1189251Ssam/* 2189251Ssam * IKEv2 initiator (RFC 4306) for EAP-IKEV2 3189251Ssam * Copyright (c) 2007, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam */ 8189251Ssam 9189251Ssam#ifndef IKEV2_H 10189251Ssam#define IKEV2_H 11189251Ssam 12189251Ssam#include "eap_common/ikev2_common.h" 13189251Ssam 14189251Ssamstruct ikev2_proposal_data { 15189251Ssam u8 proposal_num; 16189251Ssam int integ; 17189251Ssam int prf; 18189251Ssam int encr; 19189251Ssam int dh; 20189251Ssam}; 21189251Ssam 22189251Ssam 23189251Ssamstruct ikev2_initiator_data { 24189251Ssam enum { SA_INIT, SA_AUTH, CHILD_SA, IKEV2_DONE } state; 25189251Ssam u8 i_spi[IKEV2_SPI_LEN]; 26189251Ssam u8 r_spi[IKEV2_SPI_LEN]; 27189251Ssam u8 i_nonce[IKEV2_NONCE_MAX_LEN]; 28189251Ssam size_t i_nonce_len; 29189251Ssam u8 r_nonce[IKEV2_NONCE_MAX_LEN]; 30189251Ssam size_t r_nonce_len; 31189251Ssam struct wpabuf *r_dh_public; 32189251Ssam struct wpabuf *i_dh_private; 33189251Ssam struct ikev2_proposal_data proposal; 34189251Ssam const struct dh_group *dh; 35189251Ssam struct ikev2_keys keys; 36189251Ssam u8 *IDi; 37189251Ssam size_t IDi_len; 38189251Ssam u8 *IDr; 39189251Ssam size_t IDr_len; 40189251Ssam u8 IDr_type; 41189251Ssam struct wpabuf *r_sign_msg; 42189251Ssam struct wpabuf *i_sign_msg; 43189251Ssam u8 *shared_secret; 44189251Ssam size_t shared_secret_len; 45189251Ssam enum { PEER_AUTH_CERT, PEER_AUTH_SECRET } peer_auth; 46189251Ssam u8 *key_pad; 47189251Ssam size_t key_pad_len; 48189251Ssam 49189251Ssam const u8 * (*get_shared_secret)(void *ctx, const u8 *IDr, 50189251Ssam size_t IDr_len, size_t *secret_len); 51189251Ssam void *cb_ctx; 52189251Ssam int unknown_user; 53189251Ssam}; 54189251Ssam 55189251Ssam 56189251Ssamvoid ikev2_initiator_deinit(struct ikev2_initiator_data *data); 57189251Ssamint ikev2_initiator_process(struct ikev2_initiator_data *data, 58189251Ssam const struct wpabuf *buf); 59189251Ssamstruct wpabuf * ikev2_initiator_build(struct ikev2_initiator_data *data); 60189251Ssam 61189251Ssam#endif /* IKEV2_H */ 62