From f1b4387eca25b82a73a293de36316df521f814b3 Mon Sep 17 00:00:00 2001
From: Andras Fekete <andras@wolfssl.com>
Date: Tue, 15 Aug 2023 15:00:06 -0400
Subject: [PATCH] Return a failure if the sizes don't match

---
 wolfcrypt/src/asn.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index eda4ac94a..9bbdf2b79 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -31699,10 +31699,14 @@ int StoreECC_DSA_Sig(byte* out, word32* outLen, mp_int* r, mp_int* s)
     if (ret == 0) {
         /* Encode DSA signature into buffer. */
         ret = SetASN_Items(dsaSigASN, dataASN, dsaSigASN_Length, out);
-        if ((ret >= 0) && (ret == sz)) {
-            /* Set the actual encoding size. */
-            *outLen = (word32)sz;
-            ret = 0;
+        if (ret >= 0) {
+            if (ret == sz) {
+                /* Set the actual encoding size. */
+                *outLen = (word32)sz;
+                ret = 0;
+            } else {
+                ret = BAD_STATE_E;
+            }
         }
     }