From 5f026da99280f588aa9d76413d59bd666932c734 Mon Sep 17 00:00:00 2001
From: Ethan O'Brien <77750390+ethanaobrien@users.noreply.github.com>
Date: Mon, 8 Apr 2024 11:58:56 -0500
Subject: [PATCH] Ensure supplied packet is longer than the IV_LENGTH

---
 src/encryption.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/encryption.rs b/src/encryption.rs
index f8b5ebd..3a8b325 100644
--- a/src/encryption.rs
+++ b/src/encryption.rs
@@ -7,6 +7,9 @@ const IV_LENGTH: usize = 16;
 const KEY: &str = "3559b435f24b297a79c68b9709ef2125";
 
 pub fn decrypt_packet(base64_input: &str) -> Result<String, ErrorStack> {
+    if base64_input.len() < IV_LENGTH + 1 {
+        return Ok(String::new());
+    }
     let base64_buffer = general_purpose::STANDARD.decode(base64_input).unwrap();
 
     let decryption_iv = &base64_buffer[..IV_LENGTH];