Mcrypt 2.4.7是一个功能强大的加密算法扩展库，它包括有22种算法，其中就包括下面的几种算法：
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以下为引用的内容： Blowfish RC2 Safer-sk64 xtea Cast-256 RC4 Safer-sk128 DES RC4-iv Serpent Enigma Rijndael-128 Threeway Gost Rijndael-192 TripleDES LOKI97 Rijndael-256 Twofish PanamaSaferplus Wake |
如何安装Mcrypt？
在标准的PHP软件包中不包括Mcrypt，因此需要下载它，下载的地址为：ftp://argeas.cs-net.gr/pub/unix/mcrypt/ 。下载后，按照下面的方法进行编译，并把它扩充在PHP中：
下载Mcrypt软件包。
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以下为引用的内容： gunzipmcrypt-x.x.x.tar.gz tar -xvfmcrypt-x.x.x.tar ./configure --disable-posix-threads make make install cd to your PHP directory. ./configure -with-mcrypt=[dir] [--other-configuration-directives] make make install |
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以下为引用的内容： ＜?php // Designate string to be encrypted $string = "Applied Cryptography, by Bruce Schneier, is a wonderful cryptography reference."; // Encryption/decryption key $key = "Four score and twenty years ago"; // Encryption Algorithm $cipher_alg = MCRYPT_RIJNDAEL_128; // Create the initialization vector for added security. $iv = mcrypt_create_iv(mcrypt_get_iv_size($cipher_alg, MCRYPT_MODE_ECB), MCRYPT_RAND); // Output original string print "Original string: $string "; // Encrypt $string $encrypted_string = mcrypt_encrypt($cipher_alg, $key, $string, MCRYPT_MODE_CBC, $iv); // Convert to hexadecimal and output to browser print "Encrypted string: ".bin2hex($encrypted_string)." "; $decrypted_string = mcrypt_decrypt($cipher_alg, $key, $encrypted_string, MCRYPT_MODE_CBC, $iv); print "Decrypted string: $decrypted_string"; ?> |
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以下为引用的内容： Original string: Applied Cryptography, by Bruce Schneier, is a wonderful cryptography reference. Encrypted string: 02a7c58b1ebd22a9523468694b091e60411cc4dea8652bb8072 34fa06bbfb20e71ecf525f29df58e28f3d9bf541f7ebcecf62b c89fde4d8e7ba1e6cc9ea24850478c11742f5cfa1d23fe22fe8 bfbab5e Decrypted string: Applied Cryptography, by Bruce Schneier, is a wonderful cryptography reference. |
