--- /dev/null
+<?php
+
+/*
+ * PHP Encryption Library
+ * Copyright (c) 2014, Taylor Hornby
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Web: https://defuse.ca/secure-php-encryption.htm
+ * GitHub: https://github.com/defuse/php-encryption
+ *
+ * WARNING: This encryption library is not a silver bullet. It only provides
+ * symmetric encryption given a uniformly random key. This means you MUST NOT
+ * use an ASCII string like a password as the key parameter, it MUST be
+ * a uniformly random key generated by CreateNewRandomKey(). If you want to
+ * encrypt something with a password, apply a password key derivation function
+ * like PBKDF2 or scrypt with a random salt to generate a key.
+ *
+ * WARNING: Error handling is very important, especially for crypto code!
+ *
+ * How to use this code:
+ *
+ * Generating a Key
+ * ----------------
+ * try {
+ * $key = self::CreateNewRandomKey();
+ * // WARNING: Do NOT encode $key with bin2hex() or base64_encode(),
+ * // they may leak the key to the attacker through side channels.
+ * } catch (CryptoTestFailedException $ex) {
+ * die('Cannot safely create a key');
+ * } catch (CannotPerformOperationException $ex) {
+ * die('Cannot safely create a key');
+ * }
+ *
+ * Encrypting a Message
+ * --------------------
+ * $message = "ATTACK AT DAWN";
+ * try {
+ * $ciphertext = self::Encrypt($message, $key);
+ * } catch (CryptoTestFailedException $ex) {
+ * die('Cannot safely perform encryption');
+ * } catch (CannotPerformOperationException $ex) {
+ * die('Cannot safely perform decryption');
+ * }
+ *
+ * Decrypting a Message
+ * --------------------
+ * try {
+ * $decrypted = self::Decrypt($ciphertext, $key);
+ * } catch (InvalidCiphertextException $ex) { // VERY IMPORTANT
+ * // Either:
+ * // 1. The ciphertext was modified by the attacker,
+ * // 2. The key is wrong, or
+ * // 3. $ciphertext is not a valid ciphertext or was corrupted.
+ * // Assume the worst.
+ * die('DANGER! DANGER! The ciphertext has been tampered with!');
+ * } catch (CryptoTestFailedException $ex) {
+ * die('Cannot safely perform encryption');
+ * } catch (CannotPerformOperationException $ex) {
+ * die('Cannot safely perform decryption');
+ * }
+ */
+
+/*
+ * Raised by Decrypt() when one of the following conditions are met:
+ * - The key is wrong.
+ * - The ciphertext is invalid or not in the correct format.
+ * - The attacker modified the ciphertext.
+ */
+class InvalidCiphertextException extends Exception {}
+/* If you see these, it means it is NOT SAFE to do encryption on your system. */
+class CannotPerformOperationException extends Exception {}
+class CryptoTestFailedException extends Exception {}
+
+final class Crypto
+{
+ // Ciphertext format: [____HMAC____][____IV____][____CIPHERTEXT____].
+
+ /* DO NOT CHANGE THESE CONSTANTS!
+ *
+ * We spent *weeks* testing this code, making sure it is as perfect and
+ * correct as possible. Are you going to do the same after making your
+ * changes? Probably not. Besides, any change to these constants will break
+ * the runtime tests, which are extremely important for your security.
+ * You're literally millions of times more likely to screw up your own
+ * security by changing something here than you are to fall victim to an
+ * 128-bit key brute-force attack. You're also breaking your own
+ * compatibility with future updates to this library, so you'll be left
+ * vulnerable if we ever find a security bug and release a fix.
+ *
+ * So, PLEASE, do not change these constants.
+ */
+ const CIPHER = 'aes-128';
+ const KEY_BYTE_SIZE = 16;
+ const CIPHER_MODE = 'cbc';
+ const HASH_FUNCTION = 'sha256';
+ const MAC_BYTE_SIZE = 32;
+ const ENCRYPTION_INFO = 'DefusePHP|KeyForEncryption';
+ const AUTHENTICATION_INFO = 'DefusePHP|KeyForAuthentication';
+
+ /*
+ * Use this to generate a random encryption key.
+ */
+ public static function CreateNewRandomKey()
+ {
+ self::RuntimeTest();
+ return self::SecureRandom(self::KEY_BYTE_SIZE);
+ }
+
+ /*
+ * Encrypts a message.
+ * $plaintext is the message to encrypt.
+ * $key is the encryption key, a value generated by CreateNewRandomKey().
+ * You MUST catch exceptions thrown by this function. See docs above.
+ */
+ public static function Encrypt($plaintext, $key)
+ {
+ self::RuntimeTest();
+
+ if (self::our_strlen($key) !== self::KEY_BYTE_SIZE)
+ {
+ throw new CannotPerformOperationException("Bad key.");
+ }
+
+ $method = self::CIPHER.'-'.self::CIPHER_MODE;
+
+ self::EnsureFunctionExists('openssl_get_cipher_methods');
+ if (in_array($method, openssl_get_cipher_methods()) === FALSE) {
+ throw new CannotPerformOperationException("Cipher method not supported.");
+ }
+
+ // Generate a sub-key for encryption.
+ $keysize = self::KEY_BYTE_SIZE;
+ $ekey = self::HKDF(self::HASH_FUNCTION, $key, $keysize, self::ENCRYPTION_INFO);
+
+ // Generate a random initialization vector.
+ self::EnsureFunctionExists("openssl_cipher_iv_length");
+ $ivsize = openssl_cipher_iv_length($method);
+ if ($ivsize === FALSE || $ivsize <= 0) {
+ throw new CannotPerformOperationException();
+ }
+ $iv = self::SecureRandom($ivsize);
+
+ $ciphertext = $iv . self::PlainEncrypt($plaintext, $ekey, $iv);
+
+ // Generate a sub-key for authentication and apply the HMAC.
+ $akey = self::HKDF(self::HASH_FUNCTION, $key, self::KEY_BYTE_SIZE, self::AUTHENTICATION_INFO);
+ $auth = hash_hmac(self::HASH_FUNCTION, $ciphertext, $akey, true);
+ $ciphertext = $auth . $ciphertext;
+
+ return $ciphertext;
+ }
+
+ /*
+ * Decrypts a ciphertext.
+ * $ciphertext is the ciphertext to decrypt.
+ * $key is the key that the ciphertext was encrypted with.
+ * You MUST catch exceptions thrown by this function. See docs above.
+ */
+ public static function Decrypt($ciphertext, $key)
+ {
+ self::RuntimeTest();
+
+ $method = self::CIPHER.'-'.self::CIPHER_MODE;
+
+ self::EnsureFunctionExists('openssl_get_cipher_methods');
+ if (in_array($method, openssl_get_cipher_methods()) === FALSE) {
+ throw new CannotPerformOperationException("Cipher method not supported.");
+ }
+
+ // Extract the HMAC from the front of the ciphertext.
+ if (self::our_strlen($ciphertext) <= self::MAC_BYTE_SIZE) {
+ throw new InvalidCiphertextException();
+ }
+ $hmac = self::our_substr($ciphertext, 0, self::MAC_BYTE_SIZE);
+ if ($hmac === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+ $ciphertext = self::our_substr($ciphertext, self::MAC_BYTE_SIZE);
+ if ($ciphertext === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+
+ // Regenerate the same authentication sub-key.
+ $akey = self::HKDF(self::HASH_FUNCTION, $key, self::KEY_BYTE_SIZE, self::AUTHENTICATION_INFO);
+
+ if (self::VerifyHMAC($hmac, $ciphertext, $akey))
+ {
+ // Regenerate the same encryption sub-key.
+ $keysize = self::KEY_BYTE_SIZE;
+ $ekey = self::HKDF(self::HASH_FUNCTION, $key, $keysize, self::ENCRYPTION_INFO);
+
+ // Extract the initialization vector from the ciphertext.
+ self::EnsureFunctionExists("openssl_cipher_iv_length");
+ $ivsize = openssl_cipher_iv_length($method);
+ if ($ivsize === FALSE || $ivsize <= 0) {
+ throw new CannotPerformOperationException();
+ }
+ if (self::our_strlen($ciphertext) <= $ivsize) {
+ throw new InvalidCiphertextException();
+ }
+ $iv = self::our_substr($ciphertext, 0, $ivsize);
+ if ($iv === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+ $ciphertext = self::our_substr($ciphertext, $ivsize);
+ if ($ciphertext === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+
+ $plaintext = self::PlainDecrypt($ciphertext, $ekey, $iv);
+
+ return $plaintext;
+ }
+ else
+ {
+ /*
+ * We throw an exception instead of returning FALSE because we want
+ * a script that doesn't handle this condition to CRASH, instead
+ * of thinking the ciphertext decrypted to the value FALSE.
+ */
+ throw new InvalidCiphertextException();
+ }
+ }
+
+ /*
+ * Runs tests.
+ * Raises CannotPerformOperationException or CryptoTestFailedException if
+ * one of the tests fail. If any tests fails, your system is not capable of
+ * performing encryption, so make sure you fail safe in that case.
+ */
+ public static function RuntimeTest()
+ {
+ // 0: Tests haven't been run yet.
+ // 1: Tests have passed.
+ // 2: Tests are running right now.
+ // 3: Tests have failed.
+ static $test_state = 0;
+
+ if ($test_state === 1 || $test_state === 2) {
+ return;
+ }
+
+ try {
+ $test_state = 2;
+ self::AESTestVector();
+ self::HMACTestVector();
+ self::HKDFTestVector();
+
+ self::TestEncryptDecrypt();
+ if (self::our_strlen(self::CreateNewRandomKey()) != self::KEY_BYTE_SIZE) {
+ throw new CryptoTestFailedException();
+ }
+
+ if (self::ENCRYPTION_INFO == self::AUTHENTICATION_INFO) {
+ throw new CryptoTestFailedException();
+ }
+ } catch (CryptoTestFailedException $ex) {
+ // Do this, otherwise it will stay in the "tests are running" state.
+ $test_state = 3;
+ throw $ex;
+ }
+
+ // Change this to '0' make the tests always re-run (for benchmarking).
+ $test_state = 1;
+ }
+
+ /*
+ * Never call this method directly!
+ */
+ private static function PlainEncrypt($plaintext, $key, $iv)
+ {
+
+ $method = self::CIPHER.'-'.self::CIPHER_MODE;
+
+ self::EnsureConstantExists("OPENSSL_RAW_DATA");
+ self::EnsureFunctionExists("openssl_encrypt");
+ $ciphertext = openssl_encrypt(
+ $plaintext,
+ $method,
+ $key,
+ OPENSSL_RAW_DATA,
+ $iv
+ );
+
+ if ($ciphertext === false) {
+ throw new CannotPerformOperationException();
+ }
+
+ return $ciphertext;
+ }
+
+ /*
+ * Never call this method directly!
+ */
+ private static function PlainDecrypt($ciphertext, $key, $iv)
+ {
+
+ $method = self::CIPHER.'-'.self::CIPHER_MODE;
+
+ self::EnsureConstantExists("OPENSSL_RAW_DATA");
+ self::EnsureFunctionExists("openssl_encrypt");
+ $plaintext = openssl_decrypt(
+ $ciphertext,
+ $method,
+ $key,
+ OPENSSL_RAW_DATA,
+ $iv
+ );
+ if ($plaintext === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+
+ return $plaintext;
+ }
+
+ /*
+ * Returns a random binary string of length $octets bytes.
+ */
+ private static function SecureRandom($octets)
+ {
+ self::EnsureFunctionExists("mcrypt_create_iv");
+ $random = mcrypt_create_iv($octets, MCRYPT_DEV_URANDOM);
+ if ($random === FALSE) {
+ throw new CannotPerformOperationException();
+ } else {
+ return $random;
+ }
+ }
+
+ /*
+ * Use HKDF to derive multiple keys from one.
+ * http://tools.ietf.org/html/rfc5869
+ */
+ private static function HKDF($hash, $ikm, $length, $info = '', $salt = NULL)
+ {
+ // Find the correct digest length as quickly as we can.
+ $digest_length = self::MAC_BYTE_SIZE;
+ if ($hash != self::HASH_FUNCTION) {
+ $digest_length = self::our_strlen(hash_hmac($hash, '', '', true));
+ }
+
+ // Sanity-check the desired output length.
+ if (empty($length) || !is_int($length) ||
+ $length < 0 || $length > 255 * $digest_length) {
+ throw new CannotPerformOperationException();
+ }
+
+ // "if [salt] not provided, is set to a string of HashLen zeroes."
+ if (is_null($salt)) {
+ $salt = str_repeat("\x00", $digest_length);
+ }
+
+ // HKDF-Extract:
+ // PRK = HMAC-Hash(salt, IKM)
+ // The salt is the HMAC key.
+ $prk = hash_hmac($hash, $ikm, $salt, true);
+
+ // HKDF-Expand:
+
+ // This check is useless, but it serves as a reminder to the spec.
+ if (self::our_strlen($prk) < $digest_length) {
+ throw new CannotPerformOperationException();
+ }
+
+ // T(0) = ''
+ $t = '';
+ $last_block = '';
+ for ($block_index = 1; self::our_strlen($t) < $length; $block_index++) {
+ // T(i) = HMAC-Hash(PRK, T(i-1) | info | 0x??)
+ $last_block = hash_hmac(
+ $hash,
+ $last_block . $info . chr($block_index),
+ $prk,
+ true
+ );
+ // T = T(1) | T(2) | T(3) | ... | T(N)
+ $t .= $last_block;
+ }
+
+ // ORM = first L octets of T
+ $orm = self::our_substr($t, 0, $length);
+ if ($orm === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+ return $orm;
+ }
+
+ private static function VerifyHMAC($correct_hmac, $message, $key)
+ {
+ $message_hmac = hash_hmac(self::HASH_FUNCTION, $message, $key, true);
+
+ // We can't just compare the strings with '==', since it would make
+ // timing attacks possible. We could use the XOR-OR constant-time
+ // comparison algorithm, but I'm not sure if that's good enough way up
+ // here in an interpreted language. So we use the method of HMACing the
+ // strings we want to compare with a random key, then comparing those.
+
+ // NOTE: This leaks information when the strings are not the same
+ // length, but they should always be the same length here. Enforce it:
+ if (self::our_strlen($correct_hmac) !== self::our_strlen($message_hmac)) {
+ throw new CannotPerformOperationException();
+ }
+
+ $blind = self::CreateNewRandomKey();
+ $message_compare = hash_hmac(self::HASH_FUNCTION, $message_hmac, $blind);
+ $correct_compare = hash_hmac(self::HASH_FUNCTION, $correct_hmac, $blind);
+ return $correct_compare === $message_compare;
+ }
+
+ private static function TestEncryptDecrypt()
+ {
+ $key = self::CreateNewRandomKey();
+ $data = "EnCrYpT EvErYThInG\x00\x00";
+
+ // Make sure encrypting then decrypting doesn't change the message.
+ $ciphertext = self::Encrypt($data, $key);
+ try {
+ $decrypted = self::Decrypt($ciphertext, $key);
+ } catch (InvalidCiphertextException $ex) {
+ // It's important to catch this and change it into a
+ // CryptoTestFailedException, otherwise a test failure could trick
+ // the user into thinking it's just an invalid ciphertext!
+ throw new CryptoTestFailedException();
+ }
+ if($decrypted !== $data)
+ {
+ throw new CryptoTestFailedException();
+ }
+
+ // Modifying the ciphertext: Appending a string.
+ try {
+ self::Decrypt($ciphertext . "a", $key);
+ throw new CryptoTestFailedException();
+ } catch (InvalidCiphertextException $e) { /* expected */ }
+
+ // Modifying the ciphertext: Changing an IV byte.
+ try {
+ $ciphertext[0] = chr((ord($ciphertext[0]) + 1) % 256);
+ self::Decrypt($ciphertext, $key);
+ throw new CryptoTestFailedException();
+ } catch (InvalidCiphertextException $e) { /* expected */ }
+
+ // Decrypting with the wrong key.
+ $key = self::CreateNewRandomKey();
+ $data = "abcdef";
+ $ciphertext = self::Encrypt($data, $key);
+ $wrong_key = self::CreateNewRandomKey();
+ try {
+ self::Decrypt($ciphertext, $wrong_key);
+ throw new CryptoTestFailedException();
+ } catch (InvalidCiphertextException $e) { /* expected */ }
+
+ // Ciphertext too small (shorter than HMAC).
+ $key = self::CreateNewRandomKey();
+ $ciphertext = str_repeat("A", self::MAC_BYTE_SIZE - 1);
+ try {
+ self::Decrypt($ciphertext, $key);
+ throw new CryptoTestFailedException();
+ } catch (InvalidCiphertextException $e) { /* expected */ }
+ }
+
+ private static function HKDFTestVector()
+ {
+ // HKDF test vectors from RFC 5869
+
+ // Test Case 1
+ $ikm = str_repeat("\x0b", 22);
+ $salt = self::hexToBytes("000102030405060708090a0b0c");
+ $info = self::hexToBytes("f0f1f2f3f4f5f6f7f8f9");
+ $length = 42;
+ $okm = self::hexToBytes(
+ "3cb25f25faacd57a90434f64d0362f2a" .
+ "2d2d0a90cf1a5a4c5db02d56ecc4c5bf" .
+ "34007208d5b887185865"
+ );
+ $computed_okm = self::HKDF("sha256", $ikm, $length, $info, $salt);
+ if ($computed_okm !== $okm) {
+ throw new CryptoTestFailedException();
+ }
+
+ // Test Case 7
+ $ikm = str_repeat("\x0c", 22);
+ $length = 42;
+ $okm = self::hexToBytes(
+ "2c91117204d745f3500d636a62f64f0a" .
+ "b3bae548aa53d423b0d1f27ebba6f5e5" .
+ "673a081d70cce7acfc48"
+ );
+ $computed_okm = self::HKDF("sha1", $ikm, $length);
+ if ($computed_okm !== $okm) {
+ throw new CryptoTestFailedException();
+ }
+
+ }
+
+ private static function HMACTestVector()
+ {
+ // HMAC test vector From RFC 4231 (Test Case 1)
+ $key = str_repeat("\x0b", 20);
+ $data = "Hi There";
+ $correct = "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7";
+ if (hash_hmac(self::HASH_FUNCTION, $data, $key) != $correct) {
+ throw new CryptoTestFailedException();
+ }
+ }
+
+ private static function AESTestVector()
+ {
+ // AES CBC mode test vector from NIST SP 800-38A
+ $key = self::hexToBytes("2b7e151628aed2a6abf7158809cf4f3c");
+ $iv = self::hexToBytes("000102030405060708090a0b0c0d0e0f");
+ $plaintext = self::hexToBytes(
+ "6bc1bee22e409f96e93d7e117393172a" .
+ "ae2d8a571e03ac9c9eb76fac45af8e51" .
+ "30c81c46a35ce411e5fbc1191a0a52ef" .
+ "f69f2445df4f9b17ad2b417be66c3710"
+ );
+ $ciphertext = self::hexToBytes(
+ "7649abac8119b246cee98e9b12e9197d" .
+ "5086cb9b507219ee95db113a917678b2" .
+ "73bed6b8e3c1743b7116e69e22229516" .
+ "3ff1caa1681fac09120eca307586e1a7" .
+ /* Block due to padding. Not from NIST test vector.
+ Padding Block: 10101010101010101010101010101010
+ Ciphertext: 3ff1caa1681fac09120eca307586e1a7
+ (+) 2fe1dab1780fbc19021eda206596f1b7
+ AES 8cb82807230e1321d3fae00d18cc2012
+
+ */
+ "8cb82807230e1321d3fae00d18cc2012"
+ );
+
+ $computed_ciphertext = self::PlainEncrypt($plaintext, $key, $iv);
+ if ($computed_ciphertext !== $ciphertext) {
+ throw new CryptoTestFailedException();
+ }
+
+ $computed_plaintext = self::PlainDecrypt($ciphertext, $key, $iv);
+ if ($computed_plaintext !== $plaintext) {
+ throw new CryptoTestFailedException();
+ }
+ }
+
+ /* WARNING: Do not call this function on secrets. It creates side channels. */
+ private static function hexToBytes($hex_string)
+ {
+ return pack("H*", $hex_string);
+ }
+
+ private static function EnsureConstantExists($name)
+ {
+ if (!defined($name)) {
+ throw new CannotPerformOperationException();
+ }
+ }
+
+ private static function EnsureFunctionExists($name)
+ {
+ if (!function_exists($name)) {
+ throw new CannotPerformOperationException();
+ }
+ }
+
+ /*
+ * We need these strlen() and substr() functions because when
+ * 'mbstring.func_overload' is set in php.ini, the standard strlen() and
+ * substr() are replaced by mb_strlen() and mb_substr().
+ */
+
+ private static function our_strlen($str)
+ {
+ if (function_exists('mb_strlen')) {
+ $length = mb_strlen($str, '8bit');
+ if ($length === FALSE) {
+ throw new CannotPerformOperationException();
+ }
+ return $length;
+ } else {
+ return strlen($str);
+ }
+ }
+
+ private static function our_substr($str, $start, $length = NULL)
+ {
+ if (function_exists('mb_substr'))
+ {
+ // mb_substr($str, 0, NULL, '8bit') returns an empty string on PHP
+ // 5.3, so we have to find the length ourselves.
+ if (!isset($length)) {
+ if ($start >= 0) {
+ $length = self::our_strlen($str) - $start;
+ } else {
+ $length = -$start;
+ }
+ }
+
+ return mb_substr($str, $start, $length, '8bit');
+ }
+
+ // Unlike mb_substr(), substr() doesn't accept NULL for length
+ if (isset($length)) {
+ return substr($str, $start, $length);
+ } else {
+ return substr($str, $start);
+ }
+ }
+
+}
+
+/*
+ * We want to catch all uncaught exceptions that come from the Crypto class,
+ * since by default, PHP will leak the key in the stack trace from an uncaught
+ * exception. This is a really ugly hack, but I think it's justified.
+ *
+ * Everything up to handler() getting called should be reliable, so this should
+ * reliably suppress the stack traces. The rest is just a bonus so that we don't
+ * make it impossible to debug other exceptions.
+ *
+ * This bit of code was adapted from: http://stackoverflow.com/a/7939492
+ */
+
+class CryptoExceptionHandler
+{
+ private $rethrow = NULL;
+
+ public function __construct()
+ {
+ set_exception_handler(array($this, "handler"));
+ }
+
+ public function handler($ex)
+ {
+ if (
+ $ex instanceof InvalidCiphertextException ||
+ $ex instanceof CannotPerformOperationException ||
+ $ex instanceof CryptoTestFailedException
+ ) {
+ echo "FATAL ERROR: Uncaught crypto exception. Suppresssing output.\n";
+ } else {
+ /* Re-throw the exception in the destructor. */
+ $this->rethrow = $ex;
+ }
+ }
+
+ public function __destruct() {
+ if ($this->rethrow) {
+ throw $this->rethrow;
+ }
+ }
+}
+
+$crypto_exception_handler_object_dont_touch_me = new CryptoExceptionHandler();
+
projects / friendica.git / commitdiff