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* [PATCH] crypto: testmgr: clean up memory for sensitive information
@ 2017-04-22 23:40 Pirabarlen-Cheenaramen
  2017-04-23 19:08 ` Stephan Müller
  0 siblings, 1 reply; 2+ messages in thread
From: Pirabarlen-Cheenaramen @ 2017-04-22 23:40 UTC (permalink / raw)
  To: linux-crypto

Signed-off-by: Pirabarlen-Cheenaramen <selven@hackers.mu>
---
 crypto/testmgr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index cd075c7..0af2e16 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -953,8 +953,8 @@ static int __test_aead(struct crypto_aead *tfm, int enc,
 out_noaxbuf:
 	testmgr_free_buf(xbuf);
 out_noxbuf:
-	kfree(key);
-	kfree(iv);
+	kzfree(key);
+	kzfree(iv);
 	return ret;
 }
 
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] crypto: testmgr: clean up memory for sensitive information
  2017-04-22 23:40 [PATCH] crypto: testmgr: clean up memory for sensitive information Pirabarlen-Cheenaramen
@ 2017-04-23 19:08 ` Stephan Müller
  0 siblings, 0 replies; 2+ messages in thread
From: Stephan Müller @ 2017-04-23 19:08 UTC (permalink / raw)
  To: Pirabarlen-Cheenaramen; +Cc: linux-crypto

Am Sonntag, 23. April 2017, 01:40:56 CEST schrieb Pirabarlen-Cheenaramen:

Hi Pirabarlen,

> Signed-off-by: Pirabarlen-Cheenaramen <selven@hackers.mu>
> ---
>  crypto/testmgr.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/crypto/testmgr.c b/crypto/testmgr.c
> index cd075c7..0af2e16 100644
> --- a/crypto/testmgr.c
> +++ b/crypto/testmgr.c
> @@ -953,8 +953,8 @@ static int __test_aead(struct crypto_aead *tfm, int enc,
> out_noaxbuf:
>  	testmgr_free_buf(xbuf);
>  out_noxbuf:
> -	kfree(key);
> -	kfree(iv);
> +	kzfree(key);
> +	kzfree(iv);
>  	return ret;

Hm, I do not think that key or IV are sensitive in this case.

	memcpy(key, template[i].key, template[i].klen);

	if (template[i].iv)
                        memcpy(iv, template[i].iv, iv_len);
                else
                        memset(iv, 0, MAX_IVLEN);


Ciao
Stephan

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-04-22 23:40 [PATCH] crypto: testmgr: clean up memory for sensitive information Pirabarlen-Cheenaramen
2017-04-23 19:08 ` Stephan Müller

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