commit 8e41eb718727b7bdfcd8fb96afa412d98a9267ea
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Thu Dec 13 11:00:56 2018 +0100
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Dec 18 12:22:40 2018 +0100
tree 5afb4e7aec158872c59a96b1d3da8ed9aaf7e770
parent 1677cca54b51f0c82c6ec24825443ae0fc592a1f

Add parameter validation for AES-OFB

library/aes.c

diff --git a/library/aes.c b/library/aes.c
index b705290..52fc74c 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -1382,7 +1382,15 @@
                            unsigned char *output )
 {
     int ret = 0;
-    size_t n = *iv_off;
+    size_t n;
+
+    AES_VALIDATE_RET( ctx != NULL );
+    AES_VALIDATE_RET( iv_off != NULL );
+    AES_VALIDATE_RET( iv != NULL );
+    AES_VALIDATE_RET( input != NULL );
+    AES_VALIDATE_RET( output != NULL );
+
+    n = *iv_off;
 
     while( length-- )
     {