From 4290bfb9a63a7169402e8c7f9a90f7ae0c25a98a Mon Sep 17 00:00:00 2001
From: Colton Willey <colton@wolfssl.com>
Date: Thu, 20 Mar 2025 13:46:13 -0700
Subject: [PATCH] Fix outlen return for RSA private decrypt with
 WOLF_CRYPTO_CB_RSA_PAD defined

---
 wolfcrypt/src/rsa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wolfcrypt/src/rsa.c b/wolfcrypt/src/rsa.c
index e553bbc2d..834682e2f 100644
--- a/wolfcrypt/src/rsa.c
+++ b/wolfcrypt/src/rsa.c
@@ -3603,6 +3603,9 @@ static int RsaPrivateDecryptEx(const byte* in, word32 inLen, byte* out,
         ret = wc_CryptoCb_RsaPad(in, inLen, out,
                             &outLen, rsa_type, key, rng, &padding);
         if (ret != WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE)) {
+            if (ret == 0) {
+                ret = (int)outLen;
+            }
             break;
         }
     }