diff options
| -rw-r--r-- | src/libcharon/Makefile.am | 1 | ||||
| -rw-r--r-- | src/libcharon/sa/keymat_v1.c | 130 | ||||
| -rw-r--r-- | src/libcharon/sa/keymat_v1.h | 47 |
3 files changed, 178 insertions, 0 deletions
diff --git a/src/libcharon/Makefile.am b/src/libcharon/Makefile.am index 6607bb017..c4ba18c5f 100644 --- a/src/libcharon/Makefile.am +++ b/src/libcharon/Makefile.am @@ -70,6 +70,7 @@ sa/ike_sa_manager.c sa/ike_sa_manager.h \ sa/task_manager.h sa/task_manager_v2.c sa/task_manager_v2.h \ sa/task_manager_v1.c sa/task_manager_v1.h \ sa/keymat.h sa/keymat_v2.c sa/keymat_v2.h \ +sa/keymat_v1.c sa/keymat_v1.h \ sa/shunt_manager.c sa/shunt_manager.h \ sa/trap_manager.c sa/trap_manager.h \ sa/tasks/child_create.c sa/tasks/child_create.h \ diff --git a/src/libcharon/sa/keymat_v1.c b/src/libcharon/sa/keymat_v1.c new file mode 100644 index 000000000..f73366d43 --- /dev/null +++ b/src/libcharon/sa/keymat_v1.c @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2011 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "keymat_v1.h" + +#include <daemon.h> + +typedef struct private_keymat_v1_t private_keymat_v1_t; + +/** + * Private data of an keymat_t object. + */ +struct private_keymat_v1_t { + + /** + * Public keymat_v1_t interface. + */ + keymat_v1_t public; + + /** + * IKE_SA Role, initiator or responder + */ + bool initiator; + + /** + * General purpose PRF + */ + prf_t *prf; + + /** + * Negotiated PRF algorithm + */ + pseudo_random_function_t prf_alg; + +}; + +METHOD(keymat_t, create_dh, diffie_hellman_t*, + private_keymat_v1_t *this, diffie_hellman_group_t group) +{ + return lib->crypto->create_dh(lib->crypto, group);; +} + +METHOD(keymat_t, derive_ike_keys, bool, + private_keymat_v1_t *this, proposal_t *proposal, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r, ike_sa_id_t *id, + pseudo_random_function_t rekey_function, chunk_t rekey_skd) +{ + return FALSE; +} + +METHOD(keymat_t, derive_child_keys, bool, + private_keymat_v1_t *this, proposal_t *proposal, diffie_hellman_t *dh, + chunk_t nonce_i, chunk_t nonce_r, chunk_t *encr_i, chunk_t *integ_i, + chunk_t *encr_r, chunk_t *integ_r) +{ + return FALSE; +} + +METHOD(keymat_t, get_skd, pseudo_random_function_t, + private_keymat_v1_t *this, chunk_t *skd) +{ + *skd = chunk_empty; + return this->prf_alg; +} + +METHOD(keymat_t, get_aead, aead_t*, + private_keymat_v1_t *this, bool in) +{ + return NULL; +} + +METHOD(keymat_t, get_auth_octets, chunk_t, + private_keymat_v1_t *this, bool verify, chunk_t ike_sa_init, + chunk_t nonce, identification_t *id, char reserved[3]) +{ + return chunk_empty; +} + +METHOD(keymat_t, get_psk_sig, chunk_t, + private_keymat_v1_t *this, bool verify, chunk_t ike_sa_init, + chunk_t nonce, chunk_t secret, identification_t *id, char reserved[3]) +{ + return chunk_empty; +} + +METHOD(keymat_t, destroy, void, + private_keymat_v1_t *this) +{ + DESTROY_IF(this->prf); + free(this); +} + +/** + * See header + */ +keymat_v1_t *keymat_v1_create(bool initiator) +{ + private_keymat_v1_t *this; + + INIT(this, + .public = { + .keymat = { + .create_dh = _create_dh, + .derive_ike_keys = _derive_ike_keys, + .derive_child_keys = _derive_child_keys, + .get_skd = _get_skd, + .get_aead = _get_aead, + .get_auth_octets = _get_auth_octets, + .get_psk_sig = _get_psk_sig, + .destroy = _destroy, + }, + }, + .initiator = initiator, + .prf_alg = PRF_UNDEFINED, + ); + + return &this->public; +} diff --git a/src/libcharon/sa/keymat_v1.h b/src/libcharon/sa/keymat_v1.h new file mode 100644 index 000000000..68057fa06 --- /dev/null +++ b/src/libcharon/sa/keymat_v1.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2011 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup keymat_v1 keymat_v1 + * @{ @ingroup sa + */ + +#ifndef KEYMAT_V1_H_ +#define KEYMAT_V1_H_ + +#include <sa/keymat.h> + +typedef struct keymat_v1_t keymat_v1_t; + +/** + * Derivation and management of sensitive keying material, IKEv1 variant. + */ +struct keymat_v1_t { + + /** + * Implements keymat_t. + */ + keymat_t keymat; +}; + +/** + * Create a keymat instance. + * + * @param initiator TRUE if we are the initiator + * @return keymat instance + */ +keymat_v1_t *keymat_v1_create(bool initiator); + +#endif /** KEYMAT_V1_H_ @}*/ |