commit f08a550e688b444f53e9d254671a113c06c50e1d
author mohammad1603 <mohammad.abomokh@arm.com> Sun Jun 03 15:05:47 2018 +0300
committer itayzafrir <itay.zafrir@arm.com> Wed Sep 05 12:41:51 2018 +0300
tree 185b6ef7355cc3f6c1beb7e1019ec3f2b4b23f3b
parent f4f0d612ba80e44cb5e6491b932b9d29d15c8b07

set output length to zero to cover output length in error case

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 6c43158..1123a78 100755
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1491,6 +1491,7 @@
     size_t key_bits;
     unsigned char tag[16];
     mbedtls_cipher_id_t cipher_id;
+    *ciphertext_length = 0;
 
     if( ciphertext_size < ( plaintext_length + sizeof( tag ) ) )
         return( PSA_ERROR_INVALID_ARGUMENT );