Update CLI -pass option

tools/passwd.h

@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2014-2026 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_TOOL_PASSWD_H
+#define GMSSL_TOOL_PASSWD_H
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define GMSSL_PASSWORD_MAX_SIZE 256
+
+int gmssl_tool_read_password(const char *prog, const char *label,
+	const char *file, char *pass, size_t passlen);
+int gmssl_tool_get_password(const char *prog, const char *label,
+	const char *file, char **pass, char *passbuf, size_t passlen);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif