ossl_ecdh_kdf_X9_63
if (!ossl_ecdh_kdf_X9_63(key, *keylen, ktmp, ktmplen,
return ossl_ecdh_kdf_X9_63(out, outlen, Z, Zlen, sinfo, sinfolen, md, NULL,
if (!ossl_ecdh_kdf_X9_63(msg_mask, msg_len, x2y2, 2 * field_size, NULL, 0,
|| !ossl_ecdh_kdf_X9_63(msg_mask, msg_len, x2y2, 2 * field_size,
int ossl_ecdh_kdf_X9_63(unsigned char *out, size_t outlen,
if (!ossl_ecdh_kdf_X9_63(secret, pecdhctx->kdf_outlen,