Function MD5_Update

lib/mdflib/mdflib/src/cryptoutil.cpp:167–195

}

void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size) {
  MD5_u32 saved_lo;
  unsigned long used, free;

  saved_lo = ctx->lo;
  if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) ctx->hi++;
  ctx->hi += size >> 29;
  used = saved_lo & 0x3f;

  if (used) {
    free = 64 - used;
    if (size < free) {
      memcpy(&ctx->buffer[used], data, size);
      return;
    }

    memcpy(&ctx->buffer[used], data, free);
    data = (unsigned char *)data + free;
    size -= free;
    body(ctx, ctx->buffer, 64);
  }

  if (size >= 64) {
    data = body(ctx, data, size & ~(unsigned long)0x3f);
    size &= 0x3f;
  }

  memcpy(ctx->buffer, data, size);
}

void MD5_Final(unsigned char *result, MD5_CTX *ctx) {
  unsigned long used, free;