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This commit is contained in:
Zhi Guan
2024-05-24 11:31:42 +08:00
parent ec16879fd8
commit 77fa479e38
6 changed files with 132 additions and 28 deletions
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29
tools/sm9decrypt.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.
@@ -16,7 +16,25 @@
#include <gmssl/error.h>
static const char *options = "[-in file] -key file -pass str -id str [-out file]";
static const char *usage = "-key pem -pass str -id str [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -key pem Recipient's private key in PEM format\n"
" -pass str Password to open the private key\n"
" -id str Recipient's identity string\n"
" -in file | stdin Encrypted file or data\n"
" -out file | stdout Output plaintext\n"
"\n"
"Examples\n"
"\n"
" $ gmssl sm9setup -alg sm9encrypt -pass P@ssw0rd -out sm9enc_msk.pem -pubout sm9enc_mpk.pem\n"
" $ gmssl sm9keygen -alg sm9encrypt -in sm9enc_msk.pem -inpass P@ssw0rd -id Alice -out sm9enc.pem -outpass 123456\n"
"\n"
" $ echo 'Secret text' | gmssl sm9encrypt -pubmaster sm9enc_mpk.pem -id Alice -out sm9_ciphertext.der\n"
" $ gmssl sm9decrypt -key sm9enc.pem -pass 123456 -id Alice -in sm9_ciphertext.der\n"
"\n";
int sm9decrypt_main(int argc, char **argv)
{
@@ -39,13 +57,14 @@ int sm9decrypt_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")) {
fprintf(stdout, "usage: %s %s\n", prog, options);
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
return 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
@@ -76,7 +95,7 @@ int sm9decrypt_main(int argc, char **argv)
}
} else {
bad:
fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
fprintf(stderr, "gmssl %s: illegal option '%s'\n", prog, *argv);
return 1;
}