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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2017-12-29 17:49:13 +0100
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2017-12-29 17:49:13 +0100
commit59d9ddb192bc424cc53e52180478001af4fb99a4 (patch)
tree0abd8646ad5a39bf4993faf67e0200c6be6a5e13 /crypto/hmac.c
parent1ca96e9695b6c448befcd0abacaf473458f22d1c (diff)
parentd5abe860ac298ebe723b37a6f63a5b2d404fca60 (diff)
downloadlinux-crypto-59d9ddb192bc424cc53e52180478001af4fb99a4.tar.gz
linux-crypto-59d9ddb192bc424cc53e52180478001af4fb99a4.zip
Merge tag 'v4.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next
Linux 4.15-rc5
Diffstat (limited to 'crypto/hmac.c')
-rw-r--r--crypto/hmac.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/hmac.c b/crypto/hmac.c
index 92871dc2..e7473022 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -195,11 +195,15 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb)
salg = shash_attr_alg(tb[1], 0, 0);
if (IS_ERR(salg))
return PTR_ERR(salg);
+ alg = &salg->base;
+ /* The underlying hash algorithm must be unkeyed */
err = -EINVAL;
+ if (crypto_shash_alg_has_setkey(salg))
+ goto out_put_alg;
+
ds = salg->digestsize;
ss = salg->statesize;
- alg = &salg->base;
if (ds > alg->cra_blocksize ||
ss < alg->cra_blocksize)
goto out_put_alg;