1166 lines
36 KiB
C
1166 lines
36 KiB
C
/**********************************************************************
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* gost_pmeth.c *
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* Copyright (c) 2005-2013 Cryptocom LTD *
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* This file is distributed under the same license as OpenSSL *
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* *
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* Implementation of RFC 4357 (GOST R 34.10) Publick key method *
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* for OpenSSL *
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* Requires OpenSSL 1.0.0+ for compilation *
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**********************************************************************/
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/ec.h>
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#include <openssl/err.h>
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#include <openssl/x509v3.h> /* For string_to_hex */
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#include <openssl/opensslv.h> /* For OPENSSL_VERSION_MAJOR */
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "gost_lcl.h"
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#include "e_gost_err.h"
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#define ossl3_const
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#ifdef OPENSSL_VERSION_MAJOR
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#undef ossl3_const
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#define ossl3_const const
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#endif
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/* -----init, cleanup, copy - uniform for all algs --------------*/
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/* Allocates new gost_pmeth_data structure and assigns it as data */
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static int pkey_gost_init(EVP_PKEY_CTX *ctx)
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{
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struct gost_pmeth_data *data;
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EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
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data = OPENSSL_malloc(sizeof(*data));
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if (!data)
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return 0;
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memset(data, 0, sizeof(*data));
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if (pkey && EVP_PKEY_get0(pkey)) {
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switch (EVP_PKEY_base_id(pkey)) {
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case NID_id_GostR3410_2001:
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case NID_id_GostR3410_2001DH:
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case NID_id_GostR3410_2012_256:
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case NID_id_GostR3410_2012_512:
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{
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const EC_GROUP *group =
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EC_KEY_get0_group(EVP_PKEY_get0((EVP_PKEY *)pkey));
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if (group != NULL) {
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data->sign_param_nid = EC_GROUP_get_curve_name(group);
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break;
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}
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/* else */
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}
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default:
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OPENSSL_free(data);
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return 0;
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}
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}
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EVP_PKEY_CTX_set_data(ctx, data);
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return 1;
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}
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/* Copies contents of gost_pmeth_data structure */
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static int pkey_gost_copy(EVP_PKEY_CTX *dst, ossl3_const EVP_PKEY_CTX *src)
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{
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struct gost_pmeth_data *dst_data, *src_data;
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if (!pkey_gost_init(dst)) {
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return 0;
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}
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src_data = EVP_PKEY_CTX_get_data(src);
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dst_data = EVP_PKEY_CTX_get_data(dst);
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if (!src_data || !dst_data)
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return 0;
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*dst_data = *src_data;
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return 1;
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}
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/* Frees up gost_pmeth_data structure */
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static void pkey_gost_cleanup(EVP_PKEY_CTX *ctx)
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{
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struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
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if (!data)
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return;
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OPENSSL_free(data);
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}
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/* --------------------- control functions ------------------------------*/
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static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
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{
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struct gost_pmeth_data *pctx =
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(struct gost_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
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if (pctx == NULL)
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return 0;
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switch (type) {
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case EVP_PKEY_CTRL_MD:
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{
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EVP_PKEY *key = EVP_PKEY_CTX_get0_pkey(ctx);
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int pkey_nid = (key == NULL) ? NID_undef : EVP_PKEY_base_id(key);
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OPENSSL_assert(p2 != NULL);
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switch (EVP_MD_type((const EVP_MD *)p2)) {
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case NID_id_GostR3411_94:
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if (pkey_nid == NID_id_GostR3410_2001
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|| pkey_nid == NID_id_GostR3410_2001DH
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|| pkey_nid == NID_id_GostR3410_94) {
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pctx->md = (EVP_MD *)p2;
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return 1;
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}
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break;
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case NID_id_GostR3411_2012_256:
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if (pkey_nid == NID_id_GostR3410_2012_256) {
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pctx->md = (EVP_MD *)p2;
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return 1;
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}
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break;
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case NID_id_GostR3411_2012_512:
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if (pkey_nid == NID_id_GostR3410_2012_512) {
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pctx->md = (EVP_MD *)p2;
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return 1;
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}
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break;
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}
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GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
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return 0;
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}
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case EVP_PKEY_CTRL_GET_MD:
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*(const EVP_MD **)p2 = pctx->md;
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return 1;
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case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
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case EVP_PKEY_CTRL_PKCS7_DECRYPT:
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case EVP_PKEY_CTRL_PKCS7_SIGN:
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case EVP_PKEY_CTRL_DIGESTINIT:
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#ifndef OPENSSL_NO_CMS
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case EVP_PKEY_CTRL_CMS_ENCRYPT:
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case EVP_PKEY_CTRL_CMS_DECRYPT:
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case EVP_PKEY_CTRL_CMS_SIGN:
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#endif
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return 1;
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case EVP_PKEY_CTRL_GOST_PARAMSET:
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pctx->sign_param_nid = (int)p1;
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return 1;
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case EVP_PKEY_CTRL_SET_IV:
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if (p1 > sizeof(pctx->shared_ukm) || !p2) {
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GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_UKM_NOT_SET);
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return 0;
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}
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memcpy(pctx->shared_ukm, p2, (int)p1);
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pctx->shared_ukm_size = p1;
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return 1;
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case EVP_PKEY_CTRL_SET_VKO:
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switch (p1) {
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case 0: /* switch to KEG */
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case NID_id_GostR3411_2012_256:
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case NID_id_GostR3411_2012_512:
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break;
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default:
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GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
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return 0;
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}
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pctx->vko_dgst_nid = p1;
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return 1;
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case EVP_PKEY_CTRL_CIPHER:
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switch (p1) {
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case NID_magma_ctr_acpkm:
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case NID_magma_ctr_acpkm_omac:
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case NID_magma_ctr:
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pctx->cipher_nid = NID_magma_ctr;
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return 1;
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case NID_kuznyechik_ctr_acpkm:
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case NID_kuznyechik_ctr_acpkm_omac:
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case NID_kuznyechik_ctr:
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pctx->cipher_nid = NID_kuznyechik_ctr;
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return 1;
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default:
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pctx->cipher_nid = p1;
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return 1;
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}
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case EVP_PKEY_CTRL_PEER_KEY:
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if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
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return 1;
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if (p1 == 2) /* TLS: peer key used? */
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return pctx->peer_key_used;
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if (p1 == 3) /* TLS: peer key used! */
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return (pctx->peer_key_used = 1);
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break;
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}
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GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_CTRL_CALL_FAILED);
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return -2;
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}
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static int pkey_gost_ec_ctrl_str_common(EVP_PKEY_CTX *ctx,
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const char *type, const char *value)
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{
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if (0 == strcmp(type, ukm_ctrl_string)) {
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unsigned char ukm_buf[32], *tmp = NULL;
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long len = 0;
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tmp = OPENSSL_hexstr2buf(value, &len);
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if (tmp == NULL)
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return 0;
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if (len > 32) {
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OPENSSL_free(tmp);
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GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_COMMON, GOST_R_CTRL_CALL_FAILED);
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return 0;
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}
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memcpy(ukm_buf, tmp, len);
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OPENSSL_free(tmp);
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return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_SET_IV, len, ukm_buf);
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} else if (strcmp(type, vko_ctrl_string) == 0) {
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int bits = atoi(value);
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int vko_dgst_nid = 0;
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if (bits == 256)
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vko_dgst_nid = NID_id_GostR3411_2012_256;
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else if (bits == 512)
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vko_dgst_nid = NID_id_GostR3411_2012_512;
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else if (bits != 0) {
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GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_COMMON, GOST_R_INVALID_DIGEST_TYPE);
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return 0;
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}
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return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_SET_VKO, vko_dgst_nid, NULL);
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}
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return -2;
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}
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static int pkey_gost_ec_ctrl_str_256(EVP_PKEY_CTX *ctx,
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const char *type, const char *value)
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{
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if (strcmp(type, param_ctrl_string) == 0) {
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int param_nid = 0;
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if (!value) {
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return 0;
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}
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if (strlen(value) == 1) {
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switch (toupper((unsigned char)value[0])) {
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case 'A':
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param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
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break;
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case 'B':
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param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
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break;
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case 'C':
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param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
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break;
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case '0':
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param_nid = NID_id_GostR3410_2001_TestParamSet;
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break;
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default:
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return 0;
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}
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} else if ((strlen(value) == 2)
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&& (toupper((unsigned char)value[0]) == 'X')) {
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switch (toupper((unsigned char)value[1])) {
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case 'A':
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param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
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break;
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case 'B':
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param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
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break;
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default:
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return 0;
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}
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} else if ((strlen(value) == 3)
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&& (toupper((unsigned char)value[0]) == 'T')
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&& (toupper((unsigned char)value[1]) == 'C')) {
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switch (toupper((unsigned char)value[2])) {
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case 'A':
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param_nid = NID_id_tc26_gost_3410_2012_256_paramSetA;
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break;
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case 'B':
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param_nid = NID_id_tc26_gost_3410_2012_256_paramSetB;
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break;
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case 'C':
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param_nid = NID_id_tc26_gost_3410_2012_256_paramSetC;
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break;
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case 'D':
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param_nid = NID_id_tc26_gost_3410_2012_256_paramSetD;
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break;
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default:
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return 0;
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}
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} else {
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R3410_ec_params *p = R3410_2001_paramset;
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param_nid = OBJ_txt2nid(value);
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if (param_nid == NID_undef) {
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return 0;
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}
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for (; p->nid != NID_undef; p++) {
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if (p->nid == param_nid)
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break;
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}
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if (p->nid == NID_undef) {
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GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_256,
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GOST_R_INVALID_PARAMSET);
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return 0;
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}
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}
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return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
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param_nid, NULL);
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}
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return pkey_gost_ec_ctrl_str_common(ctx, type, value);
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}
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static int pkey_gost_ec_ctrl_str_512(EVP_PKEY_CTX *ctx,
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const char *type, const char *value)
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{
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int param_nid = NID_undef;
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if (strcmp(type, param_ctrl_string))
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return pkey_gost_ec_ctrl_str_common(ctx, type, value);
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if (!value)
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return 0;
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if (strlen(value) == 1) {
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switch (toupper((unsigned char)value[0])) {
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case 'A':
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param_nid = NID_id_tc26_gost_3410_2012_512_paramSetA;
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break;
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case 'B':
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param_nid = NID_id_tc26_gost_3410_2012_512_paramSetB;
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break;
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case 'C':
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param_nid = NID_id_tc26_gost_3410_2012_512_paramSetC;
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break;
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default:
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return 0;
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}
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} else {
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R3410_ec_params *p = R3410_2012_512_paramset;
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param_nid = OBJ_txt2nid(value);
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if (param_nid == NID_undef)
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return 0;
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while (p->nid != NID_undef && p->nid != param_nid)
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p++;
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if (p->nid == NID_undef) {
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GOSTerr(GOST_F_PKEY_GOST_EC_CTRL_STR_512,
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GOST_R_INVALID_PARAMSET);
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return 0;
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}
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}
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return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET, param_nid, NULL);
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}
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/* --------------------- key generation --------------------------------*/
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static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx)
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{
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return 1;
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}
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static int pkey_gost2001_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
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{
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struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
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EC_KEY *ec = NULL;
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if (!data || data->sign_param_nid == NID_undef) {
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GOSTerr(GOST_F_PKEY_GOST2001_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
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return 0;
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}
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ec = EC_KEY_new();
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if (!fill_GOST_EC_params(ec, data->sign_param_nid)
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|| !EVP_PKEY_assign(pkey, NID_id_GostR3410_2001, ec)) {
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EC_KEY_free(ec);
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return 0;
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}
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return 1;
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}
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|
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static int pkey_gost2012_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
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{
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struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
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EC_KEY *ec;
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int result = 0;
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if (!data || data->sign_param_nid == NID_undef) {
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GOSTerr(GOST_F_PKEY_GOST2012_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
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return 0;
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}
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|
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ec = EC_KEY_new();
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if (!fill_GOST_EC_params(ec, data->sign_param_nid)) {
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EC_KEY_free(ec);
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return 0;
|
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}
|
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|
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switch (data->sign_param_nid) {
|
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case NID_id_tc26_gost_3410_2012_512_paramSetA:
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case NID_id_tc26_gost_3410_2012_512_paramSetB:
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case NID_id_tc26_gost_3410_2012_512_paramSetC:
|
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case NID_id_tc26_gost_3410_2012_512_paramSetTest:
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result =
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(EVP_PKEY_assign(pkey, NID_id_GostR3410_2012_512, ec)) ? 1 : 0;
|
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break;
|
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|
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case NID_id_GostR3410_2001_CryptoPro_A_ParamSet:
|
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case NID_id_GostR3410_2001_CryptoPro_B_ParamSet:
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case NID_id_GostR3410_2001_CryptoPro_C_ParamSet:
|
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case NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet:
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case NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet:
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case NID_id_GostR3410_2001_TestParamSet:
|
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case NID_id_tc26_gost_3410_2012_256_paramSetA:
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case NID_id_tc26_gost_3410_2012_256_paramSetB:
|
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case NID_id_tc26_gost_3410_2012_256_paramSetC:
|
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case NID_id_tc26_gost_3410_2012_256_paramSetD:
|
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result =
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(EVP_PKEY_assign(pkey, NID_id_GostR3410_2012_256, ec)) ? 1 : 0;
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break;
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default:
|
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result = 0;
|
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break;
|
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}
|
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|
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if (result == 0)
|
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EC_KEY_free(ec);
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|
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return result;
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}
|
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|
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/* ----------- keygen callbacks --------------------------------------*/
|
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/* Generates GOST_R3410 2001 key and assigns it using specified type */
|
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static int pkey_gost2001cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
|
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{
|
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EC_KEY *ec;
|
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if (!pkey_gost2001_paramgen(ctx, pkey))
|
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return 0;
|
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ec = EVP_PKEY_get0(pkey);
|
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gost_ec_keygen(ec);
|
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return 1;
|
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}
|
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|
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/* Generates GOST_R3410 2012 key and assigns it using specified type */
|
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static int pkey_gost2012cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
|
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{
|
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if (!pkey_gost2012_paramgen(ctx, pkey))
|
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return 0;
|
|
|
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gost_ec_keygen(EVP_PKEY_get0(pkey));
|
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return 1;
|
|
}
|
|
|
|
/* ----------- sign callbacks --------------------------------------*/
|
|
/*
|
|
* Packs signature according to Cryptopro rules
|
|
* and frees up ECDSA_SIG structure
|
|
*/
|
|
int pack_sign_cp(ECDSA_SIG *s, int order, unsigned char *sig, size_t *siglen)
|
|
{
|
|
const BIGNUM *sig_r = NULL, *sig_s = NULL;
|
|
ECDSA_SIG_get0(s, &sig_r, &sig_s);
|
|
*siglen = 2 * order;
|
|
memset(sig, 0, *siglen);
|
|
store_bignum(sig_s, sig, order);
|
|
store_bignum(sig_r, sig + order, order);
|
|
ECDSA_SIG_free(s);
|
|
return 1;
|
|
}
|
|
|
|
static int pkey_gost_ec_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
|
|
size_t *siglen, const unsigned char *tbs,
|
|
size_t tbs_len)
|
|
{
|
|
ECDSA_SIG *unpacked_sig = NULL;
|
|
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
|
|
int order = 0;
|
|
|
|
if (!siglen)
|
|
return 0;
|
|
if (!pkey)
|
|
return 0;
|
|
|
|
switch (EVP_PKEY_base_id(pkey)) {
|
|
case NID_id_GostR3410_2001:
|
|
case NID_id_GostR3410_2001DH:
|
|
case NID_id_GostR3410_2012_256:
|
|
order = 64;
|
|
break;
|
|
case NID_id_GostR3410_2012_512:
|
|
order = 128;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
if (!sig) {
|
|
*siglen = order;
|
|
return 1;
|
|
}
|
|
unpacked_sig = gost_ec_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
|
|
if (!unpacked_sig) {
|
|
return 0;
|
|
}
|
|
return pack_sign_cp(unpacked_sig, order / 2, sig, siglen);
|
|
}
|
|
|
|
/* ------------------- verify callbacks ---------------------------*/
|
|
/* Unpack signature according to cryptopro rules */
|
|
ECDSA_SIG *unpack_cp_signature(const unsigned char *sigbuf, size_t siglen)
|
|
{
|
|
ECDSA_SIG *sig;
|
|
BIGNUM *r = NULL, *s = NULL;
|
|
|
|
sig = ECDSA_SIG_new();
|
|
if (sig == NULL) {
|
|
GOSTerr(GOST_F_UNPACK_CP_SIGNATURE, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
s = BN_bin2bn(sigbuf, siglen / 2, NULL);
|
|
r = BN_bin2bn(sigbuf + siglen / 2, siglen / 2, NULL);
|
|
ECDSA_SIG_set0(sig, r, s);
|
|
return sig;
|
|
}
|
|
|
|
static int pkey_gost_ec_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);
|
|
ECDSA_SIG *s = (sig) ? unpack_cp_signature(sig, siglen) : NULL;
|
|
if (!s)
|
|
return 0;
|
|
#ifdef DEBUG_SIGN
|
|
fprintf(stderr, "R=");
|
|
BN_print_fp(stderr, ECDSA_SIG_get0_r(s));
|
|
fprintf(stderr, "\nS=");
|
|
BN_print_fp(stderr, ECDSA_SIG_get0_s(s));
|
|
fprintf(stderr, "\n");
|
|
#endif
|
|
if (pub_key)
|
|
ok = gost_ec_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
|
|
ECDSA_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 = OPENSSL_malloc(sizeof(*data));
|
|
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
|
|
|
|
if (!data)
|
|
return 0;
|
|
memset(data, 0, sizeof(*data));
|
|
data->mac_size = 4;
|
|
data->mac_param_nid = NID_undef;
|
|
|
|
if (pkey) {
|
|
struct gost_mac_key *key = EVP_PKEY_get0(pkey);
|
|
if (key) {
|
|
data->mac_param_nid = key->mac_param_nid;
|
|
data->mac_size = key->mac_size;
|
|
}
|
|
}
|
|
|
|
EVP_PKEY_CTX_set_data(ctx, data);
|
|
return 1;
|
|
}
|
|
|
|
static int pkey_gost_omac_init(EVP_PKEY_CTX *ctx, size_t mac_size)
|
|
{
|
|
struct gost_mac_pmeth_data *data = OPENSSL_malloc(sizeof(*data));
|
|
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
|
|
|
|
if (!data)
|
|
return 0;
|
|
memset(data, 0, sizeof(*data));
|
|
data->mac_size = mac_size;
|
|
data->mac_param_nid = NID_undef;
|
|
|
|
if (pkey) {
|
|
struct gost_mac_key *key = EVP_PKEY_get0(pkey);
|
|
if (key) {
|
|
data->mac_param_nid = key->mac_param_nid;
|
|
data->mac_size = key->mac_size;
|
|
}
|
|
}
|
|
|
|
EVP_PKEY_CTX_set_data(ctx, data);
|
|
return 1;
|
|
}
|
|
|
|
static int pkey_gost_magma_mac_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return pkey_gost_omac_init(ctx, 8);
|
|
}
|
|
|
|
static int pkey_gost_grasshopper_mac_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return pkey_gost_omac_init(ctx, 16);
|
|
}
|
|
|
|
static void pkey_gost_mac_cleanup(EVP_PKEY_CTX *ctx)
|
|
{
|
|
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
|
|
if (data)
|
|
OPENSSL_free(data);
|
|
}
|
|
|
|
static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, ossl3_const 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);
|
|
if (!src_data || !dst_data)
|
|
return 0;
|
|
|
|
*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:
|
|
{
|
|
int nid = EVP_MD_type((const EVP_MD *)p2);
|
|
if (nid != NID_id_Gost28147_89_MAC && nid != NID_gost_mac_12) {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
|
|
GOST_R_INVALID_DIGEST_TYPE);
|
|
return 0;
|
|
}
|
|
data->md = (EVP_MD *)p2;
|
|
return 1;
|
|
}
|
|
|
|
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_GOST_PARAMSET:
|
|
{
|
|
struct gost_cipher_info *param = p2;
|
|
data->mac_param_nid = param->nid;
|
|
return 1;
|
|
}
|
|
case EVP_PKEY_CTRL_DIGESTINIT:
|
|
{
|
|
EVP_MD_CTX *mctx = p2;
|
|
if (!data->key_set) {
|
|
struct gost_mac_key *key;
|
|
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;
|
|
}
|
|
return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
|
|
(mctx, EVP_MD_CTRL_SET_KEY, 0, key);
|
|
} else {
|
|
return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
|
|
(mctx, EVP_MD_CTRL_SET_KEY, 32, &(data->key));
|
|
}
|
|
}
|
|
case EVP_PKEY_CTRL_MAC_LEN:
|
|
{
|
|
if (p1 < 1 || p1 > 8) {
|
|
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_MAC_SIZE);
|
|
return 0;
|
|
}
|
|
data->mac_size = p1;
|
|
return 1;
|
|
}
|
|
}
|
|
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) == 0) {
|
|
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) == 0) {
|
|
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;
|
|
|
|
}
|
|
if (!strcmp(type, maclen_ctrl_string)) {
|
|
char *endptr;
|
|
long size = strtol(value, &endptr, 10);
|
|
if (*endptr != '\0') {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR, GOST_R_INVALID_MAC_SIZE);
|
|
return 0;
|
|
}
|
|
return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_MAC_LEN, size, NULL);
|
|
}
|
|
if (strcmp(type, param_ctrl_string) == 0) {
|
|
ASN1_OBJECT *obj = OBJ_txt2obj(value, 0);
|
|
const struct gost_cipher_info *param = NULL;
|
|
if (obj == NULL) {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR, GOST_R_INVALID_MAC_PARAMS);
|
|
return 0;
|
|
}
|
|
|
|
param = get_encryption_params(obj);
|
|
ASN1_OBJECT_free(obj);
|
|
if (param == NULL) {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR, GOST_R_INVALID_MAC_PARAMS);
|
|
return 0;
|
|
}
|
|
|
|
|
|
return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET, 0,
|
|
(void *)param);
|
|
}
|
|
return -2;
|
|
}
|
|
|
|
static int pkey_gost_omac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2, size_t max_size)
|
|
{
|
|
struct gost_mac_pmeth_data *data =
|
|
(struct gost_mac_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
|
|
|
|
switch (type) {
|
|
case EVP_PKEY_CTRL_MD:
|
|
{
|
|
int nid = EVP_MD_type((const EVP_MD *)p2);
|
|
if (nid != NID_magma_mac && nid != NID_grasshopper_mac
|
|
&& nid != NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac /* FIXME beldmit */
|
|
&& nid != NID_id_tc26_cipher_gostr3412_2015_magma_ctracpkm_omac) {
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL,
|
|
GOST_R_INVALID_DIGEST_TYPE);
|
|
return 0;
|
|
}
|
|
data->md = (EVP_MD *)p2;
|
|
return 1;
|
|
}
|
|
|
|
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_OMAC_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;
|
|
if (!data->key_set) {
|
|
struct gost_mac_key *key;
|
|
EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
|
|
if (!pkey) {
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL,
|
|
GOST_R_MAC_KEY_NOT_SET);
|
|
return 0;
|
|
}
|
|
key = EVP_PKEY_get0(pkey);
|
|
if (!key) {
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL,
|
|
GOST_R_MAC_KEY_NOT_SET);
|
|
return 0;
|
|
}
|
|
return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
|
|
(mctx, EVP_MD_CTRL_SET_KEY, 0, key);
|
|
} else {
|
|
return EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
|
|
(mctx, EVP_MD_CTRL_SET_KEY, 32, &(data->key));
|
|
}
|
|
}
|
|
case EVP_PKEY_CTRL_MAC_LEN:
|
|
{
|
|
if (p1 < 1 || p1 > max_size) {
|
|
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL, GOST_R_INVALID_MAC_SIZE);
|
|
return 0;
|
|
}
|
|
data->mac_size = p1;
|
|
return 1;
|
|
}
|
|
}
|
|
return -2;
|
|
}
|
|
|
|
static int pkey_gost_magma_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
|
|
{
|
|
return pkey_gost_omac_ctrl(ctx, type, p1, p2, 8);
|
|
}
|
|
|
|
static int pkey_gost_grasshopper_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
|
|
{
|
|
return pkey_gost_omac_ctrl(ctx, type, p1, p2, 16);
|
|
}
|
|
|
|
static int pkey_gost_omac_ctrl_str(EVP_PKEY_CTX *ctx,
|
|
const char *type, const char *value, size_t max_size)
|
|
{
|
|
if (strcmp(type, key_ctrl_string) == 0) {
|
|
if (strlen(value) != 32) {
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_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) == 0) {
|
|
long keylen;
|
|
int ret;
|
|
unsigned char *keybuf = string_to_hex(value, &keylen);
|
|
if (!keybuf || keylen != 32) {
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_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;
|
|
|
|
}
|
|
if (!strcmp(type, maclen_ctrl_string)) {
|
|
char *endptr;
|
|
long size = strtol(value, &endptr, 10);
|
|
if (*endptr != '\0') {
|
|
GOSTerr(GOST_F_PKEY_GOST_OMAC_CTRL_STR, GOST_R_INVALID_MAC_SIZE);
|
|
return 0;
|
|
}
|
|
return pkey_gost_omac_ctrl(ctx, EVP_PKEY_CTRL_MAC_LEN, size, NULL, max_size);
|
|
}
|
|
return -2;
|
|
}
|
|
|
|
static int pkey_gost_magma_mac_ctrl_str(EVP_PKEY_CTX *ctx,
|
|
const char *type, const char *value)
|
|
{
|
|
return pkey_gost_omac_ctrl_str(ctx, type, value, 8);
|
|
}
|
|
|
|
static int pkey_gost_grasshopper_mac_ctrl_str(EVP_PKEY_CTX *ctx,
|
|
const char *type, const char *value)
|
|
{
|
|
return pkey_gost_omac_ctrl_str(ctx, type, value, 8);
|
|
}
|
|
|
|
static int pkey_gost_mac_keygen_base(EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey, int mac_nid)
|
|
{
|
|
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
|
|
struct gost_mac_key *keydata;
|
|
if (!data || !data->key_set) {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN_BASE, GOST_R_MAC_KEY_NOT_SET);
|
|
return 0;
|
|
}
|
|
keydata = OPENSSL_malloc(sizeof(struct gost_mac_key));
|
|
if (keydata == NULL)
|
|
return 0;
|
|
memcpy(keydata->key, data->key, 32);
|
|
keydata->mac_param_nid = data->mac_param_nid;
|
|
keydata->mac_size = data->mac_size;
|
|
EVP_PKEY_assign(pkey, mac_nid, keydata);
|
|
return 1;
|
|
}
|
|
|
|
static int pkey_gost_mac_keygen_12(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
|
|
{
|
|
return pkey_gost_mac_keygen_base(ctx, pkey, NID_gost_mac_12);
|
|
}
|
|
|
|
static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
|
|
{
|
|
return pkey_gost_mac_keygen_base(ctx, pkey, NID_id_Gost28147_89_MAC);
|
|
}
|
|
|
|
static int pkey_gost_magma_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
|
|
{
|
|
return pkey_gost_mac_keygen_base(ctx, pkey, NID_magma_mac);
|
|
}
|
|
|
|
static int pkey_gost_grasshopper_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
|
|
{
|
|
return pkey_gost_mac_keygen_base(ctx, pkey, NID_grasshopper_mac);
|
|
}
|
|
|
|
static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
|
|
{
|
|
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
|
|
|
|
if (data == NULL) {
|
|
pkey_gost_mac_init(ctx);
|
|
}
|
|
|
|
data = EVP_PKEY_CTX_get_data(ctx);
|
|
if (!data) {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAC_SIGNCTX_INIT, GOST_R_MAC_KEY_NOT_SET);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int pkey_gost_magma_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
|
|
{
|
|
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
|
|
|
|
if (data == NULL) {
|
|
pkey_gost_omac_init(ctx, 4);
|
|
}
|
|
|
|
data = EVP_PKEY_CTX_get_data(ctx);
|
|
if (!data) {
|
|
GOSTerr(GOST_F_PKEY_GOST_MAGMA_MAC_SIGNCTX_INIT, GOST_R_MAC_KEY_NOT_SET);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int pkey_gost_grasshopper_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
|
|
{
|
|
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
|
|
|
|
if (data == NULL) {
|
|
pkey_gost_omac_init(ctx, 8);
|
|
}
|
|
|
|
data = EVP_PKEY_CTX_get_data(ctx);
|
|
if (!data) {
|
|
GOSTerr(GOST_F_PKEY_GOST_GRASSHOPPER_MAC_SIGNCTX_INIT, GOST_R_MAC_KEY_NOT_SET);
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
int ret;
|
|
struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
|
|
|
|
if (!siglen)
|
|
return 0;
|
|
tmpsiglen = *siglen; /* for platforms where sizeof(int) !=
|
|
* sizeof(size_t) */
|
|
|
|
if (!sig) {
|
|
*siglen = data->mac_size;
|
|
return 1;
|
|
}
|
|
|
|
EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(mctx))
|
|
(mctx, EVP_MD_CTRL_XOF_LEN, data->mac_size, NULL);
|
|
ret = EVP_DigestFinal_ex(mctx, sig, &tmpsiglen);
|
|
*siglen = data->mac_size;
|
|
return ret;
|
|
}
|
|
|
|
/* ----------- misc callbacks -------------------------------------*/
|
|
|
|
/* Callback for both EVP_PKEY_check() and EVP_PKEY_public_check. */
|
|
static int pkey_gost_check(EVP_PKEY *pkey)
|
|
{
|
|
return EC_KEY_check_key(EVP_PKEY_get0(pkey));
|
|
}
|
|
|
|
/* ----------------------------------------------------------------*/
|
|
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_2001:
|
|
case NID_id_GostR3410_2001DH:
|
|
EVP_PKEY_meth_set_ctrl(*pmeth,
|
|
pkey_gost_ctrl, pkey_gost_ec_ctrl_str_256);
|
|
EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost_ec_cp_sign);
|
|
EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost_ec_cp_verify);
|
|
|
|
EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost2001cp_keygen);
|
|
|
|
EVP_PKEY_meth_set_encrypt(*pmeth,
|
|
pkey_gost_encrypt_init,
|
|
pkey_gost_encrypt);
|
|
EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_gost_decrypt);
|
|
EVP_PKEY_meth_set_derive(*pmeth,
|
|
pkey_gost_derive_init, pkey_gost_ec_derive);
|
|
EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
|
|
pkey_gost2001_paramgen);
|
|
EVP_PKEY_meth_set_check(*pmeth, pkey_gost_check);
|
|
EVP_PKEY_meth_set_public_check(*pmeth, pkey_gost_check);
|
|
break;
|
|
case NID_id_GostR3410_2012_256:
|
|
EVP_PKEY_meth_set_ctrl(*pmeth,
|
|
pkey_gost_ctrl, pkey_gost_ec_ctrl_str_256);
|
|
EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost_ec_cp_sign);
|
|
EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost_ec_cp_verify);
|
|
|
|
EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost2012cp_keygen);
|
|
|
|
EVP_PKEY_meth_set_encrypt(*pmeth,
|
|
pkey_gost_encrypt_init,
|
|
pkey_gost_encrypt);
|
|
EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_gost_decrypt);
|
|
EVP_PKEY_meth_set_derive(*pmeth,
|
|
pkey_gost_derive_init, pkey_gost_ec_derive);
|
|
EVP_PKEY_meth_set_paramgen(*pmeth,
|
|
pkey_gost_paramgen_init,
|
|
pkey_gost2012_paramgen);
|
|
EVP_PKEY_meth_set_check(*pmeth, pkey_gost_check);
|
|
EVP_PKEY_meth_set_public_check(*pmeth, pkey_gost_check);
|
|
break;
|
|
case NID_id_GostR3410_2012_512:
|
|
EVP_PKEY_meth_set_ctrl(*pmeth,
|
|
pkey_gost_ctrl, pkey_gost_ec_ctrl_str_512);
|
|
EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost_ec_cp_sign);
|
|
EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost_ec_cp_verify);
|
|
|
|
EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost2012cp_keygen);
|
|
|
|
EVP_PKEY_meth_set_encrypt(*pmeth,
|
|
pkey_gost_encrypt_init,
|
|
pkey_gost_encrypt);
|
|
EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_gost_decrypt);
|
|
EVP_PKEY_meth_set_derive(*pmeth,
|
|
pkey_gost_derive_init, pkey_gost_ec_derive);
|
|
EVP_PKEY_meth_set_paramgen(*pmeth,
|
|
pkey_gost_paramgen_init,
|
|
pkey_gost2012_paramgen);
|
|
EVP_PKEY_meth_set_check(*pmeth, pkey_gost_check);
|
|
EVP_PKEY_meth_set_public_check(*pmeth, pkey_gost_check);
|
|
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;
|
|
case NID_gost_mac_12:
|
|
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_12);
|
|
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;
|
|
case NID_magma_mac:
|
|
EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_magma_mac_ctrl,
|
|
pkey_gost_magma_mac_ctrl_str);
|
|
EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_magma_mac_signctx_init,
|
|
pkey_gost_mac_signctx);
|
|
EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_magma_mac_keygen);
|
|
EVP_PKEY_meth_set_init(*pmeth, pkey_gost_magma_mac_init);
|
|
EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
|
|
EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
|
|
return 1;
|
|
case NID_grasshopper_mac:
|
|
case NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm_omac: /* FIXME beldmit */
|
|
EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_grasshopper_mac_ctrl,
|
|
pkey_gost_grasshopper_mac_ctrl_str);
|
|
EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_grasshopper_mac_signctx_init,
|
|
pkey_gost_mac_signctx);
|
|
EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_grasshopper_mac_keygen);
|
|
EVP_PKEY_meth_set_init(*pmeth, pkey_gost_grasshopper_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;
|
|
}
|