static CURLcode schannel_sha256sum(const unsigned char *input,
                                   size_t inputlen,
                                   unsigned char *sha256sum,
                                   size_t sha256len)
{
  schannel_checksum(input, inputlen, sha256sum, sha256len,
                    PROV_RSA_AES, CALG_SHA_256);
  return CURLE_OK;
}
static CURLcode schannel_sha256sum(const unsigned char *input,
                                   size_t inputlen,
                                   unsigned char *sha256sum,
                                   size_t sha256len)
{
  schannel_checksum(input, inputlen, sha256sum, sha256len,
                    PROV_RSA_AES, CALG_SHA_256);
  return CURLE_OK;
}