-static int pkey_ecd_digestverify(EVP_MD_CTX *ctx, const unsigned char *sig,
- size_t siglen, const unsigned char *tbs,
- size_t tbslen)
+static int pkey_ecd_digestsign448(EVP_MD_CTX *ctx, 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 (sig == NULL) {
+ *siglen = ED448_SIGSIZE;
+ return 1;
+ }
+ if (*siglen < ED448_SIGSIZE) {
+ ECerr(EC_F_PKEY_ECD_DIGESTSIGN448, EC_R_BUFFER_TOO_SMALL);
+ return 0;
+ }
+
+ if (ED448_sign(sig, tbs, tbslen, edkey->pubkey, edkey->privkey, NULL,
+ 0) == 0)
+ return 0;
+ *siglen = ED448_SIGSIZE;
+ return 1;
+}
+
+static int pkey_ecd_digestverify25519(EVP_MD_CTX *ctx, const unsigned char *sig,
+ size_t siglen, const unsigned char *tbs,
+ size_t tbslen)