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/*************************************************
* SHA-160 (IA-32) Source File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#include <botan/sha1_ia32.h>
#include <botan/loadstor.h>
namespace Botan {
namespace {
extern "C"
void botan_sha160_ia32_compress(u32bit[5], const byte[64], u32bit[81]);
}
/*************************************************
* SHA-160 Compression Function *
*************************************************/
void SHA_160_IA32::hash(const byte input[])
{
botan_sha160_ia32_compress(digest, input, W);
}
/*************************************************
* Copy out the digest *
*************************************************/
void SHA_160_IA32::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_IA32::clear() throw()
{
MDx_HashFunction::clear();
W.clear();
digest[0] = 0x67452301;
digest[1] = 0xEFCDAB89;
digest[2] = 0x98BADCFE;
digest[3] = 0x10325476;
digest[4] = 0xC3D2E1F0;
}
}
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