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| author | Paul Kehrer <paul.l.kehrer@gmail.com> | 2014-01-20 15:05:27 -0600 |
|---|---|---|
| committer | Paul Kehrer <paul.l.kehrer@gmail.com> | 2014-01-20 15:05:27 -0600 |
| commit | 81a68fc96d0845f5ee812665405276a935d05a79 (patch) | |
| tree | 0478a737c0db71df5bee8f1b02d2a89713590867 /docs/hazmat/primitives/symmetric-encryption.rst | |
| parent | 74169660e47b760f82c0653b4210b3bc5d3bf46b (diff) | |
| parent | 78456c71627d9234a4668ce2fb36e12525cae6b1 (diff) | |
| download | cryptography-81a68fc96d0845f5ee812665405276a935d05a79.tar.gz cryptography-81a68fc96d0845f5ee812665405276a935d05a79.tar.bz2 cryptography-81a68fc96d0845f5ee812665405276a935d05a79.zip | |
Merge branch 'master' into urandom-engine
* master: (58 commits)
Moar backtick.
Add to changelog.
move some dashes around :)
experiment to disable duplicate cc test runs on osx and speed up travis
Remove register_cipher_adapter from the interface and the documentation.
expand tox backend example
On OS X at build time compile the CC bindings
remove an extraneous linefeed
reformat bindings and remove GCM for the moment
add cipher bindings for CommonCrypto
doc updates
hmac support for commoncrypto
added versionadded
changelog to note addition of commoncrypto backend with hash support
fix docs
doc updates
update docs for name attribute
fix copy mistake in docs
increase indent and note the value of the attribute in the docs
move HashMethods to top level
...
Diffstat (limited to 'docs/hazmat/primitives/symmetric-encryption.rst')
| -rw-r--r-- | docs/hazmat/primitives/symmetric-encryption.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst index 83165690..7d954046 100644 --- a/docs/hazmat/primitives/symmetric-encryption.rst +++ b/docs/hazmat/primitives/symmetric-encryption.rst @@ -324,6 +324,11 @@ Modes return (iv, ciphertext, encryptor.tag) def decrypt(key, associated_data, iv, ciphertext, tag): + if len(tag) != 16: + raise ValueError( + "tag must be 16 bytes -- truncation not supported" + ) + # Construct a Cipher object, with the key, iv, and additionally the # GCM tag used for authenticating the message. decryptor = Cipher( |