Generate Signature Universal Virtual Account (Send Invoice)

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;

public class UniversalSignatureGenerator {

    public static void main(String[] args) {
        String signatureKey = "cc256d3a2d7687e6f4e1f4217c534bc6b18f66e3552aa9d312f5f4808130504";
        String rq_uuid      = "rfbd39734-ed32-490d-98c4-e91bcd91037a";
        String rq_datetime  = "2024-01-01 14:39:11";
        String order_id     = "ORDER001";
        String amount       = "100000";
        String ccy          = "IDR";
        String comm_code    = "SGWYESSISHOP";
        String action       = "SENDINVOICE";

        // Buat raw string dan ubah ke uppercase
        String rawString = String.format("##%s##%s##%s##%s##%s##%s##%s##%s##",
                signatureKey, rq_uuid, rq_datetime, order_id, amount, ccy, comm_code, action
        ).toUpperCase();

        try {
          // Hash menggunakan SHA-256
            MessageDigest digest = MessageDigest.getInstance("SHA-256");
            byte[] hash = digest.digest(rawString.getBytes(StandardCharsets.UTF_8));

            // Konversi hasil hash ke hex string
            StringBuilder hexString = new StringBuilder();
            for (byte b : hash) {
                hexString.append(String.format("%02x", b));
            }

            // Output hasil
            System.out.println("Raw String: " + rawString);
            System.out.println("Signature : " + hexString.toString());

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
                
              

Generate Signature Universal Virtual Account (Send Invoice)

const crypto = require('crypto');

const signatureKey = 'cc256d3a2d7687e6f4e1f4217c534bc6b18f66e3552aa9d312f5f4808130504';
const rq_uuid      = 'rfbd39734-ed32-490d-98c4-e91bcd91037a';
const rq_datetime  = '2024-01-01 14:39:11';
const order_id     = 'ORDER001';
const amount       = '100000';
const ccy          = 'IDR';
const comm_code    = 'SGWYESSISHOP';
const action       = 'SENDINVOICE';

// Gabungkan dan ubah ke UPPERCASE
const rawString = `##${signatureKey}##${rq_uuid}##${rq_datetime}##${order_id}##${amount}##${ccy}##${comm_code}##${action}##`.toUpperCase();

// Buat SHA-256 hash
const signature = crypto.createHash('sha256').update(rawString).digest('hex');

// Output
console.log("Raw String :", rawString);
console.log("Signature  :", signature);