/**********************************************************************
 *                          gost_keytrans.c                           *
 *             Copyright (c) 2005-2006 Cryptocom LTD                  *
 *         This file is distributed under the same license as OpenSSL *
 *                                                                    *
 *   ASN1 structure definition for GOST key transport                 *
 *          Requires OpenSSL 0.9.9 for compilation                    *
 **********************************************************************/
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include "gost_lcl.h"

ASN1_NDEF_SEQUENCE(GOST_KEY_TRANSPORT) = {
        ASN1_SIMPLE(GOST_KEY_TRANSPORT, key_info, GOST_KEY_INFO),
        ASN1_IMP(GOST_KEY_TRANSPORT, key_agreement_info, GOST_KEY_AGREEMENT_INFO, 0)
} ASN1_NDEF_SEQUENCE_END(GOST_KEY_TRANSPORT)

IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_TRANSPORT)

ASN1_NDEF_SEQUENCE(GOST_KEY_INFO) = {
        ASN1_SIMPLE(GOST_KEY_INFO, encrypted_key, ASN1_OCTET_STRING),
        ASN1_SIMPLE(GOST_KEY_INFO, imit,          ASN1_OCTET_STRING)
} ASN1_NDEF_SEQUENCE_END(GOST_KEY_INFO)

IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_INFO)

ASN1_NDEF_SEQUENCE(GOST_KEY_AGREEMENT_INFO) = {
        ASN1_SIMPLE(GOST_KEY_AGREEMENT_INFO, cipher, ASN1_OBJECT),
        ASN1_IMP_OPT(GOST_KEY_AGREEMENT_INFO, ephem_key, X509_PUBKEY, 0),
        ASN1_SIMPLE(GOST_KEY_AGREEMENT_INFO, eph_iv, ASN1_OCTET_STRING)
} ASN1_NDEF_SEQUENCE_END(GOST_KEY_AGREEMENT_INFO)

IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO)

ASN1_NDEF_SEQUENCE(GOST_KEY_PARAMS) = {
        ASN1_SIMPLE(GOST_KEY_PARAMS, key_params, ASN1_OBJECT),
        ASN1_SIMPLE(GOST_KEY_PARAMS, hash_params, ASN1_OBJECT),
        ASN1_OPT(GOST_KEY_PARAMS, cipher_params, ASN1_OBJECT),
} ASN1_NDEF_SEQUENCE_END(GOST_KEY_PARAMS)

IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_PARAMS)

ASN1_NDEF_SEQUENCE(GOST_CIPHER_PARAMS) = {
        ASN1_SIMPLE(GOST_CIPHER_PARAMS, iv, ASN1_OCTET_STRING),
        ASN1_SIMPLE(GOST_CIPHER_PARAMS, enc_param_set, ASN1_OBJECT),
} ASN1_NDEF_SEQUENCE_END(GOST_CIPHER_PARAMS)

IMPLEMENT_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS)

ASN1_NDEF_SEQUENCE(GOST_CLIENT_KEY_EXCHANGE_PARAMS) = { /* FIXME incomplete */
    ASN1_SIMPLE(GOST_CLIENT_KEY_EXCHANGE_PARAMS, gkt, GOST_KEY_TRANSPORT)
}

ASN1_NDEF_SEQUENCE_END(GOST_CLIENT_KEY_EXCHANGE_PARAMS)
IMPLEMENT_ASN1_FUNCTIONS(GOST_CLIENT_KEY_EXCHANGE_PARAMS)