diff options
Diffstat (limited to 'src/hash/sha1_sse2/sha1_sse2.cpp')
-rw-r--r-- | src/hash/sha1_sse2/sha1_sse2.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/hash/sha1_sse2/sha1_sse2.cpp b/src/hash/sha1_sse2/sha1_sse2.cpp new file mode 100644 index 000000000..df7f2277c --- /dev/null +++ b/src/hash/sha1_sse2/sha1_sse2.cpp @@ -0,0 +1,44 @@ +/************************************************* +* SHA-160 (SSE2) Source File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/sha1_sse2.h> +#include <botan/loadstor.h> +#include <botan/bit_ops.h> + +namespace Botan { + +extern "C" void botan_sha1_sse2_compress(u32bit[5], const byte[64]); + +/************************************************* +* SHA-160 Compression Function * +*************************************************/ +void SHA_160_SSE2::hash(const byte input[]) + { + botan_sha1_sse2_compress(digest, input); + } + +/************************************************* +* Copy out the digest * +*************************************************/ +void SHA_160_SSE2::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_SSE2::clear() throw() + { + MDx_HashFunction::clear(); + digest[0] = 0x67452301; + digest[1] = 0xEFCDAB89; + digest[2] = 0x98BADCFE; + digest[3] = 0x10325476; + digest[4] = 0xC3D2E1F0; + } + +} |