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64 lines
1.4 KiB
ReStructuredText
64 lines
1.4 KiB
ReStructuredText
Exceptions
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==========
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.. currentmodule:: cryptography.exceptions
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.. class:: AlreadyFinalized
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This is raised when a context is used after being finalized.
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.. class:: InvalidSignature
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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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.. class:: NotYetFinalized
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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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.. 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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.. class:: UnsupportedCipher
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.. versionadded:: 0.3
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This is raised when a backend doesn't support the requested cipher
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algorithm and mode combination.
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.. class:: UnsupportedHash
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.. versionadded:: 0.3
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This is raised when a backend doesn't support the requested hash algorithm.
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.. class:: UnsupportedPadding
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.. versionadded:: 0.3
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This is raised when the requested padding is not supported by the backend.
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.. class:: InvalidKey
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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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.. class:: InvalidToken
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This is raised when the verify method of a one time password function's
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computed token does not match the expected token.
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.. class:: UnsupportedInterface
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.. versionadded:: 0.3
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This is raised when the provided backend does not support the required
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interface.
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