Messages in this thread Patch in this message | | | Date | Fri, 14 Nov 2008 15:55:36 -0500 | From | Neil Horman <> | Subject | [PATCH] ansi_cprng: zero out key data on exit |
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Its been mentioned to me a few times that the ansi_cprng doesn't zero out its data when a context is freed. Given that we store key, and other seed data in that structure, I think its probably a good idea that we zero it out. This patch does that.
Regards Neil
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
ansi_cprng.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c index 72db0fd..e6ad373 100644 --- a/crypto/ansi_cprng.c +++ b/crypto/ansi_cprng.c @@ -266,6 +266,7 @@ done: static void free_prng_context(struct prng_context *ctx) { crypto_free_cipher(ctx->tfm); + memset(ctx, 0, sizeof(struct prng_context)); } static int reset_prng_context(struct prng_context *ctx, -- /**************************************************** * Neil Horman <nhorman@tuxdriver.com> * Software Engineer, Red Hat ****************************************************/
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