pwd-enc/index.js

Password encryption

var stringData   = "abcdefghijklmnopqrst uvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-=[];',./!@#$%^&*()_+{}:\"<>?";
var encriptData1 = "klmnopqrstuvwxyzABCD EFGHIJKLMNOPQRSTUVWXYZ1234567890-=[];',./!@#$%^&*()_+{}:\"<>?abcdefghij";
var encriptData2 = "QRSTUVWXYZ1234567890 -=[];',./!@#$%^&*()_+{}:\"<>?abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP";

var dec = (encryptPassword, encriptData, stringData) => {
    var password="";

    for (let index = 0; index < encryptPassword.length; index++) {
        const element = encryptPassword[index];
        for (let index1 = 0; index1 < encriptData.length; index1++) {
            const element1 = encriptData[index1];
            if (element == element1) {
                password = password + stringData[index1]
            }
        }
    }

    return password;
}

var enc = (password, stringData, encriptData) => {
    var encryptPassword="";

    for (let index = 0; index < password.length; index++) {
        const element = password[index];
        for (let index1 = 0; index1 < stringData.length; index1++) {
            const element1 = stringData[index1];

            if (element == element1) {
                encryptPassword = encryptPassword + encriptData[index1]
            }
        }
    }

    return encryptPassword;
}

exports.EncryptPassword = (password) => {
    if (password) {
        password = password.split("");
        var encryptPassword1 = enc(password, stringData, encriptData1)
        var encryptPassword2 = enc(password, stringData, encriptData2)
        return encryptPassword1 + encryptPassword2
    } else {
        return password;
    }
}

exports.DecryptPassword = (encryptPassword) => {
    if (encryptPassword) {
        var length = encryptPassword.length;
        var encryptPassword1 = encryptPassword.substr(0, encryptPassword.length/2);
        var encryptPassword2 = encryptPassword.substr(encryptPassword.length/2, encryptPassword.length);
        encryptPassword = encryptPassword.split("");
        var password1 = dec(encryptPassword1, encriptData1, stringData);
        var password2 = dec(encryptPassword2, encriptData2, stringData);

        if(password1 == password2) {
            return password1;
        } else {
            return "Invalid Password"
        }

    } else {
        return encryptPassword;
    }
}

//console.log("ENC PWD---->" + EncryptPassword("Karthik"))
//console.log("DCP PWD---->" + DecryptPassword("UkBDrsu*Q80XY1"))