diff options
Diffstat (limited to 'modules/asm/sha1_sse2/sha160.cpp')
-rw-r--r-- | modules/asm/sha1_sse2/sha160.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/modules/asm/sha1_sse2/sha160.cpp b/modules/asm/sha1_sse2/sha160.cpp new file mode 100644 index 000000000..dfb5fdfe5 --- /dev/null +++ b/modules/asm/sha1_sse2/sha160.cpp @@ -0,0 +1,52 @@ +/************************************************* +* SHA-160 Source File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/sha160.h> +#include <botan/loadstor.h> +#include <botan/bit_ops.h> + +namespace Botan { + +extern "C" void botan_sha1_sse(u32bit[5], const byte[64]); + +/************************************************* +* SHA-160 Compression Function * +*************************************************/ +void SHA_160::hash(const byte input[]) + { + botan_sha1_sse(digest, input); + } + +/************************************************* +* Copy out the digest * +*************************************************/ +void SHA_160::copy_out(byte output[]) + { + for(u32bit j = 0; j != OUTPUT_LENGTH; ++j) + output[j] = get_byte(j % 4, digest[j/4]); + } + +/************************************************* +* Clear memory of sensitive data * +*************************************************/ +void SHA_160::clear() throw() + { + MDx_HashFunction::clear(); + digest[0] = 0x67452301; + digest[1] = 0xEFCDAB89; + digest[2] = 0x98BADCFE; + digest[3] = 0x10325476; + digest[4] = 0xC3D2E1F0; + } + +/************************************************* +* SHA_160 Constructor * +*************************************************/ +SHA_160::SHA_160() : MDx_HashFunction(20, 64, true, true) + { + clear(); + } + +} |