Invalid Key Length

[arjusmoon860]

Getting invalid Key Length error when trying to create checksum

Error: Invalid key length
at Cipheriv.createCipherBase (internal/crypto/cipher.js:103:19)
at Cipheriv.createCipherWithIV (internal/crypto/cipher.js:121:20)
at new Cipheriv (internal/crypto/cipher.js:227:22)
at Object.createCipheriv (crypto.js:123:10)
at Function.encrypt (/Users/arjusmoon/NodeApps/playground/paytm/node_modules/paytmchecksum/PaytmChecksum.js:9:23)
at Function.calculateChecksum (/Users/arjusmoon/NodeApps/playground/paytm/node_modules/paytmchecksum/PaytmChecksum.js:94:24)
at Function.generateSignatureByString (/Users/arjusmoon/NodeApps/playground/paytm/node_modules/paytmchecksum/PaytmChecksum.js:56:24)

var PaytmChecksum = require("paytmchecksum");

var paytmParams = {};

paytmParams["MID"] = "XXXXXXXXXX";
paytmParams["ORDERID"] = "232442453";

var paytmChecksum = PaytmChecksum.generateSignature(paytmParams, "XXXXXXXXXX");
paytmChecksum.then(function (checksum) {
console.log("generateSignature Returns: " + checksum);
}).catch(function (error) {
console.log(error);
});

[bvsk279]

Hi there

In your case, you most probably are using the Merchent_ID as a key. Use Merchent_KEY, It will work!

What you are currently using PaytmChecksum.generateSignature(paytmParams, Your_Merchent_ID);
What you should be using PaytmChecksum.generateSignature(paytmParams, Your_Merchent_KEY);

[amittiwari04]

@bvsk279 please tell me that , i am getting system error
response is ->> {head: {requestId: null, responseTimestamp: 1676197601140, version: v1}, body: {extraParamsMap: null, resultInfo: {resultStatus: F, resultCode: 501, resultMsg: System Error}}}
in test mode my code is working but in production it is not working

[Sahil6458]

Any solution ?