1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
implement Dsagen;
include "sys.m";
sys: Sys;
include "draw.m";
include "ipints.m";
ipints: IPints;
IPint: import ipints;
include "crypt.m";
crypt: Crypt;
include "arg.m";
Dsagen: module
{
init: fn(nil: ref Draw->Context, nil: list of string);
};
init(nil: ref Draw->Context, args: list of string)
{
sys = load Sys Sys->PATH;
ipints = load IPints IPints->PATH;
crypt = load Crypt Crypt->PATH;
arg := load Arg Arg->PATH;
arg->init(args);
arg->setusage("auth/dsagen [-t 'attr=value attr=value ...']");
tag: string;
while((o := arg->opt()) != 0)
case o {
't' =>
tag = arg->earg();
* =>
arg->usage();
}
args = arg->argv();
if(args != nil)
arg->usage();
arg = nil;
sk := crypt->dsagen(nil);
if(tag != nil)
tag = " "+tag;
s := add("p", sk.pk.p);
s += add("q", sk.pk.q);
s += add("alpha", sk.pk.alpha);
s += add("key", sk.pk.key);
s += add("!secret", sk.secret);
a := sys->aprint("key proto=dsa%s%s\n", tag, s);
if(sys->write(sys->fildes(1), a, len a) != len a)
error(sys->sprint("error writing key: %r"));
}
error(s: string)
{
sys->fprint(sys->fildes(2), "dsagen: %s\n", s);
raise "fail:error";
}
add(name: string, b: ref IPint): string
{
return " "+name+"="+b.iptostr(16);
}
|
