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authorTobias Brunner <tobias@strongswan.org>2010-01-17 21:52:11 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2010-01-17 21:52:11 +1100
commit73c89c15b959adf06366722c4be8d2eddec0a529 (patch)
tree91c0d936c49607fbae703e4c7331e39896004d28 /net/xfrm
parentfaad98f29606d9d3c6bddae7c88693be37d2fb43 (diff)
downloadop-kernel-dev-73c89c15b959adf06366722c4be8d2eddec0a529.zip
op-kernel-dev-73c89c15b959adf06366722c4be8d2eddec0a529.tar.gz
crypto: gcm - Add RFC4543 wrapper for GCM
This patch adds the RFC4543 (GMAC) wrapper for GCM similar to the existing RFC4106 wrapper. The main differences between GCM and GMAC are the contents of the AAD and that the plaintext is empty for the latter. Signed-off-by: Tobias Brunner <tobias@strongswan.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_algo.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 743c013..8b4d6e3 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -125,6 +125,22 @@ static struct xfrm_algo_desc aead_list[] = {
.sadb_alg_maxbits = 256
}
},
+{
+ .name = "rfc4543(gcm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_NULL_AES_GMAC,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
};
static struct xfrm_algo_desc aalg_list[] = {
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