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authorDaniel Borkmann <dborkman@redhat.com>2013-12-11 11:28:59 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2013-12-20 20:06:24 +0800
commitfed286110f4bab01f93f06c32951fbc120fb71b1 (patch)
treec6d084142644b281d53631b5ef6f6f6f1ced2161 /arch/s390
parent369f3dabad95aaa3b04ec390d5489d9d46e51395 (diff)
crypto: arch - use crypto_memneq instead of memcmp
Replace remaining occurences (just as we did in crypto/) under arch/*/crypto/ that make use of memcmp() for comparing keys or authentication tags for usage with crypto_memneq(). It can simply be used as a drop-in replacement for the normal memcmp(). Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Cc: James Yonan <james@openvpn.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/crypto/des_s390.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index bcca01c9989d..200f2a1b599d 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -237,9 +237,9 @@ static int des3_setkey(struct crypto_tfm *tfm, const u8 *key,
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
u32 *flags = &tfm->crt_flags;
- if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
- memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
- DES_KEY_SIZE)) &&
+ if (!(crypto_memneq(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
+ crypto_memneq(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
+ DES_KEY_SIZE)) &&
(*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;