sop /
aes-kw
| @@ 373-381 (lines=9) @@ | ||
| 370 | * @throws \RuntimeException If encrypt fails |
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| 371 | * @return string |
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| 372 | */ |
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| 373 | protected function _encrypt($kek, $block) { |
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| 374 | $str = openssl_encrypt($block, $this->_cipherMethod(), $kek, |
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| 375 | OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); |
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| 376 | if (false === $str) { |
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| 377 | throw new \RuntimeException( |
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| 378 | "openssl_encrypt() failed: " . $this->_getLastOpenSSLError()); |
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| 379 | } |
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| 380 | return $str; |
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| 381 | } |
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| 382 | ||
| 383 | /** |
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| 384 | * Apply AES-1(K, W) operation (decrypt) to 64 bit block. |
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| @@ 391-399 (lines=9) @@ | ||
| 388 | * @throws \RuntimeException If decrypt fails |
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| 389 | * @return string |
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| 390 | */ |
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| 391 | protected function _decrypt($kek, $block) { |
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| 392 | $str = openssl_decrypt($block, $this->_cipherMethod(), $kek, |
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| 393 | OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); |
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| 394 | if (false === $str) { |
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| 395 | throw new \RuntimeException( |
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| 396 | "openssl_decrypt() failed: " . $this->_getLastOpenSSLError()); |
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| 397 | } |
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| 398 | return $str; |
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| 399 | } |
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| 400 | ||
| 401 | /** |
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| 402 | * Get latest OpenSSL error message. |
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