diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-01 21:06:29 +1100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-01 21:06:29 +1100 |
commit | cec03afcb62fbbb0eaf943f6349ade61b89d7d40 (patch) | |
tree | cc80c13e373337d1c1dee9dd7269173da1f7c079 /net/xfrm/xfrm_algo.c | |
parent | 2da53b0134ad41b91556d2d2a322cc03487a1ab7 (diff) | |
parent | 4814bdbd590e835ecec2d5e505165ec1c19796b2 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (173 commits)
[NETNS]: Lookup in FIB semantic hashes taking into account the namespace.
[NETNS]: Add a namespace mark to fib_info.
[IPV4]: fib_sync_down rework.
[NETNS]: Process interface address manipulation routines in the namespace.
[IPV4]: Small style cleanup of the error path in rtm_to_ifaddr.
[IPV4]: Fix memory leak on error path during FIB initialization.
[NETFILTER]: Ipv6-related xt_hashlimit compilation fix.
[NET_SCHED]: Add flow classifier
[NET_SCHED]: sch_sfq: make internal queues visible as classes
[NET_SCHED]: sch_sfq: add support for external classifiers
[NET_SCHED]: Constify struct tcf_ext_map
[BLUETOOTH]: Fix bugs in previous conn add/del workqueue changes.
[TCP]: Unexport sysctl_tcp_tso_win_divisor
[IPV4]: Make struct ipv4_devconf static.
[TR] net/802/tr.c: sysctl_tr_rif_timeout static
[XFRM]: Fix statistics.
[XFRM]: Remove unused exports.
[PKT_SCHED] sch_teql.c: Duplicate IFF_BROADCAST in FMASK, remove 2nd.
[BNX2]: Fix ASYM PAUSE advertisement for remote PHY.
[IPV4] route cache: Introduce rt_genid for smooth cache invalidation
...
Diffstat (limited to 'net/xfrm/xfrm_algo.c')
-rw-r--r-- | net/xfrm/xfrm_algo.c | 144 |
1 files changed, 141 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c index b5c5347aed6..6cc15250de6 100644 --- a/net/xfrm/xfrm_algo.c +++ b/net/xfrm/xfrm_algo.c @@ -28,6 +28,105 @@ * that instantiated crypto transforms have correct parameters for IPsec * purposes. */ +static struct xfrm_algo_desc aead_list[] = { +{ + .name = "rfc4106(gcm(aes))", + + .uinfo = { + .aead = { + .icv_truncbits = 64, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV8, + .sadb_alg_ivlen = 8, + .sadb_alg_minbits = 128, + .sadb_alg_maxbits = 256 + } +}, +{ + .name = "rfc4106(gcm(aes))", + + .uinfo = { + .aead = { + .icv_truncbits = 96, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV12, + .sadb_alg_ivlen = 8, + .sadb_alg_minbits = 128, + .sadb_alg_maxbits = 256 + } +}, +{ + .name = "rfc4106(gcm(aes))", + + .uinfo = { + .aead = { + .icv_truncbits = 128, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV16, + .sadb_alg_ivlen = 8, + .sadb_alg_minbits = 128, + .sadb_alg_maxbits = 256 + } +}, +{ + .name = "rfc4309(ccm(aes))", + + .uinfo = { + .aead = { + .icv_truncbits = 64, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV8, + .sadb_alg_ivlen = 8, + .sadb_alg_minbits = 128, + .sadb_alg_maxbits = 256 + } +}, +{ + .name = "rfc4309(ccm(aes))", + + .uinfo = { + .aead = { + .icv_truncbits = 96, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV12, + .sadb_alg_ivlen = 8, + .sadb_alg_minbits = 128, + .sadb_alg_maxbits = 256 + } +}, +{ + .name = "rfc4309(ccm(aes))", + + .uinfo = { + .aead = { + .icv_truncbits = 128, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV16, + .sadb_alg_ivlen = 8, + .sadb_alg_minbits = 128, + .sadb_alg_maxbits = 256 + } +}, +}; + static struct xfrm_algo_desc aalg_list[] = { { .name = "hmac(digest_null)", @@ -332,6 +431,11 @@ static struct xfrm_algo_desc calg_list[] = { }, }; +static inline int aead_entries(void) +{ + return ARRAY_SIZE(aead_list); +} + static inline int aalg_entries(void) { return ARRAY_SIZE(aalg_list); @@ -354,25 +458,32 @@ struct xfrm_algo_list { u32 mask; }; +static const struct xfrm_algo_list xfrm_aead_list = { + .algs = aead_list, + .entries = ARRAY_SIZE(aead_list), + .type = CRYPTO_ALG_TYPE_AEAD, + .mask = CRYPTO_ALG_TYPE_MASK, +}; + static const struct xfrm_algo_list xfrm_aalg_list = { .algs = aalg_list, .entries = ARRAY_SIZE(aalg_list), .type = CRYPTO_ALG_TYPE_HASH, - .mask = CRYPTO_ALG_TYPE_HASH_MASK | CRYPTO_ALG_ASYNC, + .mask = CRYPTO_ALG_TYPE_HASH_MASK, }; static const struct xfrm_algo_list xfrm_ealg_list = { .algs = ealg_list, .entries = ARRAY_SIZE(ealg_list), .type = CRYPTO_ALG_TYPE_BLKCIPHER, - .mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC, + .mask = CRYPTO_ALG_TYPE_BLKCIPHER_MASK, }; static const struct xfrm_algo_list xfrm_calg_list = { .algs = calg_list, .entries = ARRAY_SIZE(calg_list), .type = CRYPTO_ALG_TYPE_COMPRESS, - .mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC, + .mask = CRYPTO_ALG_TYPE_MASK, }; static struct xfrm_algo_desc *xfrm_find_algo( @@ -461,6 +572,33 @@ struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe) } EXPORT_SYMBOL_GPL(xfrm_calg_get_byname); +struct xfrm_aead_name { + const char *name; + int icvbits; +}; + +static int xfrm_aead_name_match(const struct xfrm_algo_desc *entry, + const void *data) +{ + const struct xfrm_aead_name *aead = data; + const char *name = aead->name; + + return aead->icvbits == entry->uinfo.aead.icv_truncbits && name && + !strcmp(name, entry->name); +} + +struct xfrm_algo_desc *xfrm_aead_get_byname(char *name, int icv_len, int probe) +{ + struct xfrm_aead_name data = { + .name = name, + .icvbits = icv_len, + }; + + return xfrm_find_algo(&xfrm_aead_list, xfrm_aead_name_match, &data, + probe); +} +EXPORT_SYMBOL_GPL(xfrm_aead_get_byname); + struct xfrm_algo_desc *xfrm_aalg_get_byidx(unsigned int idx) { if (idx >= aalg_entries()) |