2013-11-02 21:03:34 +00:00
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Exceptions
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==========
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.. currentmodule:: cryptography.exceptions
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2014-03-22 22:09:34 +00:00
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.. class:: UnsupportedAlgorithm
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Raised when the requested algorithm, or combination of algorithms is not
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supported.
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2013-11-13 18:01:15 +00:00
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.. class:: AlreadyFinalized
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2013-11-13 21:02:44 +00:00
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This is raised when a context is used after being finalized.
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2013-11-13 18:01:15 +00:00
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2013-11-22 20:10:59 +00:00
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2013-12-25 19:00:49 +00:00
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.. class:: InvalidSignature
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2014-02-24 01:13:19 +00:00
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This is raised when signature verification fails. This can occur with
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HMAC or asymmetric key signature validation.
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2013-12-25 19:00:49 +00:00
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2013-11-22 20:10:59 +00:00
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.. class:: NotYetFinalized
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2013-11-21 03:27:00 +00:00
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This is raised when the AEAD tag property is accessed on a context
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before it is finalized.
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2013-11-13 18:01:15 +00:00
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2013-11-22 20:10:59 +00:00
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.. class:: AlreadyUpdated
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This is raised when additional data is added to a context after update
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has already been called.
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2014-01-27 19:05:29 +00:00
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.. class:: InvalidKey
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2014-01-27 23:59:17 +00:00
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This is raised when the verify method of a key derivation function's
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computed key does not match the expected key.
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