summaryrefslogtreecommitdiff
path: root/crypto/ctr.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 15:53:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 15:53:46 -0700
commite4ab1483d978d739960a61317b797b251f777bdb (patch)
treea21353852eea966059c2c2e7b44e268f1c46af59 /crypto/ctr.c
parente24d45f8fbdaef546caa59cfdabaeccec9872ef1 (diff)
parente45be024ce2ad1abbe17a3668e09a3ca8fc202f1 (diff)
downloadlinux-crypto-e4ab1483d978d739960a61317b797b251f777bdb.tar.gz
linux-crypto-e4ab1483d978d739960a61317b797b251f777bdb.zip
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "Here is the crypto update for 4.12: API: - Add batch registration for acomp/scomp - Change acomp testing to non-unique compressed result - Extend algorithm name limit to 128 bytes - Require setkey before accept(2) in algif_aead Algorithms: - Add support for deflate rfc1950 (zlib) Drivers: - Add accelerated crct10dif for powerpc - Add crc32 in stm32 - Add sha384/sha512 in ccp - Add 3des/gcm(aes) for v5 devices in ccp - Add Queue Interface (QI) backend support in caam - Add new Exynos RNG driver - Add ThunderX ZIP driver - Add driver for hardware random generator on MT7623 SoC" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (101 commits) crypto: stm32 - Fix OF module alias information crypto: algif_aead - Require setkey before accept(2) crypto: scomp - add support for deflate rfc1950 (zlib) crypto: scomp - allow registration of multiple scomps crypto: ccp - Change ISR handler method for a v5 CCP crypto: ccp - Change ISR handler method for a v3 CCP crypto: crypto4xx - rename ce_ring_contol to ce_ring_control crypto: testmgr - Allow ecb(cipher_null) in FIPS mode Revert "crypto: arm64/sha - Add constant operand modifier to ASM_EXPORT" crypto: ccp - Disable interrupts early on unload crypto: ccp - Use only the relevant interrupt bits hwrng: mtk - Add driver for hardware random generator on MT7623 SoC dt-bindings: hwrng: Add Mediatek hardware random generator bindings crypto: crct10dif-vpmsum - Fix missing preempt_disable() crypto: testmgr - replace compression known answer test crypto: acomp - allow registration of multiple acomps hwrng: n2 - Use devm_kcalloc() in n2rng_probe() crypto: chcr - Fix error handling related to 'chcr_alloc_shash' padata: get_next is never NULL crypto: exynos - Add new Exynos RNG driver ...
Diffstat (limited to 'crypto/ctr.c')
-rw-r--r--crypto/ctr.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/crypto/ctr.c b/crypto/ctr.c
index a4f4a898..477d9226 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -181,15 +181,24 @@ static void crypto_ctr_exit_tfm(struct crypto_tfm *tfm)
static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb)
{
struct crypto_instance *inst;
+ struct crypto_attr_type *algt;
struct crypto_alg *alg;
+ u32 mask;
int err;
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER);
if (err)
return ERR_PTR(err);
- alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER,
- CRYPTO_ALG_TYPE_MASK);
+ algt = crypto_get_attr_type(tb);
+ if (IS_ERR(algt))
+ return ERR_CAST(algt);
+
+ mask = CRYPTO_ALG_TYPE_MASK |
+ crypto_requires_off(algt->type, algt->mask,
+ CRYPTO_ALG_NEED_FALLBACK);
+
+ alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER, mask);
if (IS_ERR(alg))
return ERR_CAST(alg);
@@ -350,6 +359,8 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl,
struct skcipher_alg *alg;
struct crypto_skcipher_spawn *spawn;
const char *cipher_name;
+ u32 mask;
+
int err;
algt = crypto_get_attr_type(tb);
@@ -367,12 +378,14 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl,
if (!inst)
return -ENOMEM;
+ mask = crypto_requires_sync(algt->type, algt->mask) |
+ crypto_requires_off(algt->type, algt->mask,
+ CRYPTO_ALG_NEED_FALLBACK);
+
spawn = skcipher_instance_ctx(inst);
crypto_set_skcipher_spawn(spawn, skcipher_crypto_instance(inst));
- err = crypto_grab_skcipher(spawn, cipher_name, 0,
- crypto_requires_sync(algt->type,
- algt->mask));
+ err = crypto_grab_skcipher(spawn, cipher_name, 0, mask);
if (err)
goto err_free_inst;