38 lines
884 B
Python
38 lines
884 B
Python
# This file is dual licensed under the terms of the Apache License, Version
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# 2.0, and the BSD License. See the LICENSE file in the root of this repository
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# for complete details.
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from __future__ import absolute_import, division, print_function
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import abc
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import six
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@six.add_metaclass(abc.ABCMeta)
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class MACContext(object):
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@abc.abstractmethod
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def update(self, data):
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"""
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Processes the provided bytes.
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"""
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@abc.abstractmethod
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def finalize(self):
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"""
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Returns the message authentication code as bytes.
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"""
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@abc.abstractmethod
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def copy(self):
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"""
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Return a MACContext that is a copy of the current context.
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"""
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@abc.abstractmethod
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def verify(self, signature):
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"""
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Checks if the generated message authentication code matches the
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signature.
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"""
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