diff options
Diffstat (limited to 'lib/Crypto/Cipher/Blowfish.py')
| -rw-r--r-- | lib/Crypto/Cipher/Blowfish.py | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/Crypto/Cipher/Blowfish.py b/lib/Crypto/Cipher/Blowfish.py index f060689..3f12bea 100644 --- a/lib/Crypto/Cipher/Blowfish.py +++ b/lib/Crypto/Cipher/Blowfish.py @@ -77,8 +77,16 @@ def new(key, *args, **kwargs): Default is `MODE_ECB`. IV : byte string The initialization vector to use for encryption or decryption. - It must be `block_size` bytes longs. Ignored for `MODE_ECB` - and `MODE_CTR`. The default value is all zeroes. + + It is ignored for `MODE_ECB` and `MODE_CTR`. + + For `MODE_OPENPGP`, IV must be `block_size` bytes long for encryption + and `block_size` +2 bytes for decryption (in the latter case, it is + actually the *encrypted* IV which was prefixed to the ciphertext). + It is mandatory. + + For all other modes, it must be `block_size` bytes longs. It is optional and + when not present it will be given a default value of all zeroes. counter : callable (*Only* `MODE_CTR`). A stateful function that returns the next *counter block*, which is a byte string of `block_size` bytes. @@ -104,6 +112,8 @@ MODE_PGP = 4 MODE_OFB = 5 #: CounTer Mode (CTR). See `blockalgo.MODE_CTR`. MODE_CTR = 6 +#: OpenPGP Mode. See `blockalgo.MODE_OPENPGP`. +MODE_OPENPGP = 7 #: Size of a data block (in bytes) block_size = 8 #: Size of a key (in bytes) |