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This commit is contained in:
Zhi Guan
2022-05-23 21:00:14 +08:00
parent 139f743f98
commit 11c526b053
21 changed files with 856 additions and 698 deletions
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110
tools/sm3hmac.c
View File

@@ -47,48 +47,82 @@
*/
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <gmssl/sm3.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
#include <gmssl/sm3.h>
static const char *options = "-key hex [-in file] [-bin|-hex] [-out file]";
int sm3hmac_main(int argc, char **argv)
{
int ret = -1;
int ret = 1;
char *prog = argv[0];
char *keyhex = NULL;
int bin = 0;
char *infile = NULL;
uint8_t key[32];
char *outfile = NULL;
uint8_t key[SM3_DIGEST_SIZE];
size_t keylen;
FILE *in = stdin;
SM3_HMAC_CTX ctx;
uint8_t dgst[32];
FILE *infp = stdin;
FILE *outfp = stdout;
uint8_t buf[4096];
size_t len;
SM3_HMAC_CTX ctx;
uint8_t mac[SM3_HMAC_SIZE];
size_t i;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: %s %s\n", prog, options);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
help:
fprintf(stderr, "usage: %s -keyhex hex [-in file]\n", prog);
return -1;
} else if (!strcmp(*argv, "-keyhex")) {
printf("usage: %s %s\n", prog, options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) > sizeof(key) * 2) {
fprintf(stderr, "%s: key should be less than 64 digits (32 bytes)\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "%s: invalid HEX digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-hex")) {
bin = 0;
} else if (!strcmp(*argv, "-bin")) {
bin = 1;
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "r"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "w"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
goto help;
goto end;
bad:
fprintf(stderr, "%s: '%s' option value missing\n", prog, *argv);
goto end;
}
argc--;
@@ -96,38 +130,32 @@ help:
}
if (!keyhex) {
fprintf(stderr, "%s: option '-keyhex' required\n", prog);
goto help;
}
if (strlen(keyhex) > sizeof(key) * 2) {
error_print();
return -1;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
error_print();
return -1;
fprintf(stderr, "%s: option '-key' required\n", prog);
goto end;
}
sm3_hmac_init(&ctx, key, keylen);
while ((len = fread(buf, 1, sizeof(buf), stdin)) > 0) {
sm3_hmac_update(&ctx, buf, len);
}
sm3_hmac_finish(&ctx, dgst);
sm3_hmac_finish(&ctx, mac);
for (i = 0; i < sizeof(dgst); i++) {
printf("%02x", dgst[i]);
if (bin) {
if (fwrite(mac, 1, sizeof(mac), outfp) != sizeof(mac)) {
fprintf(stderr, "%s: output failure : %s\n", prog, strerror(errno));
goto end;
}
} else {
for (i = 0; i < sizeof(mac); i++) {
fprintf(outfp, "%02x", mac[i]);
}
fprintf(outfp, "\n");
}
if (infile) {
printf(" : %s", infile);
}
printf("\n");
memset(&ctx, 0, sizeof(ctx));
memset(key, 0, sizeof(key));
return 0;
bad:
fprintf(stderr, "%s: '%s' option value required\n", prog, *argv);
return -1;
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(&ctx, sizeof(ctx));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}