Create compute_trans_hashSHA2.php

This is the code to verify anet payments integrity using sha hmac512 algorithm

Author: karthikeyanrzp

Sha512/compute_trans_hashSHA2.php

@@ -0,0 +1,20 @@
+<?php
+
+$apiLogin="2Kfn5S7x7D";
+$transId="60115585081";
+$amount='12.00';
+$signatureKey='56E529FE6C63D60E545F84686096E6AA01D5E18A119F18A130F7CFB3983104216979E95D84C91BDD382AA0875264A63940A2D0AA5548F6023B4C78A9D52C18DA';
+$textToHash="^". $apiLogin."^". $transId ."^". $amount."^";
+
+function generateSH512($textToHash, $signatureKey)
+{
+    if ($textToHash != null && $signatureKey != null) {
+                    $sig = hash_hmac('sha512', $textToHash, hex2bin($signatureKey));
+                    echo " Computed SHA512 Hash: " . strtoupper($sig) . "\n";
+                } else {
+                    echo "Either Signature key or the text to hash is empty \n";
+                }
+}
+
+generateSH512($textToHash, $signatureKey);
+?>