156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
/* pkcs11_genecc.c
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*
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* Copyright (C) 2006-2020 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <wolfssl/options.h>
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/wc_pkcs11.h>
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#include <wolfssl/wolfcrypt/asn_public.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#include <wolfssl/wolfcrypt/logging.h>
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static WC_RNG rng;
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int gen_ec_keys(Pkcs11Token* token, ecc_key* key, unsigned char* id, int idLen,
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int devId)
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{
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int ret;
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ret = wc_ecc_init_id(key, id, idLen, NULL, devId);
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if (ret != 0)
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fprintf(stderr, "Failed to initialize EC key: %d\n", ret);
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if (ret == 0) {
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ret = wc_ecc_make_key_ex(&rng, 32, key, ECC_CURVE_DEF);
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if (ret != 0)
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fprintf(stderr, "Failed to generate EC key: %d\n", ret);
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}
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return ret;
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}
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int ecdsa_sign_verify(int devId, Pkcs11Token* token)
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{
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int ret = 0;
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byte hash[32], out[128];
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word32 hashSz, outSz;
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int verify;
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ecc_key eccKey;
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memset(hash, 9, sizeof(hash));
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hashSz = sizeof(hash);
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outSz = sizeof(out);
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ret = wc_Pkcs11Token_Open(token, 1);
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if (ret == 0) {
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fprintf(stderr, "Generate EC Keys\n");
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ret = gen_ec_keys(token, &eccKey, (unsigned char*)"123ecc", 6, devId);
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if (ret == 0) {
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ret = wc_ecc_sign_hash(hash, hashSz, out, &outSz, &rng, &eccKey);
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if (ret < 0)
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fprintf(stderr, "Failed to sign: %d\n", ret);
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}
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if (ret == 0) {
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/* Don't use device for public key operation. */
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eccKey.devId = INVALID_DEVID;
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ret = wc_ecc_verify_hash(out, outSz, hash, (int)hashSz, &verify,
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&eccKey);
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if (ret < 0 || !verify)
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fprintf(stderr, "Failed to verify: %d (%d)\n", ret, verify);
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if (!verify)
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ret = -1;
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}
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wc_Pkcs11Token_Close(token);
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wc_ecc_free(&eccKey);
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}
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return ret;
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}
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int main(int argc, char* argv[])
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{
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int ret;
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const char* library;
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const char* slot;
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const char* tokenName;
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const char* userPin;
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Pkcs11Dev dev;
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Pkcs11Token token;
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int slotId;
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int devId = 1;
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if (argc != 5) {
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fprintf(stderr,
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"Usage: pkcs11_genecc <libname> <slot> <tokenname> <userpin>\n");
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return 1;
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}
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library = argv[1];
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slot = argv[2];
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tokenName = argv[3];
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userPin = argv[4];
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slotId = atoi(slot);
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#if defined(DEBUG_WOLFSSL)
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wolfSSL_Debugging_ON();
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#endif
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wolfCrypt_Init();
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ret = wc_Pkcs11_Initialize(&dev, library, NULL);
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if (ret != 0) {
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fprintf(stderr, "Failed to initialize PKCS#11 library\n");
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ret = 2;
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}
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if (ret == 0) {
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ret = wc_Pkcs11Token_Init(&token, &dev, slotId, tokenName,
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(byte*)userPin, strlen(userPin));
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if (ret != 0) {
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fprintf(stderr, "Failed to initialize PKCS#11 token\n");
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ret = 2;
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}
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if (ret == 0) {
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ret = wc_CryptoDev_RegisterDevice(devId, wc_Pkcs11_CryptoDevCb,
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&token);
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if (ret != 0) {
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fprintf(stderr, "Failed to register PKCS#11 token\n");
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ret = 2;
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}
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if (ret == 0) {
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wc_InitRng_ex(&rng, NULL, devId);
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ret = ecdsa_sign_verify(devId, &token);
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if (ret != 0)
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ret = 1;
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wc_FreeRng(&rng);
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}
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wc_Pkcs11Token_Final(&token);
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}
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wc_Pkcs11_Finalize(&dev);
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}
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wolfCrypt_Cleanup();
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return ret;
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}
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