crypto: authenc - don't leak pointers to authenc keys

In crypto_authenc_setkey we save pointers to the authenc keys in a local variable of type struct crypto_authenc_keys and we don't zeroize it after use. Fix this and don't leak pointers to the authenc keys. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
mariux64 · Apr 20, 2018 · ad2fdcd · ad2fdcd
1 parent d28fc3d
commit ad2fdcd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/crypto/authenc.c b/crypto/authenc.c
@@ -108,6 +108,7 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
 				       CRYPTO_TFM_RES_MASK);
 
 out:
+	memzero_explicit(&keys, sizeof(keys));
 	return err;
 
 badkey: