diff options
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_algo.c | 28 | ||||
| -rw-r--r-- | net/xfrm/xfrm_user.c | 40 |
2 files changed, 59 insertions, 9 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c index 12e82a5e4ad5..42f7c76cf853 100644 --- a/net/xfrm/xfrm_algo.c +++ b/net/xfrm/xfrm_algo.c @@ -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, } }, @@ -152,6 +159,18 @@ static struct xfrm_algo_desc aead_list[] = { .sadb_alg_maxbits = 256 } }, +{ + .name = "rfc7539esp(chacha20,poly1305)", + + .uinfo = { + .aead = { + .geniv = "seqniv", + .icv_truncbits = 128, + } + }, + + .pfkey_supported = 0, +}, }; static struct xfrm_algo_desc aalg_list[] = { @@ -353,6 +372,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 64, .defkeybits = 64, } @@ -373,6 +393,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 64, .defkeybits = 192, } @@ -393,6 +414,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 64, .defkeybits = 128, } @@ -413,6 +435,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 64, .defkeybits = 128, } @@ -433,6 +456,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 128, .defkeybits = 128, } @@ -453,6 +477,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 128, .defkeybits = 128, } @@ -473,6 +498,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 128, .defkeybits = 128, } @@ -493,6 +519,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "echainiv", .blockbits = 128, .defkeybits = 128, } @@ -512,6 +539,7 @@ static struct xfrm_algo_desc ealg_list[] = { .uinfo = { .encr = { + .geniv = "seqiv", .blockbits = 128, .defkeybits = 160, /* 128-bit key + 32-bit nonce */ } diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 2091664295ba..bd16c6c7e1e7 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -289,6 +289,31 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props, return 0; } +static int attach_crypt(struct xfrm_state *x, struct nlattr *rta) +{ + struct xfrm_algo *p, *ualg; + struct xfrm_algo_desc *algo; + + if (!rta) + return 0; + + ualg = nla_data(rta); + + algo = xfrm_ealg_get_byname(ualg->alg_name, 1); + if (!algo) + return -ENOSYS; + x->props.ealgo = algo->desc.sadb_alg_id; + + p = kmemdup(ualg, xfrm_alg_len(ualg), GFP_KERNEL); + if (!p) + return -ENOMEM; + + strcpy(p->alg_name, algo->name); + x->ealg = p; + x->geniv = algo->uinfo.encr.geniv; + return 0; +} + static int attach_auth(struct xfrm_algo_auth **algpp, u8 *props, struct nlattr *rta) { @@ -349,8 +374,7 @@ static int attach_auth_trunc(struct xfrm_algo_auth **algpp, u8 *props, return 0; } -static int attach_aead(struct xfrm_algo_aead **algpp, u8 *props, - struct nlattr *rta) +static int attach_aead(struct xfrm_state *x, struct nlattr *rta) { struct xfrm_algo_aead *p, *ualg; struct xfrm_algo_desc *algo; @@ -363,14 +387,15 @@ static int attach_aead(struct xfrm_algo_aead **algpp, u8 *props, algo = xfrm_aead_get_byname(ualg->alg_name, ualg->alg_icv_len, 1); if (!algo) return -ENOSYS; - *props = algo->desc.sadb_alg_id; + x->props.ealgo = algo->desc.sadb_alg_id; p = kmemdup(ualg, aead_len(ualg), GFP_KERNEL); if (!p) return -ENOMEM; strcpy(p->alg_name, algo->name); - *algpp = p; + x->aead = p; + x->geniv = algo->uinfo.aead.geniv; return 0; } @@ -515,8 +540,7 @@ static struct xfrm_state *xfrm_state_construct(struct net *net, if (attrs[XFRMA_SA_EXTRA_FLAGS]) x->props.extra_flags = nla_get_u32(attrs[XFRMA_SA_EXTRA_FLAGS]); - if ((err = attach_aead(&x->aead, &x->props.ealgo, - attrs[XFRMA_ALG_AEAD]))) + if ((err = attach_aead(x, attrs[XFRMA_ALG_AEAD]))) goto error; if ((err = attach_auth_trunc(&x->aalg, &x->props.aalgo, attrs[XFRMA_ALG_AUTH_TRUNC]))) @@ -526,9 +550,7 @@ static struct xfrm_state *xfrm_state_construct(struct net *net, attrs[XFRMA_ALG_AUTH]))) goto error; } - if ((err = attach_one_algo(&x->ealg, &x->props.ealgo, - xfrm_ealg_get_byname, - attrs[XFRMA_ALG_CRYPT]))) + if ((err = attach_crypt(x, attrs[XFRMA_ALG_CRYPT]))) goto error; if ((err = attach_one_algo(&x->calg, &x->props.calgo, xfrm_calg_get_byname, |