PHP如何实现可以与在线加密解密工具交互的des加密算法

使用php做des加密,加密出来的密文,可以在des在线加密解密工具上解密出来

回复内容：

使用php做des加密,加密出来的密文,可以在des在线加密解密工具上解密出来

• 不同的加密方式可得出不同的结果可导致最终的数据并不通用尽管是同一个算法

PHP自带DES和3DES的加解密

PHP自身支持的加密方式列表(依赖mcrypt)：http://cn2.php.net/manual/zh/mcrypt.ciph...

<code class="php">echo mcrypt_get_key_size(MCRYPT_DES,MCRYPT_MODE_CFB);
// des cfb 秘钥长度为8位

// 秘钥
$key = 11111111;

// 创建IV
$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_DES, MCRYPT_MODE_CFB),MCRYPT_RAND);

// 加密 使用CFB模式
$data = mcrypt_encrypt(MCRYPT_DES, $key, '加密的数据', MCRYPT_MODE_CFB, $iv);

var_dump($data);</code>

另外PHP的OpenSSL扩展也可以直接用于加密 相关函数：openssl_encrypt

<code class="php">// 获取OpenSSL支持的加密参数列表
print_r(openssl_get_cipher_methods());
Array
(
    [0] => AES-128-CBC
    [1] => AES-128-CFB
    [2] => AES-128-CFB1
    [3] => AES-128-CFB8
    [4] => AES-128-CTR
    [5] => AES-128-ECB
    [6] => AES-128-OFB
    [7] => AES-128-XTS
    [8] => AES-192-CBC
    [9] => AES-192-CFB
    [10] => AES-192-CFB1
    [11] => AES-192-CFB8
    [12] => AES-192-CTR
    [13] => AES-192-ECB
    [14] => AES-192-OFB
    [15] => AES-256-CBC
    [16] => AES-256-CFB
    [17] => AES-256-CFB1
    [18] => AES-256-CFB8
    [19] => AES-256-CTR
    [20] => AES-256-ECB
    [21] => AES-256-OFB
    [22] => AES-256-XTS
    [23] => BF-CBC
    [24] => BF-CFB
    [25] => BF-ECB
    [26] => BF-OFB
    [27] => CAMELLIA-128-CBC
    [28] => CAMELLIA-128-CFB
    [29] => CAMELLIA-128-CFB1
    [30] => CAMELLIA-128-CFB8
    [31] => CAMELLIA-128-ECB
    [32] => CAMELLIA-128-OFB
    [33] => CAMELLIA-192-CBC
    [34] => CAMELLIA-192-CFB
    [35] => CAMELLIA-192-CFB1
    [36] => CAMELLIA-192-CFB8
    [37] => CAMELLIA-192-ECB
    [38] => CAMELLIA-192-OFB
    [39] => CAMELLIA-256-CBC
    [40] => CAMELLIA-256-CFB
    [41] => CAMELLIA-256-CFB1
    [42] => CAMELLIA-256-CFB8
    [43] => CAMELLIA-256-ECB
    [44] => CAMELLIA-256-OFB
    [45] => CAST5-CBC
    [46] => CAST5-CFB
    [47] => CAST5-ECB
    [48] => CAST5-OFB
    [49] => DES-CBC
    [50] => DES-CFB
    [51] => DES-CFB1
    [52] => DES-CFB8
    [53] => DES-ECB
    [54] => DES-EDE
    [55] => DES-EDE-CBC
    [56] => DES-EDE-CFB
    [57] => DES-EDE-OFB
    [58] => DES-EDE3
    [59] => DES-EDE3-CBC
    [60] => DES-EDE3-CFB
    [61] => DES-EDE3-CFB1
    [62] => DES-EDE3-CFB8
    [63] => DES-EDE3-OFB
    [64] => DES-OFB
    [65] => DESX-CBC
    [66] => GOST 28147-89
    [67] => IDEA-CBC
    [68] => IDEA-CFB
    [69] => IDEA-ECB
    [70] => IDEA-OFB
    [71] => RC2-40-CBC
    [72] => RC2-64-CBC
    [73] => RC2-CBC
    [74] => RC2-CFB
    [75] => RC2-ECB
    [76] => RC2-OFB
    [77] => RC4
    [78] => RC4-40
    [79] => RC4-HMAC-MD5
    [80] => SEED-CBC
    [81] => SEED-CFB
    [82] => SEED-ECB
    [83] => SEED-OFB
    [84] => aes-128-cbc
    [85] => aes-128-ccm
    [86] => aes-128-cfb
    [87] => aes-128-cfb1
    [88] => aes-128-cfb8
    [89] => aes-128-ctr
    [90] => aes-128-ecb
    [91] => aes-128-gcm
    [92] => aes-128-ofb
    [93] => aes-128-xts
    [94] => aes-192-cbc
    [95] => aes-192-ccm
    [96] => aes-192-cfb
    [97] => aes-192-cfb1
    [98] => aes-192-cfb8
    [99] => aes-192-ctr
    [100] => aes-192-ecb
    [101] => aes-192-gcm
    [102] => aes-192-ofb
    [103] => aes-256-cbc
    [104] => aes-256-ccm
    [105] => aes-256-cfb
    [106] => aes-256-cfb1
    [107] => aes-256-cfb8
    [108] => aes-256-ctr
    [109] => aes-256-ecb
    [110] => aes-256-gcm
    [111] => aes-256-ofb
    [112] => aes-256-xts
    [113] => bf-cbc
    [114] => bf-cfb
    [115] => bf-ecb
    [116] => bf-ofb
    [117] => camellia-128-cbc
    [118] => camellia-128-cfb
    [119] => camellia-128-cfb1
    [120] => camellia-128-cfb8
    [121] => camellia-128-ecb
    [122] => camellia-128-ofb
    [123] => camellia-192-cbc
    [124] => camellia-192-cfb
    [125] => camellia-192-cfb1
    [126] => camellia-192-cfb8
    [127] => camellia-192-ecb
    [128] => camellia-192-ofb
    [129] => camellia-256-cbc
    [130] => camellia-256-cfb
    [131] => camellia-256-cfb1
    [132] => camellia-256-cfb8
    [133] => camellia-256-ecb
    [134] => camellia-256-ofb
    [135] => cast5-cbc
    [136] => cast5-cfb
    [137] => cast5-ecb
    [138] => cast5-ofb
    [139] => des-cbc
    [140] => des-cfb
    [141] => des-cfb1
    [142] => des-cfb8
    [143] => des-ecb
    [144] => des-ede
    [145] => des-ede-cbc
    [146] => des-ede-cfb
    [147] => des-ede-ofb
    [148] => des-ede3
    [149] => des-ede3-cbc
    [150] => des-ede3-cfb
    [151] => des-ede3-cfb1
    [152] => des-ede3-cfb8
    [153] => des-ede3-ofb
    [154] => des-ofb
    [155] => desx-cbc
    [156] => gost89
    [157] => gost89-cnt
    [158] => id-aes128-CCM
    [159] => id-aes128-GCM
    [160] => id-aes128-wrap
    [161] => id-aes192-CCM
    [162] => id-aes192-GCM
    [163] => id-aes192-wrap
    [164] => id-aes256-CCM
    [165] => id-aes256-GCM
    [166] => id-aes256-wrap
    [167] => id-smime-alg-CMS3DESwrap
    [168] => idea-cbc
    [169] => idea-cfb
    [170] => idea-ecb
    [171] => idea-ofb
    [172] => rc2-40-cbc
    [173] => rc2-64-cbc
    [174] => rc2-cbc
    [175] => rc2-cfb
    [176] => rc2-ecb
    [177] => rc2-ofb
    [178] => rc4
    [179] => rc4-40
    [180] => rc4-hmac-md5
    [181] => seed-cbc
    [182] => seed-cfb
    [183] => seed-ecb
    [184] => seed-ofb
)</code>

<code class="php">// 使用openssl加密数据
$string = openssl_encrypt('要加密的数据','des-cfb','秘钥des为8位',0,'IV des为8位');
var_dump($string);</code>

主要是des的算法，然后是发送一个请求，返回结果而已。
网上应该有类似的算法，推荐一个：
http://www.cnblogs.com/wangchuang/archiv...
(百度搜索，找到的)

跟其他语言交互的时候,对方语言直接先base64解密再进行des解密就可以获得原始数据了.python,ios是可以,其他语言没测试,即des_decrypt(base64_decrypt($pass_string))就可了