简单地用Javascript进行XOR加密,用Java进行解密
这样做的目的与安全性无关,而且密钥很长,所以我只想对字符串使用简单的XOR加密 那么,客户端上的Javascript如下所示:简单地用Javascript进行XOR加密,用Java进行解密,javascript,java,encryption,xor,Javascript,Java,Encryption,Xor,这样做的目的与安全性无关,而且密钥很长,所以我只想对字符串使用简单的XOR加密 那么,客户端上的Javascript如下所示: function dc_encrypt(str, key) { var ord = []; var res = ""; var i; for (i = 1; i <= 255; i++) {ord[String.fromCharCode(i)] = i} for (i = 0; i < str.length; i++)
function dc_encrypt(str, key)
{
var ord = []; var res = "";
var i;
for (i = 1; i <= 255; i++) {ord[String.fromCharCode(i)] = i}
for (i = 0; i < str.length; i++)
res += String.fromCharCode(ord[str.substr(i, 1)] ^ ord[key.substr(i % key.length, 1)]);
return(res);
}
函数dc\u加密(str,key)
{
var ord=[];var res=“”;
var i;
对于(i=1;i当XOR编码两个字符串时,单个字符的结果XOR值有时不会产生可显示的字符。
因此,一种解决方案是将结果编码为十六进制值序列,然后在服务器端对这些十六进制值进行解码
Javascript:
function encryptStringWithXORtoHex(input,key) {
var c = '';
while (key.length < input.length) {
key += key;
}
for(var i=0; i<input.length; i++) {
var value1 = input[i].charCodeAt(0);
var value2 = key[i].charCodeAt(0);
var xorValue = value1 ^ value2;
var xorValueAsHexString = xorValue.toString("16");
if (xorValueAsHexString.length < 2) {
xorValueAsHexString = "0" + xorValueAsHexString;
}
c += xorValueAsHexString;
}
return c;
}
private static String decryptStringWithXORFromHex(String input,String key) {
StringBuilder c = new StringBuilder();
while (key.length() < input.length()/2) {
key += key;
}
for (int i=0;i<input.length();i+=2) {
String hexValueString = input.substring(i, i+2);
int value1 = Integer.parseInt(hexValueString, 16);
int value2 = key.charAt(i/2);
int xorValue = value1 ^ value2;
c.append(Character.toString((char) xorValue));
}
return c.toString();
};
函数encryptStringWithXORtoHex(输入,键){
var c=“”;
while(key.length 对于(var i=0;iCan)您能否提供示例输入以及两种实现中的不同输出?请尝试使用Base64对加密输出进行编码,然后用Java对其进行解码
private static String decryptStringWithXORFromHex(String input,String key) {
StringBuilder c = new StringBuilder();
while (key.length() < input.length()/2) {
key += key;
}
for (int i=0;i<input.length();i+=2) {
String hexValueString = input.substring(i, i+2);
int value1 = Integer.parseInt(hexValueString, 16);
int value2 = key.charAt(i/2);
int xorValue = value1 ^ value2;
c.append(Character.toString((char) xorValue));
}
return c.toString();
};