From 8654756d67280a4db34072af4a8facd26f5b6864 Mon Sep 17 00:00:00 2001
From: Kabir Oberai <oberai.kabir@gmail.com>
Date: Mon, 4 Nov 2024 21:21:12 -0500
Subject: [PATCH] comment

---
 Xcodes/AppleAPI/Sources/AppleAPI/Client.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Xcodes/AppleAPI/Sources/AppleAPI/Client.swift b/Xcodes/AppleAPI/Sources/AppleAPI/Client.swift
index ef43d13..1e8e473 100644
--- a/Xcodes/AppleAPI/Sources/AppleAPI/Client.swift
+++ b/Xcodes/AppleAPI/Sources/AppleAPI/Client.swift
@@ -313,6 +313,7 @@ public class Client {
         let hashedPasswordDataRaw = sha256(data: passwordData)
         let hashedPasswordData = switch srpProtocol {
         case .s2k: hashedPasswordDataRaw
+        // the legacy s2k_fo protocol requires hex-encoding the digest before performing PBKDF2.
         case .s2k_fo: Data(hashedPasswordDataRaw.hexEncodedString().lowercased().utf8)
         }