Ensure ctr_drbg is initialised every time
ctr_drbg is a local variable and thus needs initialisation every time
LLVMFuzzerTestOneInput() is called, the rest of the variables inside the
if(initialised) block are all static.
Add extra validation to attempt to catch this issue in future.
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/aes.c b/library/aes.c
index 4afc3c4..d2b05e2 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -971,6 +971,7 @@
unsigned char output[16] )
{
AES_VALIDATE_RET( ctx != NULL );
+ AES_VALIDATE_RET( ctx->rk != NULL );
AES_VALIDATE_RET( input != NULL );
AES_VALIDATE_RET( output != NULL );
AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||