* [PATCH] crypto: inside-secure - use kfree_sensitive()
@ 2020-08-26 13:15 Denis Efremov
2020-08-26 13:30 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: Denis Efremov @ 2020-08-26 13:15 UTC (permalink / raw)
To: linux-crypto
Cc: Denis Efremov, Antoine Tenart, Herbert Xu, David S. Miller, linux-kernel
Use kfree_sensitive() instead of open-coding it.
Signed-off-by: Denis Efremov <efremov@linux.com>
---
drivers/crypto/inside-secure/safexcel_hash.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 16a467969d8e..5ffdc1cd5847 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -1082,8 +1082,7 @@ static int safexcel_hmac_init_pad(struct ahash_request *areq,
}
/* Avoid leaking */
- memzero_explicit(keydup, keylen);
- kfree(keydup);
+ kfree_sensitive(keydup);
if (ret)
return ret;
--
2.26.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] crypto: inside-secure - use kfree_sensitive()
2020-08-26 13:15 [PATCH] crypto: inside-secure - use kfree_sensitive() Denis Efremov
@ 2020-08-26 13:30 ` Herbert Xu
0 siblings, 0 replies; 2+ messages in thread
From: Herbert Xu @ 2020-08-26 13:30 UTC (permalink / raw)
To: Denis Efremov; +Cc: linux-crypto, Antoine Tenart, David S. Miller, linux-kernel
On Wed, Aug 26, 2020 at 04:15:14PM +0300, Denis Efremov wrote:
> Use kfree_sensitive() instead of open-coding it.
>
> Signed-off-by: Denis Efremov <efremov@linux.com>
> ---
> drivers/crypto/inside-secure/safexcel_hash.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
Please redo this as a patch series.
Thanks,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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