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authorTobias Brunner <tobias@strongswan.org>2010-01-17 05:52:11 -0500
committerHerbert Xu <herbert@gondor.apana.org.au>2010-01-17 05:52:11 -0500
commit73c89c15b959adf06366722c4be8d2eddec0a529 (patch)
tree91c0d936c49607fbae703e4c7331e39896004d28 /net/xfrm
parentfaad98f29606d9d3c6bddae7c88693be37d2fb43 (diff)
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 743c0134a6a9..8b4d6e3246e5 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -125,6 +125,22 @@ static struct xfrm_algo_desc aead_list[] = {
125 .sadb_alg_maxbits = 256 125 .sadb_alg_maxbits = 256
126 } 126 }
127}, 127},
128{
129 .name = "rfc4543(gcm(aes))",
130
131 .uinfo = {
132 .aead = {
133 .icv_truncbits = 128,
134 }
135 },
136
137 .desc = {
138 .sadb_alg_id = SADB_X_EALG_NULL_AES_GMAC,
139 .sadb_alg_ivlen = 8,
140 .sadb_alg_minbits = 128,
141 .sadb_alg_maxbits = 256
142 }
143},
128}; 144};
129 145
130static struct xfrm_algo_desc aalg_list[] = { 146static struct xfrm_algo_desc aalg_list[] = {