Add param validation for mbedtls_aes_crypt_cbc()
diff --git a/library/aes.c b/library/aes.c
index 9f20744..2da86c7 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -1049,6 +1049,14 @@
int i;
unsigned char temp[16];
+ AES_VALIDATE_RET( ctx != NULL );
+ AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
+ mode == MBEDTLS_AES_DECRYPT );
+ AES_VALIDATE_RET( iv != NULL );
+ AES_VALIDATE_RET( input != NULL );
+ AES_VALIDATE_RET( output != NULL );
+
+
if( length % 16 )
return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );