commit 6f4e5bbe3735e0152205b7236ecd47acc08f945f
author gabor-mezei-arm <gabor.mezei@arm.com> Fri Jun 25 15:21:11 2021 +0200
committer gabor-mezei-arm <gabor.mezei@arm.com> Tue Jun 29 19:49:00 2021 +0200
tree 2594a17c42d7bee25f0efb6f2f19e49fd9007f68
parent 01e99083a51019a6e403b79680ad4249bb56c908

Initialize output buffer length to 0

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 509d53d..c1517e5 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -3495,6 +3495,8 @@
     psa_key_type_t key_type;
     size_t iv_length;
 
+    *output_length = 0;
+
     if( ! PSA_ALG_IS_CIPHER( alg ) )
         return( PSA_ERROR_INVALID_ARGUMENT );
 
@@ -3547,6 +3549,8 @@
     psa_status_t unlock_status = PSA_ERROR_CORRUPTION_DETECTED;
     psa_key_slot_t *slot;
 
+    *output_length = 0;
+
     if( ! PSA_ALG_IS_CIPHER( alg ) )
         return( PSA_ERROR_INVALID_ARGUMENT );