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常用加密/解密库，目前包括RSA加密/解密、整数加密/解密、AES加密/解密。

$ composer require wpfly/crypto

use wpfly\Crypto;

//RSA加密、解密

//自带公钥私钥，以便“开箱即用”去试验。实际中使用，请【一定】【一定】【一定】重新设置密钥后再加密（参考sample/index.php中用例6）！

$crypto = new Crypto();

$s = '我真是个天才！';

$d1 = $crypto->privEncrypt($s);

$d2 = $crypto->pubDecrypt($d1);

$d3 = $crypto->pubEncrypt($s);

$d4 = $crypto->privDecrypt($d3);

var_dump($s, $d1, $d2, $d3, $d4);

//数字加密、解密

$crypto = new Crypto();

$num = '12';

$key = 644;

$r1 = $crypto->numberEncrypt($num, $key, 10);

$r2 = $crypto->numberDecrypt($r1, $key);

var_dump($num, $r1, $r2);

//输出结果：

//string(2) "12"

//string(10) "0707549034"

//string(10) "0000000012"

//AES加密、解密

$crypto = new Crypto();

$s = '我真是个天才！';

$d1 = $crypto->aesEncrypt($s, 'password5');

$d2 = $crypto->aesDecrypt($d1, 'password5');

var_dump($s, $d1, $d2);

更多使用示例参看 sample/index.php

wpfly / crypto