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kernel-pfkey: Add support for AES-GCM

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The next release of FreeBSD will support this.

While Linux defines constants for AES-GCM in pfkeyv2.h since 2.6.25 it
does not actually support it.  When SAs are installed via PF_KEY only a
lookup in XFRM's list of encryption algorithms is done, but AES-GCM is in
a different table for AEAD algorithms (there is currently no lookup
function to find algorithms in that table via PF_KEY identifier).
This commit is contained in:
Tobias Brunner
2015-08-20 18:55:45 +02:00
parent e79b0e07e4
commit e2a252a86f
1 changed files with 11 additions and 3 deletions
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src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c
+11 -3
View File
@@ -106,6 +106,12 @@
#define SADB_X_EALG_CASTCBC SADB_X_EALG_CAST128CBC #define SADB_X_EALG_CASTCBC SADB_X_EALG_CAST128CBC
#endif #endif
#if !defined(SADB_X_EALG_AES_GCM_ICV8) && defined(SADB_X_EALG_AESGCM8)
#define SADB_X_EALG_AES_GCM_ICV8 SADB_X_EALG_AESGCM8
#define SADB_X_EALG_AES_GCM_ICV12 SADB_X_EALG_AESGCM12
#define SADB_X_EALG_AES_GCM_ICV16 SADB_X_EALG_AESGCM16
#endif
#ifndef SOL_IP #ifndef SOL_IP
#define SOL_IP IPPROTO_IP #define SOL_IP IPPROTO_IP
#define SOL_IPV6 IPPROTO_IPV6 #define SOL_IPV6 IPPROTO_IPV6
@@ -826,9 +832,11 @@ static kernel_algorithm_t encryption_algs[] = {
/* {ENCR_AES_CCM_ICV8, SADB_X_EALG_AES_CCM_ICV8 }, */ /* {ENCR_AES_CCM_ICV8, SADB_X_EALG_AES_CCM_ICV8 }, */
/* {ENCR_AES_CCM_ICV12, SADB_X_EALG_AES_CCM_ICV12 }, */ /* {ENCR_AES_CCM_ICV12, SADB_X_EALG_AES_CCM_ICV12 }, */
/* {ENCR_AES_CCM_ICV16, SADB_X_EALG_AES_CCM_ICV16 }, */ /* {ENCR_AES_CCM_ICV16, SADB_X_EALG_AES_CCM_ICV16 }, */
/* {ENCR_AES_GCM_ICV8, SADB_X_EALG_AES_GCM_ICV8 }, */ #ifdef SADB_X_EALG_AES_GCM_ICV8 /* assume the others are defined too */
/* {ENCR_AES_GCM_ICV12, SADB_X_EALG_AES_GCM_ICV12 }, */ {ENCR_AES_GCM_ICV8, SADB_X_EALG_AES_GCM_ICV8 },
/* {ENCR_AES_GCM_ICV16, SADB_X_EALG_AES_GCM_ICV16 }, */ {ENCR_AES_GCM_ICV12, SADB_X_EALG_AES_GCM_ICV12 },
{ENCR_AES_GCM_ICV16, SADB_X_EALG_AES_GCM_ICV16 },
#endif
{END_OF_LIST, 0 }, {END_OF_LIST, 0 },
}; };