Method sign

include/jwt/algorithm.hpp:481–500

* Signs the input data using PEM encryption algorithm. * * Arguments: * @key : The key/secret to be used for signing. * Cannot be an empty string. * @data: The data to be signed. * * Exceptions: * Any allocation failure would be thrown out as * jwt::MemoryAllocationException. */

   *  jwt::MemoryAllocationException.
   */
  static sign_result_t sign(const jwt::string_view key, const jwt::string_view data)
  {
    std::error_code ec{};

    std::string ii{data.data(), data.length()};

    EC_PKEY_uptr pkey{load_key(key, ec), ev_pkey_deletor};
    if (ec) return { std::string{}, ec };

    //TODO: Use stack string here ?
    std::string sign = evp_digest(pkey.get(), data, ec);

    if (ec) return { std::string{}, ec };

    if (Hasher::type == EVP_PKEY_EC) {
      sign = public_key_ser(pkey.get(), sign, ec);
    }

    return { std::move(sign), ec };
  }

  /**
   */