static inline void ev_debug(enum ev_type type, union ev_val *val, uint32_t count)
{
switch (type) {
case ev_string:
cli_dbgmsg("\t(%u): %s\n", count, val->v_string);
break;
case ev_data:
{
char *d = cli_str2hex(val->v_data, count);
cli_dbgmsg("\t%d bytes\n", count);
cli_dbgmsg("\t%s\n", d);
free(d);
break;
}
case ev_data_fast:
cli_dbgmsg("\t%08x checksum, %u bytes\n", (uint32_t)val->v_int, count);
break;
case ev_int:
cli_dbgmsg("\t(%u): 0x%llx\n", count, (long long)val->v_int);
break;
case ev_time:
cli_dbgmsg("\t(%u): %d.%06us\n", count, (signed)(val->v_int / 1000000),
(unsigned)(val->v_int % 1000000));
break;
}
}
int cli_versig(const char *md5, const char *dsig)
{
mp_int n, e;
char *pt, *pt2;
if(strlen(md5) != 32 || !isalnum(md5[0])) {
/* someone is trying to fool us with empty/malformed MD5 ? */
cli_errmsg("SECURITY WARNING: MD5 basic test failure.\n");
return CL_EVERIFY;
}
mp_init(&n);
mp_read_radix(&n, CLI_NSTR, 10);
mp_init(&e);
mp_read_radix(&e, CLI_ESTR, 10);
if(!(pt = (char *) cli_decodesig(dsig, 16, e, n))) {
mp_clear(&n);
mp_clear(&e);
return CL_EVERIFY;
}
pt2 = cli_str2hex(pt, 16);
free(pt);
cli_dbgmsg("cli_versig: Decoded signature: %s\n", pt2);
if(strncmp(md5, pt2, 32)) {
cli_dbgmsg("cli_versig: Signature doesn't match.\n");
free(pt2);
mp_clear(&n);
mp_clear(&e);
return CL_EVERIFY;
}
free(pt2);
mp_clear(&n);
mp_clear(&e);
cli_dbgmsg("cli_versig: Digital signature is correct.\n");
return CL_SUCCESS;
}
