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https://github.com/guanzhi/GmSSL.git
synced 2026-08-14 01:53:41 +08:00
start SKF engine
This commit is contained in:
Zhi Guan
407
engines/e_skf.c
Normal file
407
engines/e_skf.c
Normal file
@@ -0,0 +1,407 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <openssl/evp.h>
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#include <openssl/engine.h>
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#include <openssl/obj_mac.h>
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#include <openssl/objects.h>
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#include <openssl/ssf33.h>
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#include <openssl/sm1.h>
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#include <openssl/sm2.h>
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#include <openssl/sm3.h>
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#include <openssl/sms4.h>
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#include <openssl/sm9.h>
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#include "skf.h"
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#include "e_skf_err.h"
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static DEVHANDLE skf_dev_handle = NULL;
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static HAPPLICATION skf_app_handle = NULL;
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static HCONTAINER skf_container_handle = NULL;
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static int skf_init(ENGINE *e)
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{
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ULONG rv;
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ULONG len;
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/*
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BOOL bPresent = TRUE;
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CHAR *devNameList = NULL;
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LPSTR devName;
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ULONG devState;
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DEVINFO devInfo;
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BYTE authData[16];
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CHAR appNameList[256];
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LPSTR appName;
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HAPPLICATION hApp;
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CHAR containerNameList[256];
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LPSTR containerName;
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HCONTAINER hContainer;
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ULONG containerType;
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if ((rv = SKF_EnumDev(bPresent, NULL, &len)) != SAR_OK) {
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return -1;
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}
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if (!(devNameList = OPENSSL_malloc(len))) {
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return -1;
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}
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if ((rv = SKF_EnumDev(bPresent, devNameList, &len)) != SAR_OK) {
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return -1;
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}
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if (devNameList[0] = 0) {
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return -1;
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}
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devName = devNameList;
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if ((rv = SKF_ConnectDev(devName, &hDev)) != SAR_OK) {
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return -1;
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}
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if ((rv = SKF_GetDevInfo(hDev, &devInfo)) != SAR_OK) {
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return -1;
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}
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if ((rv = SKF_DevAuth(hDev, authData, sizeof(authData))) != SAR_OK) {
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return -1;
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}
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if ((rv = SKF_EnumApplication(hDev, NULL, &len)) != SAR_OK) {
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return -1;
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}
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if (!(appNameList = OPENSSL_malloc(len))) {
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return -1;
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}
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if ((rv = SKF_EnumApplication(hDev, appNameList, &len)) != SAR_OK) {
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return -1;
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}
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if (appNameList[0] = 0) {
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return -1;
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}
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appName = appNameList;
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if ((rv = SKF_OpenApplication(hDev, appName, &hApp)) != SAR_OK) {
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return -1;
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}
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for (p = containerNameList; p; p += strlen(p)) {
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// check container type
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}
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*/
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return 0;
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}
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static int skf_finish(ENGINE *e)
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{
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return 0;
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}
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#if 0
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void ENGINE_load_skf(void)
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{
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}
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static int skf_bind_helper(ENGINE *e)
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{
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if (!ENGINE_set_id(e, SKF_ENGINE_ID) ||
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!ENGINE_set_name(e, SKF_ENGINE_NAME) ||
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!ENGINE_set_init_function(e, skf_init) ||
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!ENGINE_set_ciphers(e, skf_ciphers) ||
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!ENGINE_set_RSA(e, SKF_get_rsa_method()) ||
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!ENGINE_set_SM2(e, SKF_get_sm2_method()) ||
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!ENGINE_set_RAND(e, skf_rand)) {
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return 0;
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}
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return 1;
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}
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static ENGINE *ENGINE_skf(void)
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{
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ENGINE *eng = ENGINE_new();
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if (!eng) {
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return NULL;
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}
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if (!skf_bind_helper(eng)) {
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ENGINE_free(eng);
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return NULL;
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}
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return eng;
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}
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static int skf_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
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const int **nids, int nid)
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{
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if (!cipher) {
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*nid = skf_cipher_nids;
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return skf_num_cipher_nids;
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}
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switch (nid) {
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case NID_ssf33_ecb:
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*cipher = &skf_ssf33_ecb;
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break;
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default:
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*cipher = NULL;
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return 0;
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}
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return 1;
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}
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#endif
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#define SSF33_IV_LENGTH SSF33_BLOCK_SIZE
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#define SM1_IV_LENGTH SM1_BLOCK_SIZE
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#define SMS4_IV_LENGTH SMS4_BLOCK_SIZE
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static int skf_ssf33_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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const unsigned char *iv, int enc)
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{
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DEVHANDLE hDev = skf_dev_handle;
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BYTE *pbKey = key;
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ULONG ulAlgID = SGD_SSF33_ECB;
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HANDLE *phKey;
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if ((rv = SKF_SetSymmKey(hDev, pbKey, ulAlgID, (HANDLE *)ctx->cipher_data)) != SAR_OK) {
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SKFerr(SKF_F_SKF_SSF33_INIT_KEY, 0);
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return 0;
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}
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return 1;
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}
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static const EVP_CIPHER skf_ssf33_ecb = {
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NID_ssf33_ecb,
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SSF33_BLOCK_SIZE,
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SSF33_KEY_LENGTH,
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SSF33_IV_LENGTH,
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0,
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skf_ssf33_init_key,
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skf_ssf33_ecb_cipher,
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NULL,
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sizeof(EVP_SMS4_CTX),
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NULL,
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NULL,
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NULL,
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NULL,
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};
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static int skf_cipher_nids[] = {
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NID_ssf33_ecb,
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NID_ssf33_cbc,
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NID_ssf33_cfb128,
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NID_ssf33_ofb128,
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NID_sm1_ecb,
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NID_sm1_cbc,
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NID_sm1_cfb128,
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NID_sm1_ofb128,
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NID_sms4_ecb,
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NID_sms4_cbc,
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NID_sms4_cfb128,
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NID_sms4_ofb128,
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};
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static int skf_num_ciphers = sizeof(skf_cipher_nids)/sizeof(skf_cipher_nids[0]);
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static int skf_ciphers(ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid)
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{
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if (!cipher) {
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*nids = skf_cipher_nids;
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return skf_num_ciphers;
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}
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switch (nid) {
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case NID_ssf33_ecb:
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*cipher = &skf_ssf33_ecb;
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break;
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case NID_ssf33_cbc:
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*cipher = &skf_ssf33_cbc;
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break;
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case NID_ssf33_cfb128:
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*cipher = &skf_ssf33_cfb128;
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break;
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case NID_ssf33_ofb128:
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*cipher = &skf_ssf33_ofb128;
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break;
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case NID_sm1_ecb:
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*cipher = &skf_sm1_ecb;
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break;
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case NID_sm1_cbc:
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*cipher = &skf_sm1_cbc;
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break;
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case NID_sm1_cfb128:
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*cipher = &skf_sm1_cfb128;
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break;
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case NID_sm1_ofb128:
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*cipher = &skf_sm1_ofb128;
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break;
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case NID_sms4_ecb:
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*cipher = &skf_sms4_ecb;
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break;
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case NID_sms4_cbc:
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*cipher = &skf_sms4_cbc;
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break;
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case NID_sms4_cfb128:
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*cipher = &skf_sms4_cfb128;
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break;
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case NID_sms4_ofb128:
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*cipher = &skf_sms4_ofb128;
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break;
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default:
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*cipher = NULL;
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return 0;
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}
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return 1;
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}
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int skf_err2openssl(ULONG rv)
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{
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return 0;
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}
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/* RAND_METHOD */
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int skf_rand_bytes(unsigned char *buf, int num)
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{
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ULONG rv;
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if ((rv = SKF_GenRandom(skf_dev_handle, buf, num)) != SAR_OK) {
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SKFerr(SKF_F_SKF_RAND_BYTES, skf_err2openssl(rv));
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return 0;
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}
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return 1;
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}
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static RAND_METHOD skf_rand = {
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NULL,
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skf_rand_bytes,
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NULL,
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NULL,
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skf_rand_bytes,
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NULL,
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};
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/* EVP_MD */
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static int skf_sm3_init(EVP_MD_CTX *ctx)
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{
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ULONG rv;
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DEVHANDLE hDev = skf_dev_handle;
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HANDLE hHash;
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if ((rv = SKF_DigestInit(hDev, SGD_SM3, NULL, NULL, 0,
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(HANDLE *)&ctx->md_data)) != SAR_OK) {
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SKFerr(SKF_F_SM3_INIT, skf_err2openssl(rv));
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return 0;
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}
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return 1;
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}
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static int skf_sm3_update(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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ULONG rv;
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BYTE *pbData = (BYTE *)data;
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ULONG ulDataLen = (ULONG)count;
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if ((rv = SKF_DigestUpdate((HANDLE)ctx->md_data, pbData, ulDataLen)) != SAR_OK) {
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SKFerr(SKF_F_SKF_SM3_UPDATE, skf_err2openssl(rv));
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return 0;
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}
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return 1;
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}
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static int skf_sm3_final(EVP_MD_CTX *ctx, unsigned char *md)
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{
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ULONG rv;
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BYTE *pHashData = (BYTE *)md;
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ULONG ulHashLen = SM3_DIGEST_LENGTH;
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if ((rv = SKF_DigestFinal(hHash, pHashData, &ulHashLen)) != SAR_OK) {
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SKFerr(SKF_F_SKF_SM3_FINAL, skf_err2openssl(rv));
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return 0;
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}
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if ((rv = SKF_CloseHandle(hHash)) != SAR_OK) {
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SKFerr(SKF_F_SKF_SM3_FINAL, skf_err2openssl(rv));
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return 0;
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}
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return 1;
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}
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static const EVP_MD skf_sm3 = {
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NID_sm3,
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0,
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SM3_DIGEST_LENGTH,
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0,
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skf_sm3_init,
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skf_sm3_update,
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skf_sm3_final,
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NULL,
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NULL,
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EVP_PKEY_NULL_method,
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SM3_BLOCK_SIZE,
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sizeof(EVP_MD *) + sizeof(HANDLE),
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NULL,
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};
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static int skf_digest_nids[] = { NID_sm3, };
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static int skf_num_digests = sizeof(skf_digest_nids)/sizeof(skf_digest_nids[0]);
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static int skf_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int nid)
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{
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if (!digest) {
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*nids = skf_digest_nids;
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return skf_num_digests;
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}
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switch (nid) {
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case NID_sm3:
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*digest = &skf_sm3;
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break;
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default:
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*digest = NULL;
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return 0;
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}
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return 1;
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}
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/* Dynamic ENGINE */
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static const char *engine_skf_id = "SKF";
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static const char *engine_skf_name = "SKF API Hardware Engine";
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static int bind(ENGINE *e, const char *id)
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{
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if (id && strcmp(id, engine_skf_id)) {
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return 0;
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}
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if (!ENGINE_set_id(e, engine_skf_id) ||
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!ENGINE_set_name(e, engine_skf_name) ||
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!ENGINE_set_digests(e, skf_digests) ||
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//!ENGINE_set_ciphers(e, skf_ciphers) ||
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!ENGINE_set_RAND(e, &skf_random)) {
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return 0;
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}
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return 1;
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}
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IMPLEMENT_DYNAMIC_BIND_FN(bind);
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IMPLEMENT_DYNAMIC_CHECK_FN();
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