openmedialibrary/oml/node/gencert.py
2014-05-12 04:09:31 +02:00

25 lines
898 B
Python

import OpenSSL
key = OpenSSL.crypto.PKey()
key.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)
ca = OpenSSL.crypto.X509()
ca.set_version(2)
ca.set_serial_number(1)
ca.get_subject().CN = "put_ed25519_key_here"
ca.gmtime_adj_notBefore(0)
ca.gmtime_adj_notAfter(24 * 60 * 60)
ca.set_issuer(ca.get_subject())
ca.set_pubkey(key)
ca.add_extensions([
OpenSSL.crypto.X509Extension("basicConstraints", True,
"CA:TRUE, pathlen:0"),
OpenSSL.crypto.X509Extension("keyUsage", True,
"keyCertSign, cRLSign"),
OpenSSL.crypto.X509Extension("subjectKeyIdentifier", False, "hash",
subject=ca),
OpenSSL.crypto.X509Extension("authorityKeyIdentifier", False, "keyid:always",issuer=ca)
])
ca.sign(key, "sha1")
open("MyCertificate.crt.bin", "wb").write(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, ca))