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xfrm: Add IV generator information to xfrm_algo_desc

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This patch adds IV generator information for each AEAD and block
cipher to xfrm_algo_desc.  This will be used to access the new
AEAD interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-05-27 16:03:44 +08:00
parent 8a525fcd46
commit 165ecc6373
2 changed files with 18 additions and 0 deletions
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2
include/net/xfrm.h
View File

@ -1314,6 +1314,7 @@ static inline int xfrm_id_proto_match(u8 proto, u8 userproto)
* xfrm algorithm information
*/
struct xfrm_algo_aead_info {
char *geniv;
u16 icv_truncbits;
};
@ -1323,6 +1324,7 @@ struct xfrm_algo_auth_info {
};
struct xfrm_algo_encr_info {
char *geniv;
u16 blockbits;
u16 defkeybits;
};

16
net/xfrm/xfrm_algo.c
View File

@ -31,6 +31,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqniv",
.icv_truncbits = 64,
}
},
@ -49,6 +50,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqniv",
.icv_truncbits = 96,
}
},
@ -67,6 +69,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqniv",
.icv_truncbits = 128,
}
},
@ -85,6 +88,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqniv",
.icv_truncbits = 64,
}
},
@ -103,6 +107,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqniv",
.icv_truncbits = 96,
}
},
@ -121,6 +126,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqniv",
.icv_truncbits = 128,
}
},
@ -139,6 +145,7 @@ static struct xfrm_algo_desc aead_list[] = {
.uinfo = {
.aead = {
.geniv = "seqiv",
.icv_truncbits = 128,
}
},
@ -353,6 +360,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 64,
.defkeybits = 64,
}
@ -373,6 +381,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 64,
.defkeybits = 192,
}
@ -393,6 +402,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 64,
.defkeybits = 128,
}
@ -413,6 +423,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 64,
.defkeybits = 128,
}
@ -433,6 +444,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 128,
.defkeybits = 128,
}
@ -453,6 +465,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 128,
.defkeybits = 128,
}
@ -473,6 +486,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 128,
.defkeybits = 128,
}
@ -493,6 +507,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "echainiv",
.blockbits = 128,
.defkeybits = 128,
}
@ -512,6 +527,7 @@ static struct xfrm_algo_desc ealg_list[] = {
.uinfo = {
.encr = {
.geniv = "seqiv",
.blockbits = 128,
.defkeybits = 160, /* 128-bit key + 32-bit nonce */
}