import v1.1.0_beta1 | 2009-08-21

2019-07-17 22:16:19 +02:00
parent 2c1152f0d3
commit 8dee6b1a10
2306 changed files with 251360 additions and 23428 deletions
--- a/libs/Zend/Crypt.php
+++ b/libs/Zend/Crypt.php
@ -0,0 +1,105 @@
+<?php
+
+class Zend_Crypt
+{
+
+    const TYPE_OPENSSL = 'openssl';
+    const TYPE_HASH = 'hash';
+    const TYPE_MHASH = 'mhash';
+
+    protected static $_type = null;
+
+    protected static $_supportedAlgosOpenssl = array(
+        'md2',
+        'md4',
+        'mdc2',
+        'rmd160',
+        'sha',
+        'sha1',
+        'sha224',
+        'sha256',
+        'sha384',
+        'sha512'
+    );
+
+    protected static $_supportedAlgosMhash = array(
+        'adler32',
+        'crc32',
+        'crc32b',
+        'gost',
+        'haval128',
+        'haval160',
+        'haval192',
+        'haval256',
+        'md4',
+        'md5',
+        'ripemd160',
+        'sha1',
+        'sha256',
+        'tiger',
+        'tiger128',
+        'tiger160'
+    );
+
+    public static function hash($algorithm, $data, $binaryOutput = false)
+    {
+        $algorithm = strtolower($algorithm);
+        if (function_exists($algorithm)) {
+            return $algorithm($data, $binaryOutput);
+        }
+        self::_detectHashSupport($algorithm);
+        $supportedMethod = '_digest' . ucfirst(self::$_type);
+        $result = self::$supportedMethod($algorithm, $data, $binaryOutput);
+    }
+
+    protected static function _detectHashSupport($algorithm)
+    {
+        if (function_exists('hash')) {
+            self::$_type = self::TYPE_HASH;
+            if (in_array($algorithm, hash_algos())) {
+               return;
+            }
+        }
+        if (function_exists('mhash')) {
+            self::$_type = self::TYPE_MHASH;
+            if (in_array($algorithm, self::$_supportedAlgosMhash)) {
+               return;
+            }
+        }
+        if (function_exists('openssl_digest')) {
+            if ($algorithm == 'ripemd160') {
+                $algorithm = 'rmd160';
+            }
+            self::$_type = self::TYPE_OPENSSL;
+            if (in_array($algorithm, self::$_supportedAlgosOpenssl)) {
+               return;
+            }
+        }
+        require_once 'Zend/Crypt/Exception.php';
+        throw new Zend_Crypt_Exception('\'' . $algorithm . '\' is not supported by any available extension or native function');
+    }
+
+    protected static function _digestHash($algorithm, $data, $binaryOutput)
+    {
+        return hash($algorithm, $data, $binaryOutput);
+    }
+
+    protected static function _digestMhash($algorithm, $data, $binaryOutput)
+    {
+        $constant = constant('MHASH_' . strtoupper($algorithm));
+        $binary = mhash($constant, $data);
+        if ($binaryOutput) {
+            return $binary;
+        }
+        return bin2hex($binary);
+    }
+
+    protected static function _digestOpenssl($algorithm, $data, $binaryOutput)
+    {
+        if ($algorithm == 'ripemd160') {
+            $algorithm = 'rmd160';
+        }
+        return openssl_digest($data, $algorithm, $binaryOutput);
+    }
+
+}