int
main(int argc, const char **argv)
{
unsigned char *sk, *pk, *n, *m, *c;
size_t mlen, clen;
if (argc < 2) {
puts("usage: cbox SK PK NONCE");
return 1;
}
if (strlen(argv[1]) != crypto_box_SECRETKEYBYTES * 2)
errx(1, "bad SK length");
sk = decodehex(argv[1]);
if (strlen(argv[2]) != crypto_box_PUBLICKEYBYTES * 2)
errx(1, "bad PK length");
pk = decodehex(argv[2]);
if (strlen(argv[3]) != crypto_box_NONCEBYTES * 2)
errx(1, "bad NONCE length");
n = decodehex(argv[3]);
mlen = readmsg(&m);
if ((c = calloc(mlen, 1)) == NULL)
err(1, NULL);
crypto_box(c, m, mlen, n, pk, sk);
c += crypto_box_BOXZEROBYTES;
clen = mlen - crypto_box_BOXZEROBYTES;
if (fwrite(c, 1, clen, stdout) != clen)
err(1, NULL);
return 0;
}
void
nbmknamefromstring(NbName nbname, char *s)
{
int i;
memset(nbname, ' ', NbNameLen - 1);
nbname[NbNameLen - 1] = 0;
i = 0;
while (*s) {
if (*s == '\\' && *(s + 1) == 'x') {
s += 2;
if (*s == 0 || *(s + 1) == 0)
return;
nbname[NbNameLen - 1] = (decodehex(s[0]) << 4) | decodehex(s[1]);
return;
} else {
if (i < NbNameLen - 1)
nbname[i++] = toupper(*s);
s++;
}
}
}
int
main(int argc, const char **argv)
{
unsigned char *sk, *m, *sm;
size_t mlen, n;
long long unsigned int smlen;
if (argc < 2) {
puts("usage: csign PRIVATE_KEY");
return 1;
}
if (strlen(argv[1]) != crypto_sign_SECRETKEYBYTES * 2)
errx(1, "bad key length");
sk = decodehex(argv[1]);
mlen = readmsg(&m);
if ((sm = calloc(mlen + crypto_sign_BYTES, 1)) == NULL)
err(1, NULL);
crypto_sign(sm, &smlen, m, mlen, sk);
if ((n = fwrite(sm, 1, crypto_sign_BYTES, stdout)) != smlen)
err(1, NULL);
return 0;
}
int
main(int argc, char *argv[])
{
struct termios mode;
struct termios mode2;
struct winsize winsize;
struct speed speed;
int aflag = 0;
int gflag = 0;
size_t n;
unsigned char *buf;
char *p;
speed_t in, out;
for (argv0 = *argv++, argc--; argc; argv++, argc--) {
if (!strcmp(*argv, "-ag") || !strcmp(*argv, "-ga")) {
aflag = gflag = 1;
} else if (!strcmp(*argv, "-g")) {
gflag = 1;
} else if (!strcmp(*argv, "-a")) {
aflag = 1;
} else if (!strcmp(*argv, "--")) {
argv++, argc--;
break;
} else {
break;
}
}
if (aflag && gflag)
usage();
memset(&mode, 0, sizeof(mode));
if (tcgetattr(STDIN_FILENO, &mode))
eprintf("tcgetattr <stdin>:");
memcpy(&mode2, &mode, sizeof(mode));
for (; *argv; argv++) {
if (**argv == '=') {
p = *argv + 1;
if (strlen(p) != sizeof(mode) * 2 || !isxnumber(p))
goto invalid;
decodehex((char *)&mode, p);
} else if (!parseoperand_mode(*argv, &mode)) {
/* do nothing. */
} else if (!parseoperand_key(argv[0], argv[1], &mode)) {
argv++;
} else if (!parseoperand_int(argv[0], argv[1], &mode)) {
argv++;
} else if (!strcmp(argv[0], "line")) {
if (!argv[1])
eprintf("missing argument for operand: %s\n", argv[0]);
line(argv[1], &mode);
argv++;
} else if (!parsespeed(*argv, &speed)) {
if (cfsetispeed(&mode, speed.speed))
eprintf("cfsetispeed %s:", speed.str);
if (cfsetospeed(&mode, speed.speed))
eprintf("cfsetospeed %s:", speed.str);
} else {
goto invalid;
}
}
if (memcmp(&mode, &mode2, sizeof(mode))) {
memset(&mode2, 0, sizeof(mode2));
if (tcsetattr(STDIN_FILENO, drain_requested ? TCSADRAIN : TCSANOW, &mode))
eprintf("tcsetattr <stdin>:");
if (tcgetattr(STDIN_FILENO, &mode2))
eprintf("tcgetattr <stdin>:");
if (memcmp(&mode, &mode2, sizeof(mode)))
eprintf("tcsetattr <stdin>: unable to apply all operands\n");
}
if (gflag) {
buf = (unsigned char *)&mode;
printf("=");
for (n = sizeof(mode); n--; buf++)
printf("%02x", *buf);
printf("\n");
}
if (output_size_requested) {
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &winsize))
eprintf("TIOCGWINSZ <stdin>:");
printf("%u %u\n", winsize.ws_row, winsize.ws_col);
}
if (output_speed_requested) {
in = cfgetispeed(&mode);
out = cfgetospeed(&mode);
if (!in || in == out)
printf("%s\n", baudtostr(out));
else
printf("%s %s\n", baudtostr(in), baudtostr(out));
}
if ((aflag || !argc) && !gflag)
displaysettings(&mode, aflag);
return 0;
invalid:
eprintf("invalid operand: %s\n", *argv);
}
