking " "thirteen. Winston Smith, his chin nuzzled into his breast in an " "effort to escape the vile wind, slipped quickly through the " "glass doors of Victory Mansions, though not quickly enough to " "prevent a swirl of gritty dust from entering along with him.") # sign the content with this private key priv_key = load_privatekey(FILETYPE_PEM, root_key_pem) # verify the content with this cert good_cert = load_certificate(FILETYPE_PEM, root_cert_pem) # certificate unrelated to priv_key, used to trigger an error bad_cert = load_certificate(FILETYPE_PEM, server_cert_pem) for digest in ['md5', 'sha1']: sig = sign(priv_key, content, digest) # Verify the signature of content, will throw an exception if error. verify(good_cert, sig, content, digest) # This should fail because the certificate doesn't match the # private key that was used to sign the content. self.assertRaises(Error, verify, bad_cert, sig, content, digest) # This should fail because we've "tainted" the content after # signing it. self.assertRaises( Error, verify, good_cert, sig, content + b("tainted"), digest) # test that unknown digest types fail self.assertRaises( ValueError, sign, priv_key, content, "strange-digest") self.assertRaises( ValueError, verify, good_cert, sig, content, "strange-digest") def test_sign_verify_with_text(self): """ :py:obj:`sign` generates a cryptographic signature which :py:obj:`verify` can check. Deprecation warnings raised because using text instead of bytes as content """ content = ( b"It was a bright cold day in April, and the clocks were striking " b"thirteen. Winston Smith, his chin nuzzled into his breast in an " b"effort to escape the vile wind, slipped quickly through the " b"glass doors of Victory Mansions, though not quickly enough to " b"prevent a swirl of gritty dust from entering along with him." ).decode("ascii") priv_key = load_privatekey(FILETYPE_PEM, root_key_pem) cert = load_certificate(FILETYPE_PEM, root_cert_pem) for digest in ['md5', 'sha1']: with catch_warnings(record=True) as w: simplefilter("always") sig = sign(priv_key, content, digest) self.assertEqual( "{0} for data is no longer accepted, use bytes".format( WARNING_TYPE_EXPECTED ), str(w[-1].message) ) self.assertIs(w[-1].category, DeprecationWarning) with catch_warnings(record=True) as w: simplefilter("always") verify(cert, sig, content, digest) self.assertEqual( "{0} for data is no longer accepted, use bytes".format( WARNING_TYPE_EXPECTED ), str(w[-1].message) ) self.assertIs(w[-1].category, DeprecationWarning) def test_sign_nulls(self): """ :py:obj:`sign` produces a signature for a string with embedded nulls. """ content = b("Watch out! \0 Did you see it?") priv_key = load_privatekey(FILETYPE_PEM, root_key_pem) good_cert = load_certificate(FILETYPE_PEM, root_cert_pem) sig = sign(priv_key, content, "sha1") verify(good_cert, sig, content, "sha1") class EllipticCurveTests(TestCase): """ Tests for :py:class:`_EllipticCurve`, :py:obj:`get_elliptic_curve`, and :py:obj:`get_elliptic_curves`. """ def test_set(self): """ :py:obj:`get_elliptic_curves` returns a :py:obj:`set`. """ self.assertIsInstance(get_elliptic_curves(), set) def test_some_curves(self): """ If :py:mod:`cryptography` has elliptic curve support then the set returned by :py:obj:`get_elliptic_curves` has some elliptic curves in it. There could be an OpenSSL that violates this assumption. If so, this test will fail and we'll find out. """ curves = get_elliptic_curves() if lib.Cryptography_HAS_EC: self.assertTrue(curves) else: self.assertFalse(curves) def test_a_curve(self): """ :py:obj:`get_elliptic_curve` can be used to retrieve a particular supported curve. """ curves = get_elliptic_curves() if curves: curve = next(iter(curves)) self.assertEqual(curve.name, get_elliptic_curve(curve.name).name) else: self.assertRaises(ValueError, get_elliptic_curve, u("prime256v1")) def test_not_a_curve(self): """ :py:obj:`get_elliptic_curve` raises :py:class:`ValueError` if called with a name which does not identify a supported curve. """ self.assertRaises( ValueError, get_elliptic_curve, u("this curve was just invented")) def test_repr(self): """ The string representation of a curve object includes simply states the object is a curve and what its name is. """ curves = get_elliptic_curves() if curves: curve = next(iter(curves)) self.assertEqual("" % (curve.name,), repr(curve)) def test_to_EC_KEY(self): """ The curve object can export a version of itself as an EC_KEY* via the private :py:meth:`_EllipticCurve._to_EC_KEY`. """ curves = get_elliptic_curves() if curves: curve = next(iter(curves)) # It's not easy to assert anything about this object. However, see # leakcheck/crypto.py for a test that demonstrates it at least does # not leak memory. curve._to_EC_KEY() class EllipticCurveFactory(object): """ A helper to get the names of two curves. """ def __init__(self): curves = iter(get_elliptic_curves()) try: self.curve_name = next(curves).name self.another_curve_name = next(curves).name except StopIteration: self.curve_name = self.another_curve_name = None class EllipticCurveEqualityTests(TestCase, EqualityTestsMixin): """ Tests :py:type:`_EllipticCurve`\ 's implementation of ``==`` and ``!=``. """ curve_factory = EllipticCurveFactory() if curve_factory.curve_name is None: skip = "There are no curves available there can be no curve objects." def anInstance(self): """ Get the curve object for an arbitrary curve supported by the system. """ return get_elliptic_curve(self.curve_factory.curve_name) def anotherInstance(self): """ Get the curve object for an arbitrary curve supported by the system - but not the one returned by C{anInstance}. """ return get_elliptic_curve(self.curve_factory.another_curve_name) class EllipticCurveHashTests(TestCase): """ Tests for :py:type:`_EllipticCurve`\ 's implementation of hashing (thus use as an item in a :py:type:`dict` or :py:type:`set`). """ curve_factory = EllipticCurveFactory() if curve_factory.curve_name is None: skip = "There are no curves available there can be no curve objects." def test_contains(self): """ The ``in`` operator reports that a :py:type:`set` containing a curve does contain that curve. """ curve = get_elliptic_curve(self.curve_factory.curve_name) curves = set([curve]) self.assertIn(curve, curves) def test_does_not_contain(self): """ The ``in`` operator reports that a :py:type:`set` not containing a curve does not contain that curve. """ curve = get_elliptic_curve(self.curve_factory.curve_name) curves = set([get_elliptic_curve(self.curve_factory.another_curve_name)]) self.assertNotIn(curve, curves) if __name__ == '__main__': main()