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authorTushar Gohad <tgohad@mvista.com>2011-07-28 10:36:20 +0000
committerDavid S. Miller <davem@davemloft.net>2011-07-28 18:10:48 -0700
commit4203223a1aed862b4445fdcd260d6139603a51d9 (patch)
tree1fd4906acba67bcc2c2be204af51996fdfbbb2ab /net/xfrm
parent55f9c40ff632d03c527d6a6ceddcda0a224587a6 (diff)
downloadlinux-4203223a1aed862b4445fdcd260d6139603a51d9.tar.gz
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>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_algo.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 58064d9e565d..791ab2e77f3f 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -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
 	}
 },
 };