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

[ Upstream commit 4203223a1aed862b4445fdcd260d6139603a51d9 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tushar Gohad
2011-07-28 10:36:20 +00:00
committed by Greg Kroah-Hartman
parent d98630f19f
commit 3b9dfc69a2

View File

@@ -462,8 +462,8 @@ static struct xfrm_algo_desc ealg_list[] = {
.desc = { .desc = {
.sadb_alg_id = SADB_X_EALG_AESCTR, .sadb_alg_id = SADB_X_EALG_AESCTR,
.sadb_alg_ivlen = 8, .sadb_alg_ivlen = 8,
.sadb_alg_minbits = 128, .sadb_alg_minbits = 160,
.sadb_alg_maxbits = 256 .sadb_alg_maxbits = 288
} }
}, },
}; };