Java String Encrypt Encrypt(String str, String salt)

Description

Encrypt

License

Apache License

Declaration

public static String Encrypt(String str, String salt) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static String Encrypt(String str, String salt) {
        String encoderText = "lsedfoglkwjemc-091324jlkmsda-0sd=1234;l;lsdkOPIER203-4LKJSLDJAS0D925JKNNC,MANSLDJQ32ELK1N4SAIp089er0234lkjo9df82l3kjlknf,nzxc,mn;lasdj9wquelq;d]qowe[;wq;qkwellsdkfj0-0POPOAR0W8RPOp-02@#$sdklj$#)0asdlksadLKJFA9820934)(&$3ij09sdj34-sdfj2po345-09dlkfjlkv,mxncv;laskdkl/a;au093hakjh2389~!@%&*%#&^539478(*&)^(&^_*8-*_+++|78w3ihsdnmnclksdj)(*#%*_@$(+#@$)&@#^*&^#@$()(*#@$HDFIkdhfgkjh098k;ldsk.sdv.c,msd;flkp0w34;2lk-=sd0p121o39-werl2k3;4lj09sdflskjlekfj,mv,mcxvjlksjdflksjdl*(#@!&akhduyqweperilmmdxcasnd*(#@9879327kjhasudfewr kwehriwueyrhc ausdgiq7w8e71 cdsh93ol2q32879y8932qwhdkjanhdskjaoe*&w#jh$)(*dsFshc na89wue32e981yewher12(*&#quds)(*i3o1928osaihdaklsdkalkduqowe3290874kljhklasdhlijhqweio4hwe89(*$#$eriho349oij(#*q$OIJHO)(&*#$_)(IUDSOIUoiOIUSAODFU034liusdrogiuet0lsdmc,.mg;lq-091lk3l;kjsdf--123098fe*(JOKJSFD983345oihjdp0(#*$&#@!HKJH!(@#*&ioysdk@#)uhOA7E98R7239845K(*&(#@*$&HKFDJHWERYIWoi)(*&#@&^%@!dsfoi;.;,p[osklejr230897*(&we2&^%@78*(&#@!(7~&*~^@*&^#(*&auroiqkjwrhoasdf89qlrlkjpour09werk23jh";
        encoderText += salt;//from ww w  .  j  a v  a  2  s.c om
        int seed = (int) Random(255);
        int pre = seed & 3;
        int len = str.length();
        int elen = encoderText.length();
        int i, j;

        String ret = "";
        ret += EncodeChar(seed);
        ret += EncodeChar((((int) Random(255)) & 0xfc) + pre);
        for (i = 0; i < pre; i++)
            ret += EncodeChar((int) Random(255));

        for (i = 0, j = seed; i < len; i++) {
            ret += EncodeChar((str.charAt(i)) ^ (encoderText.charAt(j)));
            if (++j >= elen)
                j = 0;
        }

        //System.out.println("enc: "+ret);
        return ret;
    }

    public static double Random(int x) {
        return (Math.floor(Math.random() * 1000000)) % x;
    }

    public static String EncodeChar(int c) {
        String s = "";
        double x = Math.floor(c / 16);
        if (x > 9) {
            s += (char) (((int) x) - 10 + 0x61);
        } else {
            s += (int) x;
        }
        x = c % 16;
        if (x > 9) {
            s += (char) (((int) x) - 10 + 0x61);
        } else {
            s += (int) x;
        }
        return s;
    }
}

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