Function MD5Final

md5.c:170–193

MD5 finalization. Ends an MD5 message-digest operation, writing the the message digest and zeroizing the context. unsigned char digest[16] - message digest MD5_CTX *context - context */

  MD5_CTX *context - context
 */
void MD5Final (char digest[16], MD5_CTX *context)
{
  unsigned char bits[8];
  unsigned int index, padLen;

  /* Save number of bits */
  Encode (bits, context->count, 8);

  /* Pad out to 56 mod 64.
*/
  index = (unsigned int)((context->count[0] >> 3) & 0x3f);
  padLen = (index < 56) ? (56 - index) : (120 - index);
  MD5Update (context, (const char *)PADDING, padLen);

  /* Append length (before padding) */
  MD5Update (context, (const char *)bits, 8);

  /* Store state in digest */
  Encode ((unsigned char *)digest, context->state, 16);

  /* Zeroize sensitive information.
*/
  MD5_memset ((POINTER)context, 0, sizeof (*context));
}

/* MD5 basic transformation. Transforms state based on block.
 */