diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-15 16:50:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-15 16:50:46 -0700 |
| commit | d3502d7f25b22cfc9762bf1781faa9db1bb3be2e (patch) | |
| tree | e1d0195704efaafa14caf6965c8f2b6b00cbcb83 /crypto/cipher.c | |
| parent | d2a9a8ded48bec153f08ee87a40626c8d0737f79 (diff) | |
| parent | 0a9f2a467d8dacaf7e97469dba99ed2d07287d80 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits)
[TCP]: Verify the presence of RETRANS bit when leaving FRTO
[IPV6]: Call inet6addr_chain notifiers on link down
[NET_SCHED]: Kill CONFIG_NET_CLS_POLICE
[NET_SCHED]: act_api: qdisc internal reclassify support
[NET_SCHED]: sch_dsmark: act_api support
[NET_SCHED]: sch_atm: act_api support
[NET_SCHED]: sch_atm: Lindent
[IPV6]: MSG_ERRQUEUE messages do not pass to connected raw sockets
[IPV4]: Cleanup call to __neigh_lookup()
[NET_SCHED]: Revert "avoid transmit softirq on watchdog wakeup" optimization
[NETFILTER]: nf_conntrack: UDPLITE support
[NETFILTER]: nf_conntrack: mark protocols __read_mostly
[NETFILTER]: x_tables: add connlimit match
[NETFILTER]: Lower *tables printk severity
[NETFILTER]: nf_conntrack: Don't track locally generated special ICMP error
[NETFILTER]: nf_conntrack: Introduces nf_ct_get_tuplepr and uses it
[NETFILTER]: nf_conntrack: make l3proto->prepare() generic and renames it
[NETFILTER]: nf_conntrack: Increment error count on parsing IPv4 header
[NET]: Add ethtool support for NETIF_F_IPV6_CSUM devices.
[AF_IUCV]: Add lock when updating accept_q
...
Diffstat (limited to 'crypto/cipher.c')
| -rw-r--r-- | crypto/cipher.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c index 333aab2f0277..0b2650c2014b 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -20,16 +20,43 @@ #include <linux/string.h> #include "internal.h" +static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) +{ + struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher; + unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); + int ret; + u8 *buffer, *alignbuffer; + unsigned long absize; + + absize = keylen + alignmask; + buffer = kmalloc(absize, GFP_ATOMIC); + if (!buffer) + return -ENOMEM; + + alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); + memcpy(alignbuffer, key, keylen); + ret = cia->cia_setkey(tfm, alignbuffer, keylen); + memset(alignbuffer, 0, absize); + kfree(buffer); + return ret; + +} + static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher; - + unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); + tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; if (keylen < cia->cia_min_keysize || keylen > cia->cia_max_keysize) { tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; - } else - return cia->cia_setkey(tfm, key, keylen); + } + + if ((unsigned long)key & alignmask) + return setkey_unaligned(tfm, key, keylen); + + return cia->cia_setkey(tfm, key, keylen); } static void cipher_crypt_unaligned(void (*fn)(struct crypto_tfm *, u8 *, |