update

tools/sm2keygen.c

@@ -0,0 +1,122 @@
+/* 
+ *   Copyright 2014-2021 The GmSSL Project Authors. 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.
+ *   You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <gmssl/sm2.h>
+#include <gmssl/pem.h>
+#include <gmssl/pkcs8.h>
+#include <gmssl/error.h>
+
+#ifndef WIN32
+#include <pwd.h>
+#include <unistd.h>
+#endif
+
+int main(int argc, char **argv)
+{
+	char *prog = argv[0];
+	char *pass = NULL;
+	char passbuf[64] = {0};
+	char *outfile = NULL;
+	char *puboutfile = NULL;
+	FILE *outfp = stdout;
+	FILE *puboutfp = stdout;
+	SM2_KEY key;
+
+	argc--;
+	argv++;
+
+	while (argc > 0) {
+		if (!strcmp(*argv, "-help")) {
+help:
+			fprintf(stderr, "usage: %s [-pass passphrase] [-out pem] [-pubout pem]\n", prog);
+			return -1;
+
+		} else if (!strcmp(*argv, "-pass")) {
+			if (--argc < 1) goto bad;
+			pass = *(++argv);
+
+		} else if (!strcmp(*argv, "-out")) {
+			if (--argc < 1) goto bad;
+			outfile = *(++argv);
+
+		} else if (!strcmp(*argv, "-pubout")) {
+			if (--argc < 1) goto bad;
+			puboutfile = *(++argv);
+
+		} else {
+			fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
+			goto help;
+		}
+
+		argc--;
+		argv++;
+	}
+
+
+	if (!pass) {
+#ifndef WIN32
+		pass = getpass("Encryption Password : ");
+		strncpy(passbuf, pass, sizeof(passbuf));
+		pass = getpass("Encryption Password (Again) : ");
+		if (strcmp(passbuf, pass) != 0) {
+			fprintf(stderr, "error: passwords not match\n");
+			return -1;
+		}
+#else
+		fprintf(stderr, "%s: '-pass' option required\n", prog);
+		goto help;
+#endif
+	}
+
+	if (outfile) {
+		if (!(outfp = fopen(outfile, "w"))) {
+			error_print();
+			return -1;
+		}
+	}
+	if (puboutfile) {
+		if (!(puboutfp = fopen(puboutfile, "w"))) {
+			error_print();
+			return -1;
+		}
+	}
+
+	if (sm2_keygen(&key) != 1) {
+		error_print();
+		return -1;
+	}
+
+	if (sm2_enced_private_key_info_to_pem(&key, pass, outfp) != 1) {
+		memset(&key, 0, sizeof(SM2_KEY));
+		error_print();
+		return -1;
+	}
+	if (sm2_public_key_info_to_pem(&key, puboutfp) != 1) {
+		memset(&key, 0, sizeof(SM2_KEY));
+		error_print();
+		return -1;
+	}
+
+	memset(&key, 0, sizeof(SM2_KEY));
+	return 0;
+
+bad:
+	fprintf(stderr, "%s: '%s' option value required\n", prog, *argv);
+	return -1;
+}