/* ====================================================================
 * Copyright (c) 2016 The GmSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the GmSSL Project.
 *    (http://gmssl.org/)"
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 * 4. The name "GmSSL Project" must not be used to endorse or promote
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 *    permission. For written permission, please contact
 *    guanzhi1980@gmail.com.
 *
 * 5. Products derived from this software may not be called "GmSSL"
 *    nor may "GmSSL" appear in their names without prior written
 *    permission of the GmSSL Project.
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 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the GmSSL Project
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 *
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ====================================================================
 */

#include <openssl/err.h>
#include <openssl/sm9.h>
#include "sm9_lcl.h"

/*
 * h = H1(ID_B || hid, N)
 * Q_B = [h]P1 + P_pub
 * r_A = rand(1, N-1)
 * R_A = [r_A]Q_B
 */
SM9PublicKey *SM9_generate_key_exchange(SM9PublicParameters *mpk,
	const char *peer_id, size_t peer_idlen, BIGNUM **r)
{
	return NULL;
}

int SM9_compute_share_key(SM9PublicParameters *mpk,
	unsigned char *out, size_t *outlen,
	const char *peer_id, size_t peer_idlen, SM9PublicKey *peer_exch,
	const char *id, size_t idlen, SM9PublicKey *exch,
	SM9PrivateKey *sk, int initiator)
{
	return 0;
}