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authorAlex Cope <alexcope@google.com>2016-11-14 11:02:54 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-11-17 23:34:59 +0800
commite4fb45f88b5c1ad085777d3681d82fbb17a89ac5 (patch)
treea115c84d711d49b7a662c32b0ebe9e188856f2cc /crypto/gf128mul.c
parent14e535e4b78fa14515f1eadd53cce62a84405864 (diff)
downloadlinux-crypto-e4fb45f88b5c1ad085777d3681d82fbb17a89ac5.tar.gz
linux-crypto-e4fb45f88b5c1ad085777d3681d82fbb17a89ac5.zip
crypto: gf128mul - Zero memory when freeing multiplication table
GF(2^128) multiplication tables are typically used for secret information, so it's a good idea to zero them on free. Signed-off-by: Alex Cope <alexcope@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/gf128mul.c')
-rw-r--r--crypto/gf128mul.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/gf128mul.c b/crypto/gf128mul.c
index 57c85ddb..72015fee 100644
--- a/crypto/gf128mul.c
+++ b/crypto/gf128mul.c
@@ -310,8 +310,8 @@ void gf128mul_free_64k(struct gf128mul_64k *t)
int i;
for (i = 0; i < 16; i++)
- kfree(t->t[i]);
- kfree(t);
+ kzfree(t->t[i]);
+ kzfree(t);
}
EXPORT_SYMBOL(gf128mul_free_64k);