sop /
aes-kw
| @@ 383-391 (lines=9) @@ | ||
| 380 | * @throws \RuntimeException If encrypt fails |
|
| 381 | * @return string |
|
| 382 | */ |
|
| 383 | protected function _encrypt($kek, $block) { |
|
| 384 | $str = openssl_encrypt($block, $this->_cipherMethod(), $kek, |
|
| 385 | OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); |
|
| 386 | if (false === $str) { |
|
| 387 | throw new \RuntimeException( |
|
| 388 | "openssl_encrypt() failed: " . $this->_getLastOpenSSLError()); |
|
| 389 | } |
|
| 390 | return $str; |
|
| 391 | } |
|
| 392 | ||
| 393 | /** |
|
| 394 | * Apply AES-1(K, W) operation (decrypt) to 64 bit block. |
|
| @@ 401-409 (lines=9) @@ | ||
| 398 | * @throws \RuntimeException If decrypt fails |
|
| 399 | * @return string |
|
| 400 | */ |
|
| 401 | protected function _decrypt($kek, $block) { |
|
| 402 | $str = openssl_decrypt($block, $this->_cipherMethod(), $kek, |
|
| 403 | OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); |
|
| 404 | if (false === $str) { |
|
| 405 | throw new \RuntimeException( |
|
| 406 | "openssl_decrypt() failed: " . $this->_getLastOpenSSLError()); |
|
| 407 | } |
|
| 408 | return $str; |
|
| 409 | } |
|
| 410 | ||
| 411 | /** |
|
| 412 | * Get the latest OpenSSL error message. |
|
