feat: add gmssl headers

include/gmssl/sdf.h

@@ -0,0 +1,69 @@
+/*
+ *  Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#ifndef GMSSL_SDF_H
+#define GMSSL_SDF_H
+
+#include <string.h>
+#include <stdint.h>
+#include <gmssl/sm2.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+SDF Public API
+
+	sdf_load_library
+	sdf_unload_library
+
+	SDF_DEVICE
+	sdf_open_device
+	sdf_close_device
+	sdf_print_device_info
+	sdf_rand_bytes
+	sdf_load_sign_key
+
+	SDF_KEY
+	sdf_sign
+	sdf_release_key
+*/
+
+typedef struct {
+	void *handle;
+	char issuer[41];
+	char name[17];
+	char serial[17];
+} SDF_DEVICE;
+
+typedef struct {
+	SM2_KEY public_key;
+	void *session;
+	int index;
+} SDF_KEY;
+
+
+int sdf_load_library(const char *so_path, const char *vendor);
+int sdf_open_device(SDF_DEVICE *dev);
+int sdf_print_device_info(FILE *fp, int fmt, int ind, const char *lable, SDF_DEVICE *dev);
+int sdf_rand_bytes(SDF_DEVICE *dev, uint8_t *buf, size_t len);
+int sdf_load_sign_key(SDF_DEVICE *dev, SDF_KEY *key, int index, const char *pass);
+int sdf_sign(SDF_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen);
+int sdf_release_key(SDF_KEY *key);
+int sdf_close_device(SDF_DEVICE *dev);
+void sdf_unload_library(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif