C++ (Cpp) RSA_parse_public_key示例

示例#1

文件： rsa_asn1.c 项目： LiTianjue/etls

RSA *RSA_public_key_from_bytes(const uint8_t *in, size_t in_len) {
  CBS cbs;
  CBS_init(&cbs, in, in_len);
  RSA *ret = RSA_parse_public_key(&cbs);
  if (ret == NULL || CBS_len(&cbs) != 0) {
    OPENSSL_PUT_ERROR(RSA, RSA_R_BAD_ENCODING);
    RSA_free(ret);
    return NULL;
  }
  return ret;
}

示例#2

文件： rsa_asn1.c 项目： LiTianjue/etls

RSA *d2i_RSAPublicKey(RSA **out, const uint8_t **inp, long len) {
  if (len < 0) {
    return NULL;
  }
  CBS cbs;
  CBS_init(&cbs, *inp, (size_t)len);
  RSA *ret = RSA_parse_public_key(&cbs);
  if (ret == NULL) {
    return NULL;
  }
  if (out != NULL) {
    RSA_free(*out);
    *out = ret;
  }
  *inp = CBS_data(&cbs);
  return ret;
}

示例#3

文件： p_rsa_asn1.c 项目： 0x64616E69656C/boringssl

static int rsa_pub_decode(EVP_PKEY *out, CBS *params, CBS *key) {
  // See RFC 3279, section 2.3.1.

  // The parameters must be NULL.
  CBS null;
  if (!CBS_get_asn1(params, &null, CBS_ASN1_NULL) ||
      CBS_len(&null) != 0 ||
      CBS_len(params) != 0) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_DECODE_ERROR);
    return 0;
  }

  RSA *rsa = RSA_parse_public_key(key);
  if (rsa == NULL || CBS_len(key) != 0) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_DECODE_ERROR);
    RSA_free(rsa);
    return 0;
  }

  EVP_PKEY_assign_RSA(out, rsa);
  return 1;
}