static int pkey_ecd_digestverify25519(EVP_MD_CTX *ctx, const unsigned char *sig,
size_t siglen, const unsigned char *tbs,
size_t tbslen)
{
const ECX_KEY *edkey = EVP_MD_CTX_pkey_ctx(ctx)->pkey->pkey.ecx;
if (siglen != ED25519_SIGSIZE)
return 0;
return ED25519_verify(tbs, tbslen, sig, edkey->pubkey);
}
static int pkey_ed25519_verify_message(EVP_PKEY_CTX *ctx, const uint8_t *sig,
size_t siglen, const uint8_t *tbs,
size_t tbslen) {
ED25519_KEY *key = ctx->pkey->pkey.ptr;
if (siglen != 64 ||
!ED25519_verify(tbs, tbslen, sig, key->key.pub.value)) {
OPENSSL_PUT_ERROR(EVP, EVP_R_INVALID_SIGNATURE);
return 0;
}
return 1;
}