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Annotation of embedaddon/strongswan/src/libimcv/pts/pts_dh_group.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2011 Sansar Choinyambuu
        !             3:  * HSR Hochschule fuer Technik Rapperswil
        !             4:  *
        !             5:  * This program is free software; you can redistribute it and/or modify it
        !             6:  * under the terms of the GNU General Public License as published by the
        !             7:  * Free Software Foundation; either version 2 of the License, or (at your
        !             8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
        !             9:  *
        !            10:  * This program is distributed in the hope that it will be useful, but
        !            11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        !            13:  * for more details.
        !            14:  */
        !            15: 
        !            16: /**
        !            17:  * @defgroup pts_dh_group pts_dh_group
        !            18:  * @{ @ingroup pts
        !            19:  */
        !            20: 
        !            21: #ifndef PTS_DH_GROUP_H_
        !            22: #define PTS_DH_GROUP_H_
        !            23: 
        !            24: #include <library.h>
        !            25: #include <crypto/diffie_hellman.h>
        !            26: 
        !            27: typedef enum pts_dh_group_t pts_dh_group_t;
        !            28: 
        !            29: /**
        !            30:  * PTS Diffie Hellman Group Values
        !            31:  */
        !            32: enum pts_dh_group_t {
        !            33:        /** No DH Group */
        !            34:        PTS_DH_GROUP_NONE  =                                    0,
        !            35:        /** IKE Group 2 */
        !            36:        PTS_DH_GROUP_IKE2  =                             (1<<15),
        !            37:        /** IKE Group 5 */
        !            38:        PTS_DH_GROUP_IKE5  =                             (1<<14),
        !            39:        /** IKE Group 14 */
        !            40:        PTS_DH_GROUP_IKE14 =                             (1<<13),
        !            41:        /** IKE Group 19 */
        !            42:        PTS_DH_GROUP_IKE19 =                             (1<<12),
        !            43:        /** IKE Group 20 */
        !            44:        PTS_DH_GROUP_IKE20 =                             (1<<11),
        !            45: };
        !            46: 
        !            47: /**
        !            48:  * Diffie-Hellman Group Values
        !            49:  * see section 3.8.6 of PTS Protocol: Binding to TNC IF-M Specification
        !            50:  *
        !            51:  *                       1
        !            52:  *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
        !            53:  *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
        !            54:  *  |1|2|3|4|5|R|R|R|R|R|R|R|R|R|R|R|
        !            55:  *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
        !            56:  *
        !            57:  */
        !            58: 
        !            59: /**
        !            60:  * Probe available PTS Diffie-Hellman groups
        !            61:  *
        !            62:  * @param dh_groups                            returns set of available DH groups
        !            63:  * @param mandatory_dh_groups  if TRUE enforce mandatory PTS DH groups
        !            64:  * @return                                             TRUE if mandatory DH groups are available
        !            65:  *                                                             or at least one optional DH group if
        !            66:  *                                                             mandatory_dh_groups is set to FALSE.
        !            67:  */
        !            68: bool pts_dh_group_probe(pts_dh_group_t *dh_groups, bool mandatory_dh_groups);
        !            69: 
        !            70: /**
        !            71:  * Update supported Diffie-Hellman groups according to configuration
        !            72:  *
        !            73:  * modp1024: PTS_DH_GROUP_IKE2
        !            74:  * modp1536: PTS_DH_GROUP_IKE2  | PTS_DH_GROUP_IKE5
        !            75:  * modp2048: PTS_DH_GROUP_IKE2  | PTS_DH_GROUP_IKE5  | PTS_DH_GROUP_IKE14
        !            76:  * ecp256:   PTS_DH_GROUP_IKE2  | PTS_DH_GROUP_IKE5  | PTS_DH_GROUP_IKE14 |
        !            77:  *           PTS_DH_GROUP_IKE19
        !            78:  * ecp384:   PTS_DH_GROUP_IKE2  | PTS_DH_GROUP_IKE5  | PTS_DH_GROUP_IKE14 |
        !            79:  *           PTS_DH_GROUP_IKE19 | PTS_DH_GROUP_IKE20
        !            80:  *
        !            81:  * The PTS-IMC is expected to select the strongest supported group
        !            82:  *
        !            83:  * @param dh_group                     configured DH group
        !            84:  * @param dh_groups                    returns set of available DH groups
        !            85:  */
        !            86: bool pts_dh_group_update(char *dh_group, pts_dh_group_t *dh_groups);
        !            87: 
        !            88: /**
        !            89:  * Select the strongest supported Diffie-Hellman group
        !            90:  * among a set of offered DH groups
        !            91:  *
        !            92:  * @param supported_groups     set of supported DH groups
        !            93:  * @param offered_groups       set of offered DH groups
        !            94:  * @return                                     selected DH group
        !            95:  */
        !            96: pts_dh_group_t pts_dh_group_select(pts_dh_group_t supported_groups,
        !            97:                                                                   pts_dh_group_t offered_groups);
        !            98: 
        !            99: /**
        !           100:  * Convert pts_dh_group_t to diffie_hellman_group_t
        !           101:  *
        !           102:  * @param dh_group                     PTS DH group type
        !           103:  * @return                                     IKE DH group type
        !           104:  */
        !           105: diffie_hellman_group_t pts_dh_group_to_ike(pts_dh_group_t dh_group);
        !           106: 
        !           107: #endif /** PTS_DH_GROUP_H_ @}*/