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Add examples to tools

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This commit is contained in:
Zhi Guan
2024-05-20 22:55:58 +08:00
parent 926e063353
commit 8a52a2137d
5 changed files with 162 additions and 84 deletions
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24
tools/sm2keygen.c
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@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2024 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.
@@ -20,9 +20,15 @@ static const char *usage = "-pass str [-out pem] [-pubout pem]\n";
static const char *options =
"Options\n"
"\n"
" -pass pass Password to encrypt the private key\n"
" -out pem Output password-encrypted PKCS #8 private key in PEM format\n"
" -pubout pem Output public key in PEM format\n"
"\n"
"Examples\n"
"\n"
" $ gmssl sm2keygen -pass P@ssw0rd -out sm2.pem\n"
" $ gmssl sm2keygen -pass P@ssw0rd -out sm2.pem -pubout sm2pub.pem\n"
"\n";
int sm2keygen_main(int argc, char **argv)
@@ -40,13 +46,13 @@ int sm2keygen_main(int argc, char **argv)
argv++;
if (argc < 1) {
fprintf(stderr, "usage: %s %s\n", prog, options);
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: %s %s\n", prog, usage);
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
@@ -57,21 +63,21 @@ int sm2keygen_main(int argc, char **argv)
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-pubout")) {
if (--argc < 1) goto bad;
puboutfile = *(++argv);
if (!(puboutfp = fopen(puboutfile, "wb"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
fprintf(stderr, "gmssl %s: illegal option '%s'\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "%s: `%s` option value missing\n", prog, *argv);
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
@@ -80,14 +86,14 @@ bad:
}
if (!pass) {
fprintf(stderr, "%s: `-pass` option required\n", prog);
fprintf(stderr, "gmssl %s: `-pass` option required\n", prog);
goto end;
}
if (sm2_key_generate(&key) != 1
|| sm2_private_key_info_encrypt_to_pem(&key, pass, outfp) != 1
|| sm2_public_key_info_to_pem(&key, puboutfp) != 1) {
fprintf(stderr, "%s: inner failure\n", prog);
fprintf(stderr, "gmssl %s: inner failure\n", prog);
goto end;
}
ret = 0;