first commit

app/Shared/Utils/CypherUtil.php

@@ -0,0 +1,17 @@
+<?php
+namespace WorkbloomERP\Utils;
+
+use Exception;
+
+class CypherUtil {
+    public static function hash(string $data): string {
+        if (!isset($_ENV['SYSTEM_CYPHER_ALGO']) || !isset($_ENV['SYSTEM_CYPHER_PEPPER'])) {
+            throw new Exception('Missing required environment variables for hashing');
+        }
+        return hash_hmac(algo: $_ENV['SYSTEM_CYPHER_ALGO'], data: $data, key: $_ENV['SYSTEM_CYPHER_PEPPER']);
+    }
+
+    public static function verify(string $data, string $hash): bool {
+        return hash_equals(known_string: self::hash($data), user_string: $hash);
+    }
+}