From 9d1635e7429ab105b9c65fc564a2979d9ac7d46a Mon Sep 17 00:00:00 2001
From: Dave Rodgman <dave.rodgman@gmail.com>
Date: Sun, 4 Jun 2023 12:55:15 -0400
Subject: [PATCH] Revert not-useful changes to AES-CBC decrypt

Signed-off-by: Dave Rodgman <dave.rodgman@gmail.com>
---
 library/aes.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/library/aes.c b/library/aes.c
index e9395d4ec..a137fb14e 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -1069,15 +1069,14 @@ int mbedtls_aes_crypt_cbc(mbedtls_aes_context *ctx,
 #endif
 
     if (mode == MBEDTLS_AES_DECRYPT) {
-        unsigned char temp2[16];
         while (length > 0) {
             memcpy(temp, input, 16);
-            ret = mbedtls_aes_crypt_ecb(ctx, mode, input, temp2);
+            ret = mbedtls_aes_crypt_ecb(ctx, mode, input, output);
             if (ret != 0) {
                 goto exit;
             }
 
-            mbedtls_xor(output, temp2, iv, 16);
+            mbedtls_xor(output, output, iv, 16);
 
             memcpy(iv, temp, 16);