RSA实现JS前端加密，PHP后端解密
<html><head>
<title>RSA Login Test</title>
<meta charset="utf-8">
<script type="text/javascript" src="./js/jsbn.js"></script>
<script type="text/javascript" src="./js/prng4.js"></script>
<script type="text/javascript" src="./js/rng.js"></script>
<script type="text/javascript" src="./js/rsa.js"></script>
<script src="//cdn.bootcss.com/jquery/3.0.0/jquery.min.js"></script>
<script type="text/javascript">
function cmdEncrypt() {
var passwd = $('#passwd').val();
var rsa = new RSAKey();
//openssl生成的modulus,十六进制数据
var modulus = "DB1EA572B55F5D9C8ADF092F5DCC3559CFEA8CE8BB54E3A71DA9B1AFBD7D17CF80ADB224FE4EA5379BC782F41C137748D8F1B5A36AD62A127EF5E87EFB25C209A66BCEE9925CE09631BF2271E81123E93438646625080FF04F4F2CF532B077E3E390486DF40E7586F0AE522C873F33170222F46BDB6084F55DE6B7031E55DBE7";
//openssl生成秘钥时的e的值(0x10001)
var exponent = "10001";
rsa.setPublic(modulus, exponent);
var res = rsa.encrypt(passwd);
$('#passwd').val(res);
}
</script>
</head>
<body>
<form action="./login.php" method="post" >
<label for="username">用户名：</label><input type="text" name="username">
<label for="passwd">密码：</label><input type="password" name="password">
<input type="submit" value="登录">
</form>
</body>
</html>
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