50p-upi-workshop

UPI DEMO APP :- https://github.com/juspay/upi-sdk

UPI SDK Documentation :- http://merchant-doc-v3.bitballoon.com/

repositories {
    mavenCentral()
    maven {
      url "https://s3-ap-south-1.amazonaws.com/staging-assets-test"
    }
  }

  dependencies {
    compile ('axis-upi:app:0.0.1')
    // your other dependencies
  }  

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merchantId : "JPMERCHANT"
merchantCHannelId : "JPMERCHANT"

merchantKey:- qlsUjKdMIDSHfwfwjehfbwebfjwQGRTWQ21323NJNJ0En6blp6SIlmHmvCNhoLuiAL4toSzWo238i35OXtGmmdVlfUWOHGwtv3csriX9GHjiuxqwrbKdVw75NBuxQRLBlyvkewCjephWfOtfpAj9Avob6eCt8MVN6r19jp0Be1rZGNdLhwVjRRdbmOKL1ynXXm9YLF1fLtJcuTff7gtimiNKLWca9iyq171ZkibZoGhknV5UTDDPvgrd0Qkg9mnKqVfFyE8A

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public static String hmacDigest(String msg, String keyString, String algo) {
        String digest = null;
        try {
            SecretKeySpec key = new SecretKeySpec((keyString).getBytes("UTF-8"), algo);
            Mac mac = Mac.getInstance(algo);
            mac.init(key);
            byte[] bytes = mac.doFinal(msg.getBytes("ASCII"));
            StringBuffer hash = new StringBuffer();
            for (int i = 0; i < bytes.length; i++) {
                String hex = Integer.toHexString(0xFF & bytes[i]);
                if (hex.length() == 1) {
                    hash.append('0');
                }
                hash.append(hex);
            }
            digest = hash.toString();
        } catch (UnsupportedEncodingException e) {
        } catch (InvalidKeyException e) {
        } catch (NoSuchAlgorithmException e) {
        }
        return digest;
    }