C++ (Cpp) ED25519_sign Examples

Example #1

File: p_ed25519.c Project: ThomasWo/proto-quic

static int pkey_ed25519_sign_message(EVP_PKEY_CTX *ctx, uint8_t *sig,
                                     size_t *siglen, const uint8_t *tbs,
                                     size_t tbslen) {
  ED25519_KEY *key = ctx->pkey->pkey.ptr;
  if (!key->has_private) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_NOT_A_PRIVATE_KEY);
    return 0;
  }

  *siglen = 64;
  if (sig == NULL) {
    return 1;
  }

  return ED25519_sign(sig, tbs, tbslen, key->key.priv);
}

Example #2

File: ecx_meth.c Project: EiffelSoftware/EiffelStudio

static int pkey_ecd_digestsign25519(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 = ED25519_SIGSIZE;
        return 1;
    }
    if (*siglen < ED25519_SIGSIZE) {
        ECerr(EC_F_PKEY_ECD_DIGESTSIGN25519, EC_R_BUFFER_TOO_SMALL);
        return 0;
    }

    if (ED25519_sign(sig, tbs, tbslen, edkey->pubkey, edkey->privkey) == 0)
        return 0;
    *siglen = ED25519_SIGSIZE;
    return 1;
}