lkml.org 
[lkml]   [2021]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH 1/8] Replace memset() with memzero_explicit()
Replace memset(address,0,bytes) which may be optimised away
with memzero_explicit(address,bytes) which resists
such optimisation

---
crypto/des_generic.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/des_generic.c b/crypto/des_generic.c
index c85354a5e94c..105a32e7afea 100644
--- a/crypto/des_generic.c
+++ b/crypto/des_generic.c
@@ -30,7 +30,7 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
err = 0;
}
if (err)
- memset(dctx, 0, sizeof(*dctx));
+ memzero_explicit(dctx, sizeof(*dctx));
return err;
}

@@ -62,7 +62,7 @@ static int des3_ede_setkey(struct crypto_tfm *tfm,
const u8 *key,
err = 0;
}
if (err)
- memset(dctx, 0, sizeof(*dctx));
+ memzero_explicit(dctx, sizeof(*dctx));
return err;
}

--
\
 
 \ /
  Last update: 2021-11-16 12:27    [W:0.066 / U:0.256 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site