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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 14:56:51 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 14:56:51 +0100
commit8c9076b07c99c2a37a96b9f5265e4def47823c86 (patch)
tree368e59df54d7b7ea02d8a626ac85e751883f6836 /crypto/hmac.c
parent59e73854b5fd1213fe90ae993d98c759786c3712 (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
Merge 4.15-rc6 into driver-core-next
We want the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 92871dc2a63e..e74730224f0a 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;