From 839562130a4354c2647a0776ceae7d0e4cd2f24e Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Mon, 12 Dec 2022 00:37:56 +0100
Subject: [PATCH] Zeroize large blob key.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/fido/cbor_cred_mgmt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/fido/cbor_cred_mgmt.c b/src/fido/cbor_cred_mgmt.c
index 2054df5..07dc6e3 100644
--- a/src/fido/cbor_cred_mgmt.c
+++ b/src/fido/cbor_cred_mgmt.c
@@ -302,6 +302,7 @@ int cbor_cred_mgmt(const uint8_t *data, size_t len) {
                 }
                 CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x0B));
                 CBOR_CHECK(cbor_encode_byte_string(&mapEncoder, largeBlobKey, sizeof(largeBlobKey)));
+                mbedtls_platform_zeroize(largeBlobKey, sizeof(largeBlobKey));
             }
         }
         credential_free(&cred);