From f61063cee83c8b18043530669ea7808a4baf7359 Mon Sep 17 00:00:00 2001
From: karishmas6 <carishmashukla28@gmail.com>
Date: Sat, 5 Oct 2024 15:42:32 +0530
Subject: [PATCH] feat: decryption

---
 server/src/utils/auth.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/server/src/utils/auth.ts b/server/src/utils/auth.ts
index 2468fe53..9b6a37f1 100644
--- a/server/src/utils/auth.ts
+++ b/server/src/utils/auth.ts
@@ -28,4 +28,12 @@ const encrypt = (text: string): string => {
     let encrypted = cipher.update(text, 'utf8', 'hex');
     encrypted += cipher.final('hex');
     return `${iv.toString('hex')}:${encrypted}`;
+};
+
+const decrypt = (encryptedText: string): string => {
+    const [iv, encrypted] = encryptedText.split(':');
+    const decipher = crypto.createDecipheriv(ALGORITHM, Buffer.from(ENCRYPTION_KEY), Buffer.from(iv, 'hex'));
+    let decrypted = decipher.update(encrypted, 'hex', 'utf8');
+    decrypted += decipher.final('utf8');
+    return decrypted;
 };
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