diff options
Diffstat (limited to 'src/modes/cbc/cbc.cpp')
| -rw-r--r-- | src/modes/cbc/cbc.cpp | 70 |
1 files changed, 36 insertions, 34 deletions
diff --git a/src/modes/cbc/cbc.cpp b/src/modes/cbc/cbc.cpp index 2bb2320e6..f26d4d6cf 100644 --- a/src/modes/cbc/cbc.cpp +++ b/src/modes/cbc/cbc.cpp @@ -1,7 +1,9 @@ -/************************************************* -* CBC Mode Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* CBC Mode +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/cbc.h> #include <botan/xor_buf.h> @@ -9,9 +11,9 @@ namespace Botan { -/************************************************* -* CBC Encryption Constructor * -*************************************************/ +/* +* CBC Encryption Constructor +*/ CBC_Encryption::CBC_Encryption(BlockCipher* ciph, BlockCipherModePaddingMethod* pad) : BlockCipherMode(ciph, "CBC", ciph->BLOCK_SIZE), @@ -21,9 +23,9 @@ CBC_Encryption::CBC_Encryption(BlockCipher* ciph, throw Invalid_Block_Size(name(), padder->name()); } -/************************************************* -* CBC Encryption Constructor * -*************************************************/ +/* +* CBC Encryption Constructor +*/ CBC_Encryption::CBC_Encryption(BlockCipher* ciph, BlockCipherModePaddingMethod* pad, const SymmetricKey& key, @@ -37,9 +39,9 @@ CBC_Encryption::CBC_Encryption(BlockCipher* ciph, set_iv(iv); } -/************************************************* -* Encrypt in CBC mode * -*************************************************/ +/* +* Encrypt in CBC mode +*/ void CBC_Encryption::write(const byte input[], u32bit length) { while(length) @@ -58,9 +60,9 @@ void CBC_Encryption::write(const byte input[], u32bit length) } } -/************************************************* -* Finish encrypting in CBC mode * -*************************************************/ +/* +* Finish encrypting in CBC mode +*/ void CBC_Encryption::end_msg() { SecureVector<byte> padding(BLOCK_SIZE); @@ -70,17 +72,17 @@ void CBC_Encryption::end_msg() throw Exception(name() + ": Did not pad to full blocksize"); } -/************************************************* -* Return a CBC mode name * -*************************************************/ +/* +* Return a CBC mode name +*/ std::string CBC_Encryption::name() const { return (cipher->name() + "/" + mode_name + "/" + padder->name()); } -/************************************************* -* CBC Decryption Constructor * -*************************************************/ +/* +* CBC Decryption Constructor +*/ CBC_Decryption::CBC_Decryption(BlockCipher* ciph, BlockCipherModePaddingMethod* pad) : BlockCipherMode(ciph, "CBC", ciph->BLOCK_SIZE), @@ -91,9 +93,9 @@ CBC_Decryption::CBC_Decryption(BlockCipher* ciph, temp.create(BLOCK_SIZE); } -/************************************************* -* CBC Decryption Constructor * -*************************************************/ +/* +* CBC Decryption Constructor +*/ CBC_Decryption::CBC_Decryption(BlockCipher* ciph, BlockCipherModePaddingMethod* pad, const SymmetricKey& key, @@ -108,9 +110,9 @@ CBC_Decryption::CBC_Decryption(BlockCipher* ciph, set_iv(iv); } -/************************************************* -* Decrypt in CBC mode * -*************************************************/ +/* +* Decrypt in CBC mode +*/ void CBC_Decryption::write(const byte input[], u32bit length) { while(length) @@ -131,9 +133,9 @@ void CBC_Decryption::write(const byte input[], u32bit length) } } -/************************************************* -* Finish decrypting in CBC mode * -*************************************************/ +/* +* Finish decrypting in CBC mode +*/ void CBC_Decryption::end_msg() { if(position != BLOCK_SIZE) @@ -145,9 +147,9 @@ void CBC_Decryption::end_msg() position = 0; } -/************************************************* -* Return a CBC mode name * -*************************************************/ +/* +* Return a CBC mode name +*/ std::string CBC_Decryption::name() const { return (cipher->name() + "/" + mode_name + "/" + padder->name()); |