blob: eca52918881009e484067c56101479b0921c7bb2 (
plain)
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
67
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.haveged;
in
{
###### interface
options = {
services.haveged = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable to haveged entropy daemon, which refills
/dev/random when low.
'';
};
refill_threshold = mkOption {
type = types.int;
default = 1024;
description = ''
The number of bits of available entropy beneath which
haveged should refill the entropy pool.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
systemd.services.haveged =
{ description = "Entropy Harvesting Daemon";
unitConfig.Documentation = "man:haveged(8)";
wantedBy = [ "multi-user.target" ];
path = [ pkgs.haveged ];
serviceConfig = {
ExecStart = "${pkgs.haveged}/bin/haveged -F -w ${toString cfg.refill_threshold} -v 1";
SuccessExitStatus = 143;
PrivateTmp = true;
PrivateDevices = true;
PrivateNetwork = true;
ProtectSystem = "full";
ProtectHome = true;
};
};
};
}
|
