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/*
* Calculate IKEv1 prf and keying material, for libreswan
*
* Copyright (C) 2007 Michael C. Richardson <mcr@xelerance.com>
* Copyright (C) 2010 Paul Wouters <paul@xelerance.com>
* Copyright (C) 2013 D. Hugh Redelmeier <hugh@mimosa.com>
* Copyright (C) 2015-2019 Andrew Cagney <cagney@gnu.org>
*
* 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 <https://www.gnu.org/licenses/gpl2.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.
*/
#ifndef ikev1_prf_h
#define ikev1_prf_h
#include "lswnss.h"
#include "chunk.h"
struct prf_desc;
struct encrypt_desc;
/*
* IKE SA SKEYID for authentication
*
* Be warned, this is not DSS (even though NIST call it Digital
* Signature Algorithm). It is used by RSA-SIG.
*/
PK11SymKey *ikev1_signature_skeyid(const struct prf_desc *prf_desc,
const chunk_t Ni_b, const chunk_t Nr_b,
PK11SymKey *dh_secret,
struct logger *logger);
PK11SymKey *ikev1_pre_shared_key_skeyid(const struct prf_desc *prf_desc,
const struct secret_preshared_stuff *pre_shared_key,
chunk_t Ni_b, chunk_t Nr_b,
struct logger *logger);
/*
* Authenticated keying material.
*
* Perhaps this should just return a struct?
*/
PK11SymKey *ikev1_skeyid_d(const struct prf_desc *prf_desc,
PK11SymKey *skeyid,
PK11SymKey *dh_secret,
chunk_t cky_i, chunk_t cky_r,
struct logger *logger);
PK11SymKey *ikev1_skeyid_a(const struct prf_desc *prf_desc,
PK11SymKey *skeyid,
PK11SymKey *skeyid_d, PK11SymKey *dh_secret,
chunk_t cky_i, chunk_t cky_r,
struct logger *logger);
PK11SymKey *ikev1_skeyid_e(const struct prf_desc *prf_desc,
PK11SymKey *skeyid,
PK11SymKey *skeyid_a, PK11SymKey *dh_secret,
chunk_t cky_i, chunk_t cky_r,
struct logger *logger);
PK11SymKey *ikev1_appendix_b_keymat_e(const struct prf_desc *prf_desc,
const struct encrypt_desc *encrypter,
PK11SymKey *skeyid_e,
unsigned required_keymat,
struct logger *logger);
chunk_t ikev1_section_5_keymat(const struct prf_desc *prf,
PK11SymKey *SKEYID_d,
PK11SymKey *g_xy,
uint8_t protocol,
shunk_t SPI,
chunk_t NI_b, chunk_t Nr_b,
unsigned required_keymat,
struct logger *logger);
#endif
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