diff options
author | Keith Isdale <keith.isdale@nokia.com> | 2010-07-26 14:56:53 +1000 |
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committer | Keith Isdale <keith.isdale@nokia.com> | 2010-07-26 14:56:53 +1000 |
commit | 9f034793bcfc51c2b7c1dd14db806f7258f9a9eb (patch) | |
tree | 63bd0f50ce5b77828ad8205eafd7b9412810499e /botan/src/block/des/desx.cpp | |
parent | 619d92cfef29e653bfdf852e83888e50cfc4348f (diff) | |
parent | 65271649dbc90f3af1184ad1b23bdb64c0c07d07 (diff) |
Merge branch 'master' of git://git-nokia.trolltech.com.au/qtsoftware/research/qtuitest
Diffstat (limited to 'botan/src/block/des/desx.cpp')
-rw-r--r-- | botan/src/block/des/desx.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/botan/src/block/des/desx.cpp b/botan/src/block/des/desx.cpp new file mode 100644 index 0000000..e557901 --- /dev/null +++ b/botan/src/block/des/desx.cpp @@ -0,0 +1,43 @@ +/* +* DES +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#include <botan/desx.h> +#include <botan/xor_buf.h> + +namespace Botan { + +/* +* DESX Encryption +*/ +void DESX::enc(const byte in[], byte out[]) const + { + xor_buf(out, in, K1.begin(), BLOCK_SIZE); + des.encrypt(out); + xor_buf(out, K2.begin(), BLOCK_SIZE); + } + +/* +* DESX Decryption +*/ +void DESX::dec(const byte in[], byte out[]) const + { + xor_buf(out, in, K2.begin(), BLOCK_SIZE); + des.decrypt(out); + xor_buf(out, K1.begin(), BLOCK_SIZE); + } + +/* +* DESX Key Schedule +*/ +void DESX::key_schedule(const byte key[], u32bit) + { + K1.copy(key, 8); + des.set_key(key + 8, 8); + K2.copy(key + 16, 8); + } + +} |