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| author | Alex Gaynor <alex.gaynor@gmail.com> | 2013-11-19 16:52:32 -0800 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2013-11-19 16:52:32 -0800 |
| commit | 707253283ec2921bf76e2c8049eb47388d9da580 (patch) | |
| tree | d114ac4964ad7099a2b9db0e7d536a9eaee42fbe | |
| parent | 9626b5a50460d2f90baa1f1b8c6a09ccc900c178 (diff) | |
| download | cryptography-707253283ec2921bf76e2c8049eb47388d9da580.tar.gz cryptography-707253283ec2921bf76e2c8049eb47388d9da580.tar.bz2 cryptography-707253283ec2921bf76e2c8049eb47388d9da580.zip | |
Implement this for CTR
| -rw-r--r-- | cryptography/hazmat/primitives/ciphers/modes.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/cryptography/hazmat/primitives/ciphers/modes.py b/cryptography/hazmat/primitives/ciphers/modes.py index 597b4e3e..f357dcf7 100644 --- a/cryptography/hazmat/primitives/ciphers/modes.py +++ b/cryptography/hazmat/primitives/ciphers/modes.py @@ -77,3 +77,10 @@ class CTR(object): def __init__(self, nonce): self.nonce = nonce + + + def validate_for_algorithm(self, algorithm): + if len(self.nonce) * 8 != algorithm.block_size: + raise ValueError("Invalid nonce size ({0}) for {1}".format( + len(self.nonce), self.name + )) |