commit a812e0fe140f606523fed5d4be448d1bca66ae9a
author Janos Follath <janos.follath@arm.com> Fri Mar 08 14:35:20 2024 +0000
committer GitHub <noreply@github.com> Fri Mar 08 14:35:20 2024 +0000
tree 42bfede732183488ba4677bd494c0252a5e77350
parent 139a4185b11d511d0f651ea4f08342e1f89c6ed8
parent 967f8cde843675d6ecf88f53440c55a7be49bf54

Merge pull request #8883 from mfischer/fix_shared_secret

library: psa_crypto: Explicitly initialize shared_secret

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 3c2b6a0..d4a8307 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -6940,7 +6940,7 @@
                                                size_t peer_key_length)
 {
     psa_status_t status;
-    uint8_t shared_secret[PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE];
+    uint8_t shared_secret[PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE] = { 0 };
     size_t shared_secret_length = 0;
     psa_algorithm_t ka_alg = PSA_ALG_KEY_AGREEMENT_GET_BASE(operation->alg);