commit 26d1c43821c0a4d5cc3edbae15ae5f9848f06409
author Thomas Daubney <thomas.daubney@arm.com> Tue Feb 20 11:26:55 2024 +0000
committer Thomas Daubney <thomas.daubney@arm.com> Tue Feb 20 11:26:55 2024 +0000
tree ffef1cda0edce02aa345e6d09c841ccd5a293034
parent 3c0c6b1c4beaa75256eb7823d853ae30019035de

Check output allocated before randomising

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 319ad83..994f9a9 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5332,7 +5332,7 @@
                                             output_length);
 
 exit:
-    if (status != PSA_SUCCESS) {
+    if (status != PSA_SUCCESS && output != NULL) {
         /* If an error happens and is not handled properly, the output
          * may be used as a key to protect sensitive data. Arrange for such
          * a key to be random, which is likely to result in decryption or