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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-02-03 15:32:45 -0200
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-02-03 15:32:45 -0200
commit46932cc3784fab58cedfed099127f243e7af9102 (patch)
tree3a6fe72386b4567b1b6aa156613db607ee737263 /crypto/authencesn.c
parent2d913b33066b19294e6ea3e5caed196751ecf17e (diff)
parentf6490f52c919d9a90918fd2f944e94e4c980b472 (diff)
downloadlinux-crypto-46932cc3784fab58cedfed099127f243e7af9102.tar.gz
linux-crypto-46932cc3784fab58cedfed099127f243e7af9102.zip
Merge tag 'v3.14-rc1' into patchwork
Linus 3.14-rc1 * tag 'v3.14-rc1': (11781 commits) Linus 3.14-rc1 hpfs: optimize quad buffer loading hpfs: remember free space parisc: add flexible mmap memory layout support parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc parisc: convert uapi/asm/stat.h to use native types only parisc: wire up sched_setattr and sched_getattr parisc: fix cache-flushing parisc/sti_console: prefer Linux fonts over built-in ROM fonts hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors tools/power turbostat: introduce -s to dump counters tools/power turbostat: remove unused command line option afs: proc cells and rootcell are writeable tile: remove compat_sys_lookup_dcookie declaration to fix compile error Revert "PCI: Remove from bus_list and release resources in pci_release_dev()" ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA ARM: multi_v7_defconfig: add mvebu drivers clocksource: kona: Add basic use of external clock drivers: bus: fix CCI driver kcalloc call parameters swap ...
Diffstat (limited to 'crypto/authencesn.c')
-rw-r--r--crypto/authencesn.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index ab53762f..4be0dd43 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -59,37 +59,19 @@ static void authenc_esn_request_complete(struct aead_request *req, int err)
static int crypto_authenc_esn_setkey(struct crypto_aead *authenc_esn, const u8 *key,
unsigned int keylen)
{
- unsigned int authkeylen;
- unsigned int enckeylen;
struct crypto_authenc_esn_ctx *ctx = crypto_aead_ctx(authenc_esn);
struct crypto_ahash *auth = ctx->auth;
struct crypto_ablkcipher *enc = ctx->enc;
- struct rtattr *rta = (void *)key;
- struct crypto_authenc_key_param *param;
+ struct crypto_authenc_keys keys;
int err = -EINVAL;
- if (!RTA_OK(rta, keylen))
+ if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
goto badkey;
- if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
- goto badkey;
- if (RTA_PAYLOAD(rta) < sizeof(*param))
- goto badkey;
-
- param = RTA_DATA(rta);
- enckeylen = be32_to_cpu(param->enckeylen);
-
- key += RTA_ALIGN(rta->rta_len);
- keylen -= RTA_ALIGN(rta->rta_len);
-
- if (keylen < enckeylen)
- goto badkey;
-
- authkeylen = keylen - enckeylen;
crypto_ahash_clear_flags(auth, CRYPTO_TFM_REQ_MASK);
crypto_ahash_set_flags(auth, crypto_aead_get_flags(authenc_esn) &
CRYPTO_TFM_REQ_MASK);
- err = crypto_ahash_setkey(auth, key, authkeylen);
+ err = crypto_ahash_setkey(auth, keys.authkey, keys.authkeylen);
crypto_aead_set_flags(authenc_esn, crypto_ahash_get_flags(auth) &
CRYPTO_TFM_RES_MASK);
@@ -99,7 +81,7 @@ static int crypto_authenc_esn_setkey(struct crypto_aead *authenc_esn, const u8 *
crypto_ablkcipher_clear_flags(enc, CRYPTO_TFM_REQ_MASK);
crypto_ablkcipher_set_flags(enc, crypto_aead_get_flags(authenc_esn) &
CRYPTO_TFM_REQ_MASK);
- err = crypto_ablkcipher_setkey(enc, key + authkeylen, enckeylen);
+ err = crypto_ablkcipher_setkey(enc, keys.enckey, keys.enckeylen);
crypto_aead_set_flags(authenc_esn, crypto_ablkcipher_get_flags(enc) &
CRYPTO_TFM_RES_MASK);
@@ -247,7 +229,7 @@ static void authenc_esn_verify_ahash_update_done(struct crypto_async_request *ar
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
- err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG : 0;
+ err = crypto_memneq(ihash, ahreq->result, authsize) ? -EBADMSG : 0;
if (err)
goto out;
@@ -296,7 +278,7 @@ static void authenc_esn_verify_ahash_update_done2(struct crypto_async_request *a
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
- err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG : 0;
+ err = crypto_memneq(ihash, ahreq->result, authsize) ? -EBADMSG : 0;
if (err)
goto out;
@@ -336,7 +318,7 @@ static void authenc_esn_verify_ahash_done(struct crypto_async_request *areq,
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
- err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG : 0;
+ err = crypto_memneq(ihash, ahreq->result, authsize) ? -EBADMSG : 0;
if (err)
goto out;
@@ -568,7 +550,7 @@ static int crypto_authenc_esn_verify(struct aead_request *req)
ihash = ohash + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
- return memcmp(ihash, ohash, authsize) ? -EBADMSG : 0;
+ return crypto_memneq(ihash, ohash, authsize) ? -EBADMSG : 0;
}
static int crypto_authenc_esn_iverify(struct aead_request *req, u8 *iv,