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41 lines
1020 B
Python
41 lines
1020 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 AsymmetricSignatureContext(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 and returns nothing.
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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 signature as bytes.
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"""
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@six.add_metaclass(abc.ABCMeta)
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class AsymmetricVerificationContext(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 and returns nothing.
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"""
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@abc.abstractmethod
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def verify(self):
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"""
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Raises an exception if the bytes provided to update do not match the
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signature or the signature does not match the public key.
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"""
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