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authorHoria Geanta <horia.geanta@freescale.com>2013-03-20 16:31:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-05 09:25:46 -0700
commit101314e1bdd21979f80f45e7dc3deeb62731914d (patch)
treec16a854dbf0384b96a7ab285c76d16e29f2fd63d /drivers
parent95e93985ffa3b1b54808608f8e7e237a70149d7e (diff)
Revert "crypto: talitos - add IPsec ESN support"
commit 991155bacb91c988c45586525771758ddadd44ce upstream. This reverts commit e763eb699be723fb41af818118068c6b3afdaf8d. Current IPsec ESN implementation for authencesn(cbc(aes), hmac(sha)) (separate encryption and integrity algorithms) does not conform to RFC4303. ICV is generated by hashing the sequence SPI, SeqNum-High, SeqNum-Low, IV, Payload instead of SPI, SeqNum-Low, IV, Payload, SeqNum-High. Reported-by: Chaoxing Lin <Chaoxing.Lin@ultra-3eti.com> Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Reviewed-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/talitos.c30
1 files changed, 2 insertions, 28 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 09b184adf31b..5b2b5e61e4f9 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -38,7 +38,6 @@
#include <linux/spinlock.h>
#include <linux/rtnetlink.h>
#include <linux/slab.h>
-#include <linux/string.h>
#include <crypto/algapi.h>
#include <crypto/aes.h>
@@ -1974,11 +1973,7 @@ struct talitos_alg_template {
};
static struct talitos_alg_template driver_algs[] = {
- /*
- * AEAD algorithms. These use a single-pass ipsec_esp descriptor.
- * authencesn(*,*) is also registered, although not present
- * explicitly here.
- */
+ /* AEAD algorithms. These use a single-pass ipsec_esp descriptor */
{ .type = CRYPTO_ALG_TYPE_AEAD,
.alg.crypto = {
.cra_name = "authenc(hmac(sha1),cbc(aes))",
@@ -2820,9 +2815,7 @@ static int talitos_probe(struct platform_device *ofdev)
if (hw_supports(dev, driver_algs[i].desc_hdr_template)) {
struct talitos_crypto_alg *t_alg;
char *name = NULL;
- bool authenc = false;
-authencesn:
t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
@@ -2837,8 +2830,6 @@ authencesn:
err = crypto_register_alg(
&t_alg->algt.alg.crypto);
name = t_alg->algt.alg.crypto.cra_driver_name;
- authenc = authenc ? !authenc :
- !(bool)memcmp(name, "authenc", 7);
break;
case CRYPTO_ALG_TYPE_AHASH:
err = crypto_register_ahash(
@@ -2851,25 +2842,8 @@ authencesn:
dev_err(dev, "%s alg registration failed\n",
name);
kfree(t_alg);
- } else {
+ } else
list_add_tail(&t_alg->entry, &priv->alg_list);
- if (authenc) {
- struct crypto_alg *alg =
- &driver_algs[i].alg.crypto;
-
- name = alg->cra_name;
- memmove(name + 10, name + 7,
- strlen(name) - 7);
- memcpy(name + 7, "esn", 3);
-
- name = alg->cra_driver_name;
- memmove(name + 10, name + 7,
- strlen(name) - 7);
- memcpy(name + 7, "esn", 3);
-
- goto authencesn;
- }
- }
}
}
if (!list_empty(&priv->alg_list))