diff options
Diffstat (limited to 'docs/hazmat/primitives/mac/cmac.rst')
| -rw-r--r-- | docs/hazmat/primitives/mac/cmac.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/docs/hazmat/primitives/mac/cmac.rst b/docs/hazmat/primitives/mac/cmac.rst index 1fde1398..498b8b1e 100644 --- a/docs/hazmat/primitives/mac/cmac.rst +++ b/docs/hazmat/primitives/mac/cmac.rst @@ -10,8 +10,8 @@ Cipher-based message authentication code import binascii key = binascii.unhexlify(b"0" * 32) -`Cipher-based message authentication codes`_ (or CMACs) are a tool for calculating -message authentication codes using a block cipher coupled with a +`Cipher-based message authentication codes`_ (or CMACs) are a tool for +calculating message authentication codes using a block cipher coupled with a secret key. You can use an CMAC to verify both the integrity and authenticity of a message. @@ -68,6 +68,7 @@ A subset of CMAC with the AES-128 algorithm is described in :rfc:`4493`. :param bytes data: The bytes to hash and authenticate. :raises cryptography.exceptions.AlreadyFinalized: See :meth:`finalize` + :raises TypeError: This exception is raised if ``data`` is not ``bytes``. .. method:: copy() @@ -89,6 +90,8 @@ A subset of CMAC with the AES-128 algorithm is described in :rfc:`4493`. :raises cryptography.exceptions.AlreadyFinalized: See :meth:`finalize` :raises cryptography.exceptions.InvalidSignature: If signature does not match digest + :raises TypeError: This exception is raised if ``signature`` is not + ``bytes``. .. method:: finalize() |