From 7d369889f72eb5bc1d6fb0cbb66802e67744593d Mon Sep 17 00:00:00 2001
From: Jeremiah Mackey <jeremiahmackey91@gmail.com>
Date: Thu, 26 Mar 2026 16:36:36 +0000
Subject: [PATCH] fix uninitialized enc in CAAM keygen

---
 wolfcrypt/src/port/caam/wolfcaam_fsl_nxp.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/wolfcrypt/src/port/caam/wolfcaam_fsl_nxp.c b/wolfcrypt/src/port/caam/wolfcaam_fsl_nxp.c
index 64841f9630..9a5bbeb2d5 100644
--- a/wolfcrypt/src/port/caam/wolfcaam_fsl_nxp.c
+++ b/wolfcrypt/src/port/caam/wolfcaam_fsl_nxp.c
@@ -772,17 +772,22 @@ int wc_CAAM_MakeEccKey(WC_RNG* rng, int keySize, ecc_key* key, int curveId,
         return CRYPTOCB_UNAVAILABLE;
     }
 
-    if (key->blackKey == CAAM_BLACK_KEY_ECB) {
+    switch (key->blackKey) {
+    case CAAM_BLACK_KEY_ECB:
         enc = CAAM_PKHA_ENC_PRI_AESECB;
-    }
-
-    if (key->blackKey == 0) {
+        break;
+    case 0:
     #ifdef WOLFSSL_CAAM_NO_BLACK_KEY
         enc = 0;
     #else
         key->blackKey = CAAM_BLACK_KEY_ECB;
         enc = CAAM_PKHA_ENC_PRI_AESECB;
     #endif
+        break;
+    default:
+        WOLFSSL_MSG("unknown/unsupported key type");
+        ForceZero(k, sizeof(k));
+        return BAD_FUNC_ARG;
     }
 
     status = CAAM_ECC_Keygen(CAAM, &hndl, k, &kSz, xy, &xySz, ecdsel,