diff options
Diffstat (limited to 'src/modes/cfb/cfb.cpp')
| -rw-r--r-- | src/modes/cfb/cfb.cpp | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/src/modes/cfb/cfb.cpp b/src/modes/cfb/cfb.cpp index f5eb4cecf..a126bd995 100644 --- a/src/modes/cfb/cfb.cpp +++ b/src/modes/cfb/cfb.cpp @@ -1,7 +1,9 @@ -/************************************************* -* CFB Mode Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* CFB Mode +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/cfb.h> #include <botan/parsing.h> @@ -12,9 +14,9 @@ namespace Botan { namespace { -/************************************************* -* Check the feedback size * -*************************************************/ +/* +* Check the feedback size +*/ void check_feedback(u32bit BLOCK_SIZE, u32bit FEEDBACK_SIZE, u32bit bits, const std::string& name) { @@ -25,9 +27,9 @@ void check_feedback(u32bit BLOCK_SIZE, u32bit FEEDBACK_SIZE, u32bit bits, } -/************************************************* -* CFB Encryption Constructor * -*************************************************/ +/* +* CFB Encryption Constructor +*/ CFB_Encryption::CFB_Encryption(BlockCipher* ciph, u32bit fback_bits) : BlockCipherMode(ciph, "CFB", ciph->BLOCK_SIZE, 1), @@ -36,9 +38,9 @@ CFB_Encryption::CFB_Encryption(BlockCipher* ciph, check_feedback(BLOCK_SIZE, FEEDBACK_SIZE, fback_bits, name()); } -/************************************************* -* CFB Encryption Constructor * -*************************************************/ +/* +* CFB Encryption Constructor +*/ CFB_Encryption::CFB_Encryption(BlockCipher* ciph, const SymmetricKey& key, const InitializationVector& iv, @@ -51,9 +53,9 @@ CFB_Encryption::CFB_Encryption(BlockCipher* ciph, set_iv(iv); } -/************************************************* -* Encrypt data in CFB mode * -*************************************************/ +/* +* Encrypt data in CFB mode +*/ void CFB_Encryption::write(const byte input[], u32bit length) { while(length) @@ -69,9 +71,9 @@ void CFB_Encryption::write(const byte input[], u32bit length) } } -/************************************************* -* Do the feedback * -*************************************************/ +/* +* Do the feedback +*/ void CFB_Encryption::feedback() { for(u32bit j = 0; j != BLOCK_SIZE - FEEDBACK_SIZE; ++j) @@ -81,9 +83,9 @@ void CFB_Encryption::feedback() position = 0; } -/************************************************* -* CFB Decryption Constructor * -*************************************************/ +/* +* CFB Decryption Constructor +*/ CFB_Decryption::CFB_Decryption(BlockCipher* ciph, u32bit fback_bits) : BlockCipherMode(ciph, "CFB", ciph->BLOCK_SIZE, 1), @@ -92,9 +94,9 @@ CFB_Decryption::CFB_Decryption(BlockCipher* ciph, check_feedback(BLOCK_SIZE, FEEDBACK_SIZE, fback_bits, name()); } -/************************************************* -* CFB Decryption Constructor * -*************************************************/ +/* +* CFB Decryption Constructor +*/ CFB_Decryption::CFB_Decryption(BlockCipher* ciph, const SymmetricKey& key, const InitializationVector& iv, @@ -107,9 +109,9 @@ CFB_Decryption::CFB_Decryption(BlockCipher* ciph, set_iv(iv); } -/************************************************* -* Decrypt data in CFB mode * -*************************************************/ +/* +* Decrypt data in CFB mode +*/ void CFB_Decryption::write(const byte input[], u32bit length) { while(length) @@ -126,9 +128,9 @@ void CFB_Decryption::write(const byte input[], u32bit length) } } -/************************************************* -* Do the feedback * -*************************************************/ +/* +* Do the feedback +*/ void CFB_Decryption::feedback() { for(u32bit j = 0; j != BLOCK_SIZE - FEEDBACK_SIZE; ++j) |