/src/openssl/engines/ccgost/gost_pmeth.c

Source (jump to first uncovered line)
/**********************************************************************
 *                          gost_pmeth.c                              *
 *             Copyright (c) 2005-2006 Cryptocom LTD                  *
 *         This file is distributed under the same license as OpenSSL *
 *                                                                    *
 *   Implementation of RFC 4357 (GOST R 34.10) Publick key method     *
 *       for OpenSSL                                                  *
 *          Requires OpenSSL 0.9.9 for compilation                    *
 **********************************************************************/
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/ec.h>
#include <openssl/x509v3.h>     /* For string_to_hex */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "gost_params.h"
#include "gost_lcl.h"
#include "e_gost_err.h"
/* -----init, cleanup, copy - uniform for all algs  ---------------*/
/* Allocates new gost_pmeth_data structure and assigns it as data */
static int pkey_gost_init(EVP_PKEY_CTX *ctx)
{
    struct gost_pmeth_data *data;
    EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
    data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
    if (!data)
        return 0;
    memset(data, 0, sizeof(struct gost_pmeth_data));
    if (pkey && EVP_PKEY_get0(pkey)) {
        switch (EVP_PKEY_base_id(pkey)) {
        case NID_id_GostR3410_94:
            data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
            break;
        case NID_id_GostR3410_2001:
            data->sign_param_nid =
                EC_GROUP_get_curve_name(EC_KEY_get0_group
                                        (EVP_PKEY_get0((EVP_PKEY *)pkey)));
            break;
        default:
            return 0;
        }
    }
    EVP_PKEY_CTX_set_data(ctx, data);
    return 1;
}

/* Copies contents of gost_pmeth_data structure */
static int pkey_gost_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
{
    struct gost_pmeth_data *dst_data, *src_data;
    if (!pkey_gost_init(dst)) {
        return 0;
    }
    src_data = EVP_PKEY_CTX_get_data(src);
    dst_data = EVP_PKEY_CTX_get_data(dst);
    *dst_data = *src_data;
    if (src_data->shared_ukm) {
        dst_data->shared_ukm = NULL;
    }
    return 1;
}

/* Frees up gost_pmeth_data structure */
static void pkey_gost_cleanup(EVP_PKEY_CTX *ctx)
{
    struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
    if (data->shared_ukm)
        OPENSSL_free(data->shared_ukm);
    OPENSSL_free(data);
}

/* --------------------- control functions  ------------------------------*/
static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
    struct gost_pmeth_data *pctx =
        (struct gost_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
    switch (type) {
    case EVP_PKEY_CTRL_MD:
        {
            if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94) {
                GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
                return 0;
            }
            pctx->md = (EVP_MD *)p2;
            return 1;
        }
        break;

    case EVP_PKEY_CTRL_GET_MD:
        *(const EVP_MD **)p2 = pctx->md;
        return 1;

    case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
    case EVP_PKEY_CTRL_PKCS7_DECRYPT:
    case EVP_PKEY_CTRL_PKCS7_SIGN:
    case EVP_PKEY_CTRL_DIGESTINIT:
#ifndef OPENSSL_NO_CMS
    case EVP_PKEY_CTRL_CMS_ENCRYPT:
    case EVP_PKEY_CTRL_CMS_DECRYPT:
    case EVP_PKEY_CTRL_CMS_SIGN:
#endif
        return 1;

    case EVP_PKEY_CTRL_GOST_PARAMSET:
        pctx->sign_param_nid = (int)p1;
        return 1;
    case EVP_PKEY_CTRL_SET_IV:
        pctx->shared_ukm = OPENSSL_malloc((int)p1);
        if (pctx->shared_ukm == NULL)
            return 0;
        memcpy(pctx->shared_ukm, p2, (int)p1);
        return 1;
    case EVP_PKEY_CTRL_PEER_KEY:
        if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
            return 1;
        if (p1 == 2)            /* TLS: peer key used? */
            return pctx->peer_key_used;
        if (p1 == 3)            /* TLS: peer key used! */
            return (pctx->peer_key_used = 1);
        return -2;
    }
    return -2;
}

static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
                                const char *type, const char *value)
{
    int param_nid = 0;
    if (!strcmp(type, param_ctrl_string)) {
        if (!value) {
            return 0;
        }
        if (strlen(value) == 1) {
            switch (toupper((unsigned char)value[0])) {
            case 'A':
                param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
                break;
            case 'B':
                param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
                break;
            case 'C':
                param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
                break;
            case 'D':
                param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
                break;
            default:
                return 0;
                break;
            }
        } else if ((strlen(value) == 2)
                   && (toupper((unsigned char)value[0]) == 'X')) {
            switch (toupper((unsigned char)value[1])) {
            case 'A':
                param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
                break;
            case 'B':
                param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
                break;
            case 'C':
                param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
                break;
            default:
                return 0;
                break;
            }
        } else {
            R3410_params *p = R3410_paramset;
            param_nid = OBJ_txt2nid(value);
            if (param_nid == NID_undef) {
                return 0;
            }
            for (; p->nid != NID_undef; p++) {
                if (p->nid == param_nid)
                    break;
            }
            if (p->nid == NID_undef) {
                GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR, GOST_R_INVALID_PARAMSET);
                return 0;
            }
        }

        return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
                              param_nid, NULL);
    }
    return -2;
}

static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
                                const char *type, const char *value)
{
    int param_nid = 0;
    if (!strcmp(type, param_ctrl_string)) {
        if (!value) {
            return 0;
        }
        if (strlen(value) == 1) {
            switch (toupper((unsigned char)value[0])) {
            case 'A':
                param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
                break;
            case 'B':
                param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
                break;
            case 'C':
                param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
                break;
            case '0':
                param_nid = NID_id_GostR3410_2001_TestParamSet;
                break;
            default:
                return 0;
                break;
            }
        } else if ((strlen(value) == 2)
                   && (toupper((unsigned char)value[0]) == 'X')) {
            switch (toupper((unsigned char)value[1])) {
            case 'A':
                param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
                break;
            case 'B':
                param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
                break;
            default:
                return 0;
                break;
            }
        } else {
            R3410_2001_params *p = R3410_2001_paramset;
            param_nid = OBJ_txt2nid(value);
            if (param_nid == NID_undef) {
                return 0;
            }
            for (; p->nid != NID_undef; p++) {
                if (p->nid == param_nid)
                    break;
            }
            if (p->nid == NID_undef) {
                GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR, GOST_R_INVALID_PARAMSET);
                return 0;
            }
        }

        return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
                              param_nid, NULL);
    }
    return -2;
}

/* --------------------- key generation  --------------------------------*/

static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx)
{
    return 1;
}

static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
    struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
    DSA *dsa = NULL;
    if (data->sign_param_nid == NID_undef) {
        GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
        return 0;
    }
    dsa = DSA_new();
    if (!fill_GOST94_params(dsa, data->sign_param_nid)) {
        DSA_free(dsa);
        return 0;
    }
    EVP_PKEY_assign(pkey, NID_id_GostR3410_94, dsa);
    return 1;
}

static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
    struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
    EC_KEY *ec = NULL;

    if (data->sign_param_nid == NID_undef) {
        GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
        return 0;
    }
    if (!ec)
        ec = EC_KEY_new();
    if (!fill_GOST2001_params(ec, data->sign_param_nid)) {
        EC_KEY_free(ec);
        return 0;
    }
    EVP_PKEY_assign(pkey, NID_id_GostR3410_2001, ec);
    return 1;
}

/* Generates Gost_R3410_94_cp key */
static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
    DSA *dsa;
    if (!pkey_gost94_paramgen(ctx, pkey))
        return 0;
    dsa = EVP_PKEY_get0(pkey);
    gost_sign_keygen(dsa);
    return 1;
}

/* Generates GOST_R3410 2001 key and assigns it using specified type */
static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
    EC_KEY *ec;
    if (!pkey_gost01_paramgen(ctx, pkey))
        return 0;
    ec = EVP_PKEY_get0(pkey);
    gost2001_keygen(ec);
    return 1;
}

/* ----------- sign callbacks --------------------------------------*/

static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
                               size_t *siglen, const unsigned char *tbs,
                               size_t tbs_len)
{
    DSA_SIG *unpacked_sig = NULL;
    EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
    if (!siglen)
        return 0;
    if (!sig) {
        *siglen = 64;           /* better to check size of pkey->pkey.dsa-q */
        return 1;
    }
    unpacked_sig = gost_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
    if (!unpacked_sig) {
        return 0;
    }
    return pack_sign_cp(unpacked_sig, 32, sig, siglen);
}

static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
                               size_t *siglen, const unsigned char *tbs,
                               size_t tbs_len)
{
    DSA_SIG *unpacked_sig = NULL;
    EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
    if (!siglen)
        return 0;
    if (!sig) {
        *siglen = 64;           /* better to check size of curve order */
        return 1;
    }
    unpacked_sig = gost2001_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
    if (!unpacked_sig) {
        return 0;
    }
    return pack_sign_cp(unpacked_sig, 32, sig, siglen);
}

/* ------------------- verify callbacks ---------------------------*/

static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
                                 size_t siglen, const unsigned char *tbs,
                                 size_t tbs_len)
{
    int ok = 0;
    EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
    DSA_SIG *s = unpack_cp_signature(sig, siglen);
    if (!s)
        return 0;
    if (pub_key)
        ok = gost_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
    DSA_SIG_free(s);
    return ok;
}

static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
                                 size_t siglen, const unsigned char *tbs,
                                 size_t tbs_len)
{
    int ok = 0;
    EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
    DSA_SIG *s = unpack_cp_signature(sig, siglen);
    if (!s)
        return 0;
#ifdef DEBUG_SIGN
    fprintf(stderr, "R=");
    BN_print_fp(stderr, s->r);
    fprintf(stderr, "\nS=");
    BN_print_fp(stderr, s->s);
    fprintf(stderr, "\n");
#endif
    if (pub_key)
        ok = gost2001_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
    DSA_SIG_free(s);
    return ok;
}

/* ------------- encrypt init -------------------------------------*/
/* Generates ephermeral key */
static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
{
    return 1;
}

/* --------------- Derive init ------------------------------------*/
static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
{
    return 1;
}

/* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
{
    struct gost_mac_pmeth_data *data;
    data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
    if (!data)
        return 0;
    memset(data, 0, sizeof(struct gost_mac_pmeth_data));
    EVP_PKEY_CTX_set_data(ctx, data);
    return 1;
}

static void pkey_gost_mac_cleanup(EVP_PKEY_CTX *ctx)
{
    struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
    OPENSSL_free(data);
}

static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
{
    struct gost_mac_pmeth_data *dst_data, *src_data;
    if (!pkey_gost_mac_init(dst)) {
        return 0;
    }
    src_data = EVP_PKEY_CTX_get_data(src);
    dst_data = EVP_PKEY_CTX_get_data(dst);
    *dst_data = *src_data;
    return 1;
}

static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
    struct gost_mac_pmeth_data *data =
        (struct gost_mac_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);

    switch (type) {
    case EVP_PKEY_CTRL_MD:
        {
            if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC) {
                GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
                        GOST_R_INVALID_DIGEST_TYPE);
                return 0;
            }
            data->md = (EVP_MD *)p2;
            return 1;
        }
        break;

    case EVP_PKEY_CTRL_GET_MD:
        *(const EVP_MD **)p2 = data->md;
        return 1;

    case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
    case EVP_PKEY_CTRL_PKCS7_DECRYPT:
    case EVP_PKEY_CTRL_PKCS7_SIGN:
        return 1;
    case EVP_PKEY_CTRL_SET_MAC_KEY:
        if (p1 != 32) {
            GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_MAC_KEY_LENGTH);
            return 0;
        }

        memcpy(data->key, p2, 32);
        data->key_set = 1;
        return 1;
    case EVP_PKEY_CTRL_DIGESTINIT:
        {
            EVP_MD_CTX *mctx = p2;
            void *key;
            if (!data->key_set) {
                EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
                if (!pkey) {
                    GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
                            GOST_R_MAC_KEY_NOT_SET);
                    return 0;
                }
                key = EVP_PKEY_get0(pkey);
                if (!key) {
                    GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
                            GOST_R_MAC_KEY_NOT_SET);
                    return 0;
                }
            } else {
                key = &(data->key);
            }
            return mctx->digest->md_ctrl(mctx, EVP_MD_CTRL_SET_KEY, 32, key);
        }
    }
    return -2;
}

static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
                                  const char *type, const char *value)
{
    if (!strcmp(type, key_ctrl_string)) {
        if (strlen(value) != 32) {
            GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
                    GOST_R_INVALID_MAC_KEY_LENGTH);
            return 0;
        }
        return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
                                  32, (char *)value);
    }
    if (!strcmp(type, hexkey_ctrl_string)) {
        long keylen;
        int ret;
        unsigned char *keybuf = string_to_hex(value, &keylen);
        if (!keybuf || keylen != 32) {
            GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
                    GOST_R_INVALID_MAC_KEY_LENGTH);
            OPENSSL_free(keybuf);
            return 0;
        }
        ret = pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, 32, keybuf);
        OPENSSL_free(keybuf);
        return ret;

    }
    return -2;
}

static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
    struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
    unsigned char *keydata;
    if (!data->key_set) {
        GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN, GOST_R_MAC_KEY_NOT_SET);
        return 0;
    }
    keydata = OPENSSL_malloc(32);
    if (keydata == NULL)
        return 0;
    memcpy(keydata, data->key, 32);
    EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
    return 1;
}

static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
{
    return 1;
}

static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
                                 size_t *siglen, EVP_MD_CTX *mctx)
{
    unsigned int tmpsiglen = *siglen; /* for platforms where
                                       * sizeof(int)!=sizeof(size_t) */
    int ret;
    if (!sig) {
        *siglen = 4;
        return 1;
    }
    ret = EVP_DigestFinal_ex(mctx, sig, &tmpsiglen);
    *siglen = tmpsiglen;
    return ret;
}

/* ----------------------------------------------------------------*/
int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth, int flags)
{
    *pmeth = EVP_PKEY_meth_new(id, flags);
    if (!*pmeth)
        return 0;

    switch (id) {
    case NID_id_GostR3410_94:
        EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl94_str);
        EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost94cp_keygen);
        EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
        EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
        EVP_PKEY_meth_set_encrypt(*pmeth,
                                  pkey_gost_encrypt_init,
                                  pkey_GOST94cp_encrypt);
        EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
        EVP_PKEY_meth_set_derive(*pmeth,
                                 pkey_gost_derive_init, pkey_gost94_derive);
        EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
                                   pkey_gost94_paramgen);
        break;
    case NID_id_GostR3410_2001:
        EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl01_str);
        EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
        EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);

        EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);

        EVP_PKEY_meth_set_encrypt(*pmeth,
                                  pkey_gost_encrypt_init,
                                  pkey_GOST01cp_encrypt);
        EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
        EVP_PKEY_meth_set_derive(*pmeth,
                                 pkey_gost_derive_init, pkey_gost2001_derive);
        EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
                                   pkey_gost01_paramgen);
        break;
    case NID_id_Gost28147_89_MAC:
        EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_mac_ctrl,
                               pkey_gost_mac_ctrl_str);
        EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_mac_signctx_init,
                                  pkey_gost_mac_signctx);
        EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_mac_keygen);
        EVP_PKEY_meth_set_init(*pmeth, pkey_gost_mac_init);
        EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
        EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
        return 1;
    default:                   /* Unsupported method */
        return 0;
    }
    EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
    EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);

    EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
    /*
     * FIXME derive etc...
     */

    return 1;
}

Coverage Report

Created: 2022-11-30 06:20

Line	Count	Source (jump to first uncovered line)
1		/**********************************************************************
2		* gost_pmeth.c *
3		* Copyright (c) 2005-2006 Cryptocom LTD *
4		* This file is distributed under the same license as OpenSSL *
5		* *
6		* Implementation of RFC 4357 (GOST R 34.10) Publick key method *
7		* for OpenSSL *
8		* Requires OpenSSL 0.9.9 for compilation *
9		**********************************************************************/
10		#include <openssl/evp.h>
11		#include <openssl/objects.h>
12		#include <openssl/ec.h>
13		#include <openssl/x509v3.h> /* For string_to_hex */
14		#include <stdlib.h>
15		#include <string.h>
16		#include <ctype.h>
17		#include "gost_params.h"
18		#include "gost_lcl.h"
19		#include "e_gost_err.h"
20		/* -----init, cleanup, copy - uniform for all algs ---------------*/
21		/* Allocates new gost_pmeth_data structure and assigns it as data */
22		static int pkey_gost_init(EVP_PKEY_CTX *ctx)
23	0	{
24	0	struct gost_pmeth_data *data;
25	0	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
26	0	data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
27	0	if (!data)
28	0	return 0;
29	0	memset(data, 0, sizeof(struct gost_pmeth_data));
30	0	if (pkey && EVP_PKEY_get0(pkey)) {
31	0	switch (EVP_PKEY_base_id(pkey)) {
32	0	case NID_id_GostR3410_94:
33	0	data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
34	0	break;
35	0	case NID_id_GostR3410_2001:
36	0	data->sign_param_nid =
37	0	EC_GROUP_get_curve_name(EC_KEY_get0_group
38	0	(EVP_PKEY_get0((EVP_PKEY *)pkey)));
39	0	break;
40	0	default:
41	0	return 0;
42	0	}
43	0	}
44	0	EVP_PKEY_CTX_set_data(ctx, data);
45	0	return 1;
46	0	}
47
48		/* Copies contents of gost_pmeth_data structure */
49		static int pkey_gost_copy(EVP_PKEY_CTX dst, EVP_PKEY_CTX src)
50	0	{
51	0	struct gost_pmeth_data dst_data, src_data;
52	0	if (!pkey_gost_init(dst)) {
53	0	return 0;
54	0	}
55	0	src_data = EVP_PKEY_CTX_get_data(src);
56	0	dst_data = EVP_PKEY_CTX_get_data(dst);
57	0	dst_data = src_data;
58	0	if (src_data->shared_ukm) {
59	0	dst_data->shared_ukm = NULL;
60	0	}
61	0	return 1;
62	0	}
63
64		/* Frees up gost_pmeth_data structure */
65		static void pkey_gost_cleanup(EVP_PKEY_CTX *ctx)
66	0	{
67	0	struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
68	0	if (data->shared_ukm)
69	0	OPENSSL_free(data->shared_ukm);
70	0	OPENSSL_free(data);
71	0	}
72
73		/* --------------------- control functions ------------------------------*/
74		static int pkey_gost_ctrl(EVP_PKEY_CTX ctx, int type, int p1, void p2)
75	0	{
76	0	struct gost_pmeth_data *pctx =
77	0	(struct gost_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
78	0	switch (type) {
79	0	case EVP_PKEY_CTRL_MD:
80	0	{
81	0	if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94) {
82	0	GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
83	0	return 0;
84	0	}
85	0	pctx->md = (EVP_MD *)p2;
86	0	return 1;
87	0	}
88	0	break;
89
90	0	case EVP_PKEY_CTRL_GET_MD:
91	0	(const EVP_MD *)p2 = pctx->md;
92	0	return 1;
93
94	0	case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
95	0	case EVP_PKEY_CTRL_PKCS7_DECRYPT:
96	0	case EVP_PKEY_CTRL_PKCS7_SIGN:
97	0	case EVP_PKEY_CTRL_DIGESTINIT:
98	0	#ifndef OPENSSL_NO_CMS
99	0	case EVP_PKEY_CTRL_CMS_ENCRYPT:
100	0	case EVP_PKEY_CTRL_CMS_DECRYPT:
101	0	case EVP_PKEY_CTRL_CMS_SIGN:
102	0	#endif
103	0	return 1;
104
105	0	case EVP_PKEY_CTRL_GOST_PARAMSET:
106	0	pctx->sign_param_nid = (int)p1;
107	0	return 1;
108	0	case EVP_PKEY_CTRL_SET_IV:
109	0	pctx->shared_ukm = OPENSSL_malloc((int)p1);
110	0	if (pctx->shared_ukm == NULL)
111	0	return 0;
112	0	memcpy(pctx->shared_ukm, p2, (int)p1);
113	0	return 1;
114	0	case EVP_PKEY_CTRL_PEER_KEY:
115	0	if (p1 == 0 \|\| p1 == 1) /* call from EVP_PKEY_derive_set_peer */
116	0	return 1;
117	0	if (p1 == 2) /* TLS: peer key used? */
118	0	return pctx->peer_key_used;
119	0	if (p1 == 3) /* TLS: peer key used! */
120	0	return (pctx->peer_key_used = 1);
121	0	return -2;
122	0	}
123	0	return -2;
124	0	}
125
126		static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
127		const char type, const char value)
128	0	{
129	0	int param_nid = 0;
130	0	if (!strcmp(type, param_ctrl_string)) {
131	0	if (!value) {
132	0	return 0;
133	0	}
134	0	if (strlen(value) == 1) {
135	0	switch (toupper((unsigned char)value[0])) {
136	0	case 'A':
137	0	param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
138	0	break;
139	0	case 'B':
140	0	param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
141	0	break;
142	0	case 'C':
143	0	param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
144	0	break;
145	0	case 'D':
146	0	param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
147	0	break;
148	0	default:
149	0	return 0;
150	0	break;
151	0	}
152	0	} else if ((strlen(value) == 2)
153	0	&& (toupper((unsigned char)value[0]) == 'X')) {
154	0	switch (toupper((unsigned char)value[1])) {
155	0	case 'A':
156	0	param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
157	0	break;
158	0	case 'B':
159	0	param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
160	0	break;
161	0	case 'C':
162	0	param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
163	0	break;
164	0	default:
165	0	return 0;
166	0	break;
167	0	}
168	0	} else {
169	0	R3410_params *p = R3410_paramset;
170	0	param_nid = OBJ_txt2nid(value);
171	0	if (param_nid == NID_undef) {
172	0	return 0;
173	0	}
174	0	for (; p->nid != NID_undef; p++) {
175	0	if (p->nid == param_nid)
176	0	break;
177	0	}
178	0	if (p->nid == NID_undef) {
179	0	GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR, GOST_R_INVALID_PARAMSET);
180	0	return 0;
181	0	}
182	0	}
183
184	0	return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
185	0	param_nid, NULL);
186	0	}
187	0	return -2;
188	0	}
189
190		static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
191		const char type, const char value)
192	0	{
193	0	int param_nid = 0;
194	0	if (!strcmp(type, param_ctrl_string)) {
195	0	if (!value) {
196	0	return 0;
197	0	}
198	0	if (strlen(value) == 1) {
199	0	switch (toupper((unsigned char)value[0])) {
200	0	case 'A':
201	0	param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
202	0	break;
203	0	case 'B':
204	0	param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
205	0	break;
206	0	case 'C':
207	0	param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
208	0	break;
209	0	case '0':
210	0	param_nid = NID_id_GostR3410_2001_TestParamSet;
211	0	break;
212	0	default:
213	0	return 0;
214	0	break;
215	0	}
216	0	} else if ((strlen(value) == 2)
217	0	&& (toupper((unsigned char)value[0]) == 'X')) {
218	0	switch (toupper((unsigned char)value[1])) {
219	0	case 'A':
220	0	param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
221	0	break;
222	0	case 'B':
223	0	param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
224	0	break;
225	0	default:
226	0	return 0;
227	0	break;
228	0	}
229	0	} else {
230	0	R3410_2001_params *p = R3410_2001_paramset;
231	0	param_nid = OBJ_txt2nid(value);
232	0	if (param_nid == NID_undef) {
233	0	return 0;
234	0	}
235	0	for (; p->nid != NID_undef; p++) {
236	0	if (p->nid == param_nid)
237	0	break;
238	0	}
239	0	if (p->nid == NID_undef) {
240	0	GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR, GOST_R_INVALID_PARAMSET);
241	0	return 0;
242	0	}
243	0	}
244
245	0	return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
246	0	param_nid, NULL);
247	0	}
248	0	return -2;
249	0	}
250
251		/* --------------------- key generation --------------------------------*/
252
253		static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx)
254	0	{
255	0	return 1;
256	0	}
257
258		static int pkey_gost94_paramgen(EVP_PKEY_CTX ctx, EVP_PKEY pkey)
259	0	{
260	0	struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
261	0	DSA *dsa = NULL;
262	0	if (data->sign_param_nid == NID_undef) {
263	0	GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
264	0	return 0;
265	0	}
266	0	dsa = DSA_new();
267	0	if (!fill_GOST94_params(dsa, data->sign_param_nid)) {
268	0	DSA_free(dsa);
269	0	return 0;
270	0	}
271	0	EVP_PKEY_assign(pkey, NID_id_GostR3410_94, dsa);
272	0	return 1;
273	0	}
274
275		static int pkey_gost01_paramgen(EVP_PKEY_CTX ctx, EVP_PKEY pkey)
276	0	{
277	0	struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
278	0	EC_KEY *ec = NULL;
279
280	0	if (data->sign_param_nid == NID_undef) {
281	0	GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
282	0	return 0;
283	0	}
284	0	if (!ec)
285	0	ec = EC_KEY_new();
286	0	if (!fill_GOST2001_params(ec, data->sign_param_nid)) {
287	0	EC_KEY_free(ec);
288	0	return 0;
289	0	}
290	0	EVP_PKEY_assign(pkey, NID_id_GostR3410_2001, ec);
291	0	return 1;
292	0	}
293
294		/* Generates Gost_R3410_94_cp key */
295		static int pkey_gost94cp_keygen(EVP_PKEY_CTX ctx, EVP_PKEY pkey)
296	0	{
297	0	DSA *dsa;
298	0	if (!pkey_gost94_paramgen(ctx, pkey))
299	0	return 0;
300	0	dsa = EVP_PKEY_get0(pkey);
301	0	gost_sign_keygen(dsa);
302	0	return 1;
303	0	}
304
305		/* Generates GOST_R3410 2001 key and assigns it using specified type */
306		static int pkey_gost01cp_keygen(EVP_PKEY_CTX ctx, EVP_PKEY pkey)
307	0	{
308	0	EC_KEY *ec;
309	0	if (!pkey_gost01_paramgen(ctx, pkey))
310	0	return 0;
311	0	ec = EVP_PKEY_get0(pkey);
312	0	gost2001_keygen(ec);
313	0	return 1;
314	0	}
315
316		/* ----------- sign callbacks --------------------------------------*/
317
318		static int pkey_gost94_cp_sign(EVP_PKEY_CTX ctx, unsigned char sig,
319		size_t siglen, const unsigned char tbs,
320		size_t tbs_len)
321	0	{
322	0	DSA_SIG *unpacked_sig = NULL;
323	0	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
324	0	if (!siglen)
325	0	return 0;
326	0	if (!sig) {
327	0	siglen = 64; / better to check size of pkey->pkey.dsa-q */
328	0	return 1;
329	0	}
330	0	unpacked_sig = gost_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
331	0	if (!unpacked_sig) {
332	0	return 0;
333	0	}
334	0	return pack_sign_cp(unpacked_sig, 32, sig, siglen);
335	0	}
336
337		static int pkey_gost01_cp_sign(EVP_PKEY_CTX ctx, unsigned char sig,
338		size_t siglen, const unsigned char tbs,
339		size_t tbs_len)
340	0	{
341	0	DSA_SIG *unpacked_sig = NULL;
342	0	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
343	0	if (!siglen)
344	0	return 0;
345	0	if (!sig) {
346	0	siglen = 64; / better to check size of curve order */
347	0	return 1;
348	0	}
349	0	unpacked_sig = gost2001_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
350	0	if (!unpacked_sig) {
351	0	return 0;
352	0	}
353	0	return pack_sign_cp(unpacked_sig, 32, sig, siglen);
354	0	}
355
356		/* ------------------- verify callbacks ---------------------------*/
357
358		static int pkey_gost94_cp_verify(EVP_PKEY_CTX ctx, const unsigned char sig,
359		size_t siglen, const unsigned char *tbs,
360		size_t tbs_len)
361	0	{
362	0	int ok = 0;
363	0	EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
364	0	DSA_SIG *s = unpack_cp_signature(sig, siglen);
365	0	if (!s)
366	0	return 0;
367	0	if (pub_key)
368	0	ok = gost_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
369	0	DSA_SIG_free(s);
370	0	return ok;
371	0	}
372
373		static int pkey_gost01_cp_verify(EVP_PKEY_CTX ctx, const unsigned char sig,
374		size_t siglen, const unsigned char *tbs,
375		size_t tbs_len)
376	0	{
377	0	int ok = 0;
378	0	EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
379	0	DSA_SIG *s = unpack_cp_signature(sig, siglen);
380	0	if (!s)
381	0	return 0;
382		#ifdef DEBUG_SIGN
383		fprintf(stderr, "R=");
384		BN_print_fp(stderr, s->r);
385		fprintf(stderr, "\nS=");
386		BN_print_fp(stderr, s->s);
387		fprintf(stderr, "\n");
388		#endif
389	0	if (pub_key)
390	0	ok = gost2001_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
391	0	DSA_SIG_free(s);
392	0	return ok;
393	0	}
394
395		/* ------------- encrypt init -------------------------------------*/
396		/* Generates ephermeral key */
397		static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
398	0	{
399	0	return 1;
400	0	}
401
402		/* --------------- Derive init ------------------------------------*/
403		static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
404	0	{
405	0	return 1;
406	0	}
407
408		/* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
409		static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
410	0	{
411	0	struct gost_mac_pmeth_data *data;
412	0	data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
413	0	if (!data)
414	0	return 0;
415	0	memset(data, 0, sizeof(struct gost_mac_pmeth_data));
416	0	EVP_PKEY_CTX_set_data(ctx, data);
417	0	return 1;
418	0	}
419
420		static void pkey_gost_mac_cleanup(EVP_PKEY_CTX *ctx)
421	0	{
422	0	struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
423	0	OPENSSL_free(data);
424	0	}
425
426		static int pkey_gost_mac_copy(EVP_PKEY_CTX dst, EVP_PKEY_CTX src)
427	0	{
428	0	struct gost_mac_pmeth_data dst_data, src_data;
429	0	if (!pkey_gost_mac_init(dst)) {
430	0	return 0;
431	0	}
432	0	src_data = EVP_PKEY_CTX_get_data(src);
433	0	dst_data = EVP_PKEY_CTX_get_data(dst);
434	0	dst_data = src_data;
435	0	return 1;
436	0	}
437
438		static int pkey_gost_mac_ctrl(EVP_PKEY_CTX ctx, int type, int p1, void p2)
439	0	{
440	0	struct gost_mac_pmeth_data *data =
441	0	(struct gost_mac_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
442
443	0	switch (type) {
444	0	case EVP_PKEY_CTRL_MD:
445	0	{
446	0	if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC) {
447	0	GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
448	0	GOST_R_INVALID_DIGEST_TYPE);
449	0	return 0;
450	0	}
451	0	data->md = (EVP_MD *)p2;
452	0	return 1;
453	0	}
454	0	break;
455
456	0	case EVP_PKEY_CTRL_GET_MD:
457	0	(const EVP_MD *)p2 = data->md;
458	0	return 1;
459
460	0	case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
461	0	case EVP_PKEY_CTRL_PKCS7_DECRYPT:
462	0	case EVP_PKEY_CTRL_PKCS7_SIGN:
463	0	return 1;
464	0	case EVP_PKEY_CTRL_SET_MAC_KEY:
465	0	if (p1 != 32) {
466	0	GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_MAC_KEY_LENGTH);
467	0	return 0;
468	0	}
469
470	0	memcpy(data->key, p2, 32);
471	0	data->key_set = 1;
472	0	return 1;
473	0	case EVP_PKEY_CTRL_DIGESTINIT:
474	0	{
475	0	EVP_MD_CTX *mctx = p2;
476	0	void *key;
477	0	if (!data->key_set) {
478	0	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
479	0	if (!pkey) {
480	0	GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
481	0	GOST_R_MAC_KEY_NOT_SET);
482	0	return 0;
483	0	}
484	0	key = EVP_PKEY_get0(pkey);
485	0	if (!key) {
486	0	GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
487	0	GOST_R_MAC_KEY_NOT_SET);
488	0	return 0;
489	0	}
490	0	} else {
491	0	key = &(data->key);
492	0	}
493	0	return mctx->digest->md_ctrl(mctx, EVP_MD_CTRL_SET_KEY, 32, key);
494	0	}
495	0	}
496	0	return -2;
497	0	}
498
499		static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
500		const char type, const char value)
501	0	{
502	0	if (!strcmp(type, key_ctrl_string)) {
503	0	if (strlen(value) != 32) {
504	0	GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
505	0	GOST_R_INVALID_MAC_KEY_LENGTH);
506	0	return 0;
507	0	}
508	0	return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
509	0	32, (char *)value);
510	0	}
511	0	if (!strcmp(type, hexkey_ctrl_string)) {
512	0	long keylen;
513	0	int ret;
514	0	unsigned char *keybuf = string_to_hex(value, &keylen);
515	0	if (!keybuf \|\| keylen != 32) {
516	0	GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
517	0	GOST_R_INVALID_MAC_KEY_LENGTH);
518	0	OPENSSL_free(keybuf);
519	0	return 0;
520	0	}
521	0	ret = pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, 32, keybuf);
522	0	OPENSSL_free(keybuf);
523	0	return ret;
524
525	0	}
526	0	return -2;
527	0	}
528
529		static int pkey_gost_mac_keygen(EVP_PKEY_CTX ctx, EVP_PKEY pkey)
530	0	{
531	0	struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
532	0	unsigned char *keydata;
533	0	if (!data->key_set) {
534	0	GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN, GOST_R_MAC_KEY_NOT_SET);
535	0	return 0;
536	0	}
537	0	keydata = OPENSSL_malloc(32);
538	0	if (keydata == NULL)
539	0	return 0;
540	0	memcpy(keydata, data->key, 32);
541	0	EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
542	0	return 1;
543	0	}
544
545		static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX ctx, EVP_MD_CTX mctx)
546	0	{
547	0	return 1;
548	0	}
549
550		static int pkey_gost_mac_signctx(EVP_PKEY_CTX ctx, unsigned char sig,
551		size_t siglen, EVP_MD_CTX mctx)
552	0	{
553	0	unsigned int tmpsiglen = siglen; / for platforms where
554		* sizeof(int)!=sizeof(size_t) */
555	0	int ret;
556	0	if (!sig) {
557	0	*siglen = 4;
558	0	return 1;
559	0	}
560	0	ret = EVP_DigestFinal_ex(mctx, sig, &tmpsiglen);
561	0	*siglen = tmpsiglen;
562	0	return ret;
563	0	}
564
565		/* ----------------------------------------------------------------*/
566		int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth, int flags)
567	57	{
568	57	*pmeth = EVP_PKEY_meth_new(id, flags);
569	57	if (!*pmeth)
570	0	return 0;
571
572	57	switch (id) {
573	19	case NID_id_GostR3410_94:
574	19	EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl94_str);
575	19	EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost94cp_keygen);
576	19	EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
577	19	EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
578	19	EVP_PKEY_meth_set_encrypt(*pmeth,
579	19	pkey_gost_encrypt_init,
580	19	pkey_GOST94cp_encrypt);
581	19	EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
582	19	EVP_PKEY_meth_set_derive(*pmeth,
583	19	pkey_gost_derive_init, pkey_gost94_derive);
584	19	EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
585	19	pkey_gost94_paramgen);
586	19	break;
587	19	case NID_id_GostR3410_2001:
588	19	EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl01_str);
589	19	EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
590	19	EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
591
592	19	EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
593
594	19	EVP_PKEY_meth_set_encrypt(*pmeth,
595	19	pkey_gost_encrypt_init,
596	19	pkey_GOST01cp_encrypt);
597	19	EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
598	19	EVP_PKEY_meth_set_derive(*pmeth,
599	19	pkey_gost_derive_init, pkey_gost2001_derive);
600	19	EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
601	19	pkey_gost01_paramgen);
602	19	break;
603	19	case NID_id_Gost28147_89_MAC:
604	19	EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_mac_ctrl,
605	19	pkey_gost_mac_ctrl_str);
606	19	EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_mac_signctx_init,
607	19	pkey_gost_mac_signctx);
608	19	EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_mac_keygen);
609	19	EVP_PKEY_meth_set_init(*pmeth, pkey_gost_mac_init);
610	19	EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
611	19	EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
612	19	return 1;
613	0	default: /* Unsupported method */
614	0	return 0;
615	57	}
616	38	EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
617	38	EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
618
619	38	EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
620		/*
621		* FIXME derive etc...
622		*/
623
624	38	return 1;
625	57	}