* Signs the input using the HMAC algorithm using the * provided key. * * Arguments: * @key : The secret/key to use for the signing. * Cannot be empty string. * @data : The data to be signed. * * Exceptions: * Any allocation failure will result in jwt::MemoryAllocationException * being thrown. */
| 349 | * being thrown. |
| 350 | */ |
| 351 | static sign_result_t sign(const jwt::string_view key, const jwt::string_view data) |
| 352 | { |
| 353 | std::string sign; |
| 354 | sign.resize(EVP_MAX_MD_SIZE); |
| 355 | std::error_code ec{}; |
| 356 | |
| 357 | uint32_t len = 0; |
| 358 | |
| 359 | unsigned char* res = HMAC(Hasher{}(), |
| 360 | key.data(), |
| 361 | static_cast<int>(key.length()), |
| 362 | reinterpret_cast<const unsigned char*>(data.data()), |
| 363 | data.length(), |
| 364 | reinterpret_cast<unsigned char*>(&sign[0]), |
| 365 | &len); |
| 366 | if (!res) { |
| 367 | ec = AlgorithmErrc::SigningErr; |
| 368 | } |
| 369 | |
| 370 | sign.resize(len); |
| 371 | return { std::move(sign), ec }; |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * Verifies the JWT string against the signature using |