xfrm: Fix key lengths for rfc3686(ctr(aes))
authorTushar Gohad <tgohad@mvista.com>
Thu, 28 Jul 2011 10:36:20 +0000 (10:36 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 29 Jul 2011 01:10:48 +0000 (18:10 -0700)
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>
net/xfrm/xfrm_algo.c

index 58064d9e565d80cc4fe542e9dec93f262cab8b7a..791ab2e77f3f2e6ec2f190da781982cd3fc6ffbe 100644 (file)
@@ -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
        }
 },
 };