commit 6958bd0206ad09aeea9e41a57eebe4555dbb4925
author Neil Armstrong <narmstrong@baylibre.com> Wed Mar 02 15:16:52 2022 +0100
committer Neil Armstrong <narmstrong@baylibre.com> Wed Mar 02 15:37:11 2022 +0100
tree 9bb5330ee5c1b6be56a7c1c6fef2f38d803c3c06
parent 4313f55a13275e9cdccafb005de989d4b694cc19

Clean aux_out in PSA version of mbedtls_ct_hmac()

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

library/constant_time.c

diff --git a/library/constant_time.c b/library/constant_time.c
index c3f0773..fa1060d 100644
--- a/library/constant_time.c
+++ b/library/constant_time.c
@@ -550,6 +550,7 @@
     mbedtls_platform_zeroize( mac_key, MBEDTLS_MD_MAX_BLOCK_SIZE );
     mbedtls_platform_zeroize( ikey, MBEDTLS_MD_MAX_BLOCK_SIZE );
     mbedtls_platform_zeroize( okey, MBEDTLS_MD_MAX_BLOCK_SIZE );
+    mbedtls_platform_zeroize( aux_out, MBEDTLS_MD_MAX_SIZE );
     psa_hash_abort( &operation );
     psa_hash_abort( &aux_operation );
     return( status == PSA_SUCCESS ? 0 : MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );