Update SDF and Demo

src/sdf/sdf.c

@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2014 - 2021 The GmSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the GmSSL Project.
+ *    (http://gmssl.org/)"
+ *
+ * 4. The name "GmSSL Project" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    guanzhi1980@gmail.com.
+ *
+ * 5. Products derived from this software may not be called "GmSSL"
+ *    nor may "GmSSL" appear in their names without prior written
+ *    permission of the GmSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the GmSSL Project
+ *    (http://gmssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE GmSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <gmssl/sdf.h>
+#include <gmssl/sm2.h>
+#include <gmssl/error.h>
+#include "sdf.h"
+#include "sdf_ext.h"
+
+
+static const uint8_t zeros[ECCref_MAX_LEN - 32] = {0};
+
+
+int SDF_ECCrefPublicKey_to_SM2_KEY(const ECCrefPublicKey *ref, SM2_KEY *sm2_key)
+{
+	if (ref->bits != 256) {
+		error_print();
+		return -1;
+	}
+	if (memcmp(ref->x, zeros, sizeof(zeros)) != 0
+		|| memcmp(ref->y, zeros, sizeof(zeros)) != 0) {
+		error_print();
+		return -1;
+	}
+	memset(sm2_key, 0, sizeof(SM2_KEY));
+	memcpy(sm2_key->public_key.x, ref->x + ECCref_MAX_LEN - 32, 32);
+	memcpy(sm2_key->public_key.y, ref->y + ECCref_MAX_LEN - 32, 32);
+	return 1;
+}
+
+int SDF_ECCSignature_to_SM2_SIGNATURE(const ECCSignature *ref, SM2_SIGNATURE *sig)
+{
+	memset(sig, 0, sizeof(SM2_SIGNATURE));
+	memcpy(sig->r, ref->r + ECCref_MAX_LEN - 32, 32);
+	memcpy(sig->s, ref->s + ECCref_MAX_LEN - 32, 32);
+	return 1;
+}
+
+int sdf_load_library(const char *so_path, const char *vendor)
+{
+	if (SDF_LoadLibrary((char *)so_path, (char *)vendor) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+	return 1;
+}
+
+void sdf_unload_library(void)
+{
+	SDF_UnloadLibrary();
+}
+
+int sdf_open_device(SDF_DEVICE *dev)
+{
+	int ret = 0;
+	void *hDevice = NULL;
+	void *hSession = NULL;
+	DEVICEINFO devInfo = {{0}};
+
+	if (SDF_OpenDevice(&hDevice) != SDR_OK
+		|| SDF_OpenSession(hDevice, &hSession) != SDR_OK
+		|| SDF_GetDeviceInfo(hSession, &devInfo) != SDR_OK) {
+		error_print();
+		goto end;
+	}
+	SDF_PrintDeviceInfo(stdout, &devInfo);
+
+	memset(dev, 0, sizeof(SDF_DEVICE));
+	dev->handle = hDevice;
+	hDevice = NULL;
+	memcpy(dev->issuer, devInfo.IssuerName, 40);
+	memcpy(dev->name, devInfo.DeviceName, 16);
+	memcpy(dev->serial, devInfo.DeviceSerial, 16);
+	ret = 1;
+
+end:
+	if (hSession) SDF_CloseSession(hSession);
+	if (hDevice) SDF_CloseDevice(hDevice);
+	return ret;
+}
+
+int sdf_print_device_info(FILE *fp, int fmt, int ind, const char *lable, SDF_DEVICE *dev)
+{
+	void *hSession = NULL;
+	DEVICEINFO devInfo = {{0}};
+
+	if (SDF_OpenSession(dev->handle, hSession) != SDR_OK
+		|| SDF_GetDeviceInfo(hSession, &devInfo) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+	SDF_PrintDeviceInfo(fp, &devInfo);
+	SDF_CloseSession(&hSession);
+	return 1;
+}
+
+int sdf_rand_bytes(SDF_DEVICE *dev, uint8_t *buf, size_t len)
+{
+	int ret = -1;
+	void *hSession = NULL;
+
+	if (!dev || !buf || !len) {
+		error_print();
+		return -1;
+	}
+	if (!dev->handle) {
+		error_print();
+		return -1;
+	}
+	if (SDF_OpenSession(dev->handle, &hSession) != SDR_OK
+		|| SDF_GenerateRandom(hSession, len, buf) != SDR_OK) {
+		error_print();
+		goto end;
+	}
+	ret = 1;
+end:
+	if (hSession) SDF_CloseSession(hSession);
+	return ret;
+}
+
+int sdf_load_key(SDF_DEVICE *dev, SDF_KEY *key, int index, const char *pass)
+{
+	int ret = -1;
+	void *hSession = NULL;
+	ECCrefPublicKey eccPublicKey;
+
+	if (SDF_OpenSession(dev->handle, &hSession) != SDR_OK
+		|| SDF_ExportSignPublicKey_ECC(hSession, index, &eccPublicKey) != SDR_OK
+		|| SDF_ECCrefPublicKey_to_SM2_KEY(&eccPublicKey, &key->public_key) != SDR_OK
+		|| SDF_GetPrivateKeyAccessRight(hSession, index, (unsigned char *)pass, strlen(pass)) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+
+	memset(key, 0, sizeof(SDF_KEY));
+	key->session = hSession;
+	key->index = index;
+	hSession = NULL;
+	ret = 1;
+
+end:
+	if (hSession) SDF_CloseSession(hSession);
+	return ret;
+}
+
+
+int sdf_sign(SDF_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen)
+{
+	ECCSignature ecc_sig;
+	SM2_SIGNATURE sm2_sig;
+
+	if (!key || !dgst || !sig || !siglen) {
+		error_print();
+		return -1;
+	}
+	if (!key->session || key->index < 0) {
+		error_print();
+		return -1;
+	}
+	if (SDF_InternalSign_ECC(key->session, key->index, (unsigned char *)dgst, 32, &ecc_sig) != SDR_OK
+		|| SDF_ECCSignature_to_SM2_SIGNATURE(&ecc_sig, &sm2_sig) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+	*siglen = 0;
+	if (sm2_signature_to_der(&sm2_sig, &sig, siglen) != 1) {
+		error_print();
+		return -1;
+	}
+	return 1;
+}
+
+int sdf_release_key(SDF_KEY *key)
+{
+	if (SDF_ReleasePrivateKeyAccessRight(key->session, key->index) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+	if (SDF_CloseSession(key->session) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+
+	memset(key, 0, sizeof(SDF_KEY));
+	return 1;
+}
+
+int sdf_close_device(SDF_DEVICE *dev)
+{
+	if (SDF_CloseDevice(dev->handle) != SDR_OK) {
+		error_print();
+		return -1;
+	}
+	memset(dev, 0, sizeof(SDF_DEVICE));
+	return 1;
+}