[PATCH] crypto: obscure state information on free
From: Neil Horman <nhorman@tuxdriver.com>
Date: 2008-08-11 20:26:33
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Patch to obscure state information on free in prng code. Keeps prying eyes from sifting through your trash :) Regards Neil Signed-off-by: Neil Horman <nhorman@tuxdriver.com> prng.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/crypto/prng.c b/crypto/prng.c
index b203093..fc6fa28 100644
--- a/crypto/prng.c
+++ b/crypto/prng.c@@ -296,6 +296,7 @@ EXPORT_SYMBOL_GPL(alloc_prng_context); void free_prng_context(struct prng_context *ctx) { crypto_free_cipher(ctx->tfm); + memset(ctx, 0, sizeof(struct prng_context)); kfree(ctx); } EXPORT_SYMBOL_GPL(free_prng_context);
--
/****************************************************
* Neil Horman <nhorman@tuxdriver.com>
* Software Engineer, Red Hat
****************************************************/