sop /
aes-kw
| @@ 348-356 (lines=9) @@ | ||
| 345 | * @throws \RuntimeException If encrypt fails |
|
| 346 | * @return string |
|
| 347 | */ |
|
| 348 | protected function _encrypt($kek, $block) { |
|
| 349 | $str = openssl_encrypt($block, $this->_cipherMethod(), $kek, |
|
| 350 | OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); |
|
| 351 | if (false === $str) { |
|
| 352 | throw new \RuntimeException( |
|
| 353 | "openssl_encrypt() failed: " . $this->_getLastOpenSSLError()); |
|
| 354 | } |
|
| 355 | return $str; |
|
| 356 | } |
|
| 357 | ||
| 358 | /** |
|
| 359 | * Apply AES-1(K, W) operation (decrypt) to 64 bit block. |
|
| @@ 366-374 (lines=9) @@ | ||
| 363 | * @throws \RuntimeException If decrypt fails |
|
| 364 | * @return string |
|
| 365 | */ |
|
| 366 | protected function _decrypt($kek, $block) { |
|
| 367 | $str = openssl_decrypt($block, $this->_cipherMethod(), $kek, |
|
| 368 | OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); |
|
| 369 | if (false === $str) { |
|
| 370 | throw new \RuntimeException( |
|
| 371 | "openssl_decrypt() failed: " . $this->_getLastOpenSSLError()); |
|
| 372 | } |
|
| 373 | return $str; |
|
| 374 | } |
|
| 375 | ||
| 376 | /** |
|
| 377 | * Get latest OpenSSL error message. |
|
