for (int i = 0; i < charArray.length; i++)
byteArray[i] = (byte) charArray[i];
byte[] md5Bytes = md5.digest(byteArray);
StringBuffer hexValue = new StringBuffer();
for (int i = 0; i < md5Bytes.length; i++){
int val = ((int) md5Bytes[i]) & 0xff;
if (val < 16)
hexValue.append("0");
hexValue.append(Integer.toHexString(val));
}
return hexValue.toString();
}
/**
* 加密解密算法 执行一次加密,两次解密
*/
public static String convert(String inStr){
char[] a = inStr.toCharArray();
for (int i = 0; i < a.length; i++){
a[i] = (char) (a[i] ^ 't');
}
String s = new String(a);
return s;
}
// 测试主函数
public static void main(String args[]) {
String s = new String("123");
System.out.println("原始:" + s);
System.out.println("MD5后:" + string2MD5(s));
System.out.println("异或加密的:" + convert(s));
System.out.println("解密异或的:" + convert(convert(s)));