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/*
* Copyright (C) 2017 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 IKE_ALG_DH_OPS_H
#define IKE_ALG_DH_OPS_H
#include "diag.h"
#include "chunk.h"
struct logger;
struct dh_ops {
const char *backend;
/*
* Delegate responsibility for checking OPS specific fields.
*/
void (*const check)(const struct dh_desc *alg, struct logger *logger);
/*
* Create the local secret and KE for remote.
*
* The LOCAL_PUBK parameter is arguably redundant - just the
* KE bytes and private key are needed - however MODP's
* CALC_G_IR() uses LOCAL_PUBK to fudge up the remote's public
* key.
*
* SIZEOF_KE == .BYTES from above, but pass it in so both ends
* can perform a sanity check.
*/
void (*calc_local_secret)(const struct dh_desc *group,
SECKEYPrivateKey **local_privk,
SECKEYPublicKey **locak_pubk,
struct logger *logger);
shunk_t (*local_secret_ke)(const struct dh_desc *group,
const SECKEYPublicKey *local_pubk);
diag_t (*calc_shared_secret)(const struct dh_desc *group,
SECKEYPrivateKey *local_privk,
const SECKEYPublicKey *local_pubk,
chunk_t remote_ke,
PK11SymKey **shared_secret,
struct logger *logger) MUST_USE_RESULT;
};
extern const struct dh_ops ike_alg_dh_nss_ecp_ops;
extern const struct dh_ops ike_alg_dh_nss_modp_ops;
#endif
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