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authorHerbert Xu <herbert@gondor.apana.org.au>2016-01-08 21:28:26 +0800
committerBen Hutchings <ben@decadent.org.uk>2016-02-13 10:34:12 +0000
commit91be8bcfc83376406f0737d91b06d2a1587aa31b (patch)
treec10fc4ee2b53f55efc6dda349fe5eac63a0291d5 /crypto
parent62a73f4b649dedf99e8a32fd4834ef8954d04a37 (diff)
crypto: hash - Add crypto_ahash_has_setkey
commit a5596d6332787fd383b3b5427b41f94254430827 upstream. This patch adds a way for ahash users to determine whether a key is required by a crypto_ahash transform. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/ahash.c5
-rw-r--r--crypto/shash.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 96c8e7cb680f..7fd8ecf71337 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -369,6 +369,7 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
struct ahash_alg *alg = crypto_ahash_alg(hash);
hash->setkey = ahash_nosetkey;
+ hash->has_setkey = false;
hash->export = ahash_no_export;
hash->import = ahash_no_import;
@@ -381,8 +382,10 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
hash->finup = alg->finup ?: ahash_def_finup;
hash->digest = alg->digest;
- if (alg->setkey)
+ if (alg->setkey) {
hash->setkey = alg->setkey;
+ hash->has_setkey = true;
+ }
if (alg->export)
hash->export = alg->export;
if (alg->import)
diff --git a/crypto/shash.c b/crypto/shash.c
index f507294f2811..d15f35019c4b 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -354,8 +354,10 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
crt->finup = shash_async_finup;
crt->digest = shash_async_digest;
- if (alg->setkey)
+ if (alg->setkey) {
crt->setkey = shash_async_setkey;
+ crt->has_setkey = true;
+ }
if (alg->export)
crt->export = shash_async_export;
if (alg->import)