Handle edge case for remaining bytes in nwipe_aes_ctr_prng_read using…

… memset.
martijnvanbrummelen · Apr 10, 2024 · adcd442 · adcd442
1 parent ce2db63
commit adcd442
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/prng.c b/src/prng.c
@@ -416,6 +416,7 @@ int nwipe_aes_ctr_prng_read( NWIPE_PRNG_READ_SIGNATURE )
     {
         // Temporary buffer for the last block of random data.
         unsigned char temp_output[32];
+        memset( temp_output, 0, sizeof( temp_output ) );
 
         // Generate one more block of random data.
         aes_ctr_prng_genrand_uint256_to_buf( (aes_ctr_state_t*) *state, temp_output );