commit 2bc535be86e4833c3932457317a207df732cb8e7
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Thu Dec 13 11:08:36 2018 +0100
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Dec 18 12:22:40 2018 +0100
tree 5e598f05aef4d6182c2806420b6aca6a93d2a21c
parent 8e41eb718727b7bdfcd8fb96afa412d98a9267ea

Add parameter validation for AES-CTR

library/aes.c

diff --git a/library/aes.c b/library/aes.c
index 52fc74c..818c599 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -1425,7 +1425,16 @@
                        unsigned char *output )
 {
     int c, i;
-    size_t n = *nc_off;
+    size_t n;
+
+    AES_VALIDATE_RET( ctx != NULL );
+    AES_VALIDATE_RET( nc_off != NULL );
+    AES_VALIDATE_RET( nonce_counter != NULL );
+    AES_VALIDATE_RET( stream_block != NULL );
+    AES_VALIDATE_RET( input != NULL );
+    AES_VALIDATE_RET( output != NULL );
+
+    n = *nc_off;
 
     if ( n > 0x0F )
         return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );