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/*************************************************
* MD5 Source File *
* (C) 1999-2007 The Botan Project *
*************************************************/
#include <botan/md5.h>
#include <botan/bit_ops.h>
namespace Botan {
extern "C" void md5_core(u32bit[4], const byte[64], u32bit[16]);
/*************************************************
* MD5 Compression Function *
*************************************************/
void MD5::hash(const byte input[])
{
md5_core(digest, input, M);
}
/*************************************************
* Copy out the digest *
*************************************************/
void MD5::copy_out(byte output[])
{
for(u32bit j = 0; j != OUTPUT_LENGTH; ++j)
output[j] = get_byte(3 - (j % 4), digest[j/4]);
}
/*************************************************
* Clear memory of sensitive data *
*************************************************/
void MD5::clear() throw()
{
MDx_HashFunction::clear();
M.clear();
digest[0] = 0x67452301;
digest[1] = 0xEFCDAB89;
digest[2] = 0x98BADCFE;
digest[3] = 0x10325476;
}
}
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