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xfrm: Fix key lengths for rfc3686(ctr(aes)) 

Fix the min and max bit lengths for AES-CTR (RFC3686) keys.
The number of bits in key spec is the key length (128/256)
plus 32 bits of nonce.

This change takes care of the "Invalid key length" errors
reported by setkey when specifying 288 bit keys for aes-ctr.

Signed-off-by: Tushar Gohad <tgohad@mvista.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tushar Gohad 2011-07-28 10:36:20 +00:00 committed by David S. Miller
parent 55f9c40ff6
commit 4203223a1a
1 changed files with 2 additions and 2 deletions
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4
net/xfrm/xfrm_algo.c
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@ -462,8 +462,8 @@ static struct xfrm_algo_desc ealg_list[] = {
.desc = {
.sadb_alg_id = SADB_X_EALG_AESCTR,
.sadb_alg_ivlen = 8,
.sadb_alg_minbits = 128,
.sadb_alg_maxbits = 256
.sadb_alg_minbits = 160,
.sadb_alg_maxbits = 288
}
},
};