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Add print fingerprint via -F feature #29

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Add print fingerprint via -F feature #29

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46 changes: 43 additions & 3 deletions signify.c
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,8 @@ usage(const char *error)
"\t%1$s -G [-n] [-c comment] -p pubkey -s seckey\n"
"\t%1$s -S [-enz] [-x sigfile] -s seckey -m message\n"
#endif
"\t%1$s -V [-eqz] [-p pubkey] [-t keytype] [-x sigfile] -m message\n",
"\t%1$s -V [-eqz] [-p pubkey] [-t keytype] [-x sigfile] -m message\n"
"\t%1$s -F [-p pubkey] [-s seckey ] [-x sigfile]\n",
getprogname());
exit(1);
}
Expand Down Expand Up @@ -547,6 +548,35 @@ verifysimple(const char *pubkeyfile, const char *msgfile, const char *sigfile,
free(msg);
}

static int
fingerprint(const char *seckeyfile, const char *pubkeyfile, const char *sigfile)
{
struct sig sig;
struct pubkey pubkey;
struct enckey enckey;
uint8_t *fp;

if (seckeyfile) {
readb64file(seckeyfile, &enckey, sizeof(enckey), NULL);
fp = enckey.keynum;
} else if (pubkeyfile) {
readb64file(pubkeyfile, &pubkey, sizeof(pubkey), NULL);
fp = pubkey.keynum;
} else if (sigfile) {
readb64file(sigfile, &sig, sizeof(sig), NULL);
fp = sig.keynum;
} else
return 1;

int i;
for (i = 0; i < KEYNUMLEN; i++)
{
fprintf(stdout, "%02x", fp[i]);
}
fprintf(stdout, "\n");
return 0;
}

static uint8_t *
verifyembedded(const char *pubkeyfile, const char *sigfile,
int quiet, unsigned long long *msglenp, const char *keytype)
Expand Down Expand Up @@ -769,13 +799,14 @@ main(int argc, char **argv)
CHECK,
GENERATE,
SIGN,
VERIFY
VERIFY,
FINGERPRINT
} verb = NONE;

if (pledge("stdio rpath wpath cpath tty", NULL) == -1)
err(1, "pledge");

while ((ch = getopt(argc, argv, "CGSVzc:em:np:qs:t:x:")) != -1) {
while ((ch = getopt(argc, argv, "CGSVFzc:em:np:qs:t:x:")) != -1) {
switch (ch) {
#ifndef VERIFYONLY
case 'C':
Expand All @@ -802,6 +833,11 @@ main(int argc, char **argv)
usage(NULL);
verb = VERIFY;
break;
case 'F':
if (verb)
usage(NULL);
verb = FINGERPRINT;
break;
case 'c':
comment = optarg;
break;
Expand Down Expand Up @@ -909,6 +945,10 @@ main(int argc, char **argv)
quiet, keytype);
}
break;
case FINGERPRINT:
if (!!seckeyfile + !!pubkeyfile + !!sigfile != 1)
usage("Need one secret/public key or signature");
return fingerprint(seckeyfile, pubkeyfile, sigfile);
default:
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
Expand Down