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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
const std = @import("std");
const uefi = std.os.uefi;
const Guid = uefi.Guid;
const Status = uefi.Status;
const cc = uefi.cc;
const Error = Status.Error;
/// Random Number Generator protocol
pub const Rng = extern struct {
_get_info: *const fn (*const Rng, *usize, [*]align(8) Guid) callconv(cc) Status,
_get_rng: *const fn (*const Rng, ?*align(8) const Guid, usize, [*]u8) callconv(cc) Status,
pub const GetInfoError = uefi.UnexpectedError || error{
Unsupported,
DeviceError,
BufferTooSmall,
};
pub const GetRNGError = uefi.UnexpectedError || error{
Unsupported,
DeviceError,
NotReady,
InvalidParameter,
};
/// Returns information about the random number generation implementation.
pub fn getInfo(self: *const Rng, list: []align(8) Guid) GetInfoError![]align(8) Guid {
var len: usize = list.len;
switch (self._get_info(self, &len, list.ptr)) {
.success => return list[0..len],
.unsupported => return Error.Unsupported,
.device_error => return Error.DeviceError,
.buffer_too_small => return Error.BufferTooSmall,
else => |status| return uefi.unexpectedStatus(status),
}
}
/// Produces and returns an RNG value using either the default or specified RNG algorithm.
pub fn getRNG(self: *const Rng, algo: ?*align(8) const Guid, value: []u8) GetRNGError!void {
switch (self._get_rng(self, algo, value.len, value.ptr)) {
.success => {},
.unsupported => return Error.Unsupported,
.device_error => return Error.DeviceError,
.not_ready => return Error.NotReady,
.invalid_parameter => return Error.InvalidParameter,
else => |status| return uefi.unexpectedStatus(status),
}
}
pub const guid align(8) = Guid{
.time_low = 0x3152bca5,
.time_mid = 0xeade,
.time_high_and_version = 0x433d,
.clock_seq_high_and_reserved = 0x86,
.clock_seq_low = 0x2e,
.node = [_]u8{ 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44 },
};
pub const algorithm_sp800_90_hash_256 align(8) = Guid{
.time_low = 0xa7af67cb,
.time_mid = 0x603b,
.time_high_and_version = 0x4d42,
.clock_seq_high_and_reserved = 0xba,
.clock_seq_low = 0x21,
.node = [_]u8{ 0x70, 0xbf, 0xb6, 0x29, 0x3f, 0x96 },
};
pub const algorithm_sp800_90_hmac_256 align(8) = Guid{
.time_low = 0xc5149b43,
.time_mid = 0xae85,
.time_high_and_version = 0x4f53,
.clock_seq_high_and_reserved = 0x99,
.clock_seq_low = 0x82,
.node = [_]u8{ 0xb9, 0x43, 0x35, 0xd3, 0xa9, 0xe7 },
};
pub const algorithm_sp800_90_ctr_256 align(8) = Guid{
.time_low = 0x44f0de6e,
.time_mid = 0x4d8c,
.time_high_and_version = 0x4045,
.clock_seq_high_and_reserved = 0xa8,
.clock_seq_low = 0xc7,
.node = [_]u8{ 0x4d, 0xd1, 0x68, 0x85, 0x6b, 0x9e },
};
pub const algorithm_x9_31_3des align(8) = Guid{
.time_low = 0x63c4785a,
.time_mid = 0xca34,
.time_high_and_version = 0x4012,
.clock_seq_high_and_reserved = 0xa3,
.clock_seq_low = 0xc8,
.node = [_]u8{ 0x0b, 0x6a, 0x32, 0x4f, 0x55, 0x46 },
};
pub const algorithm_x9_31_aes align(8) = Guid{
.time_low = 0xacd03321,
.time_mid = 0x777e,
.time_high_and_version = 0x4d3d,
.clock_seq_high_and_reserved = 0xb1,
.clock_seq_low = 0xc8,
.node = [_]u8{ 0x20, 0xcf, 0xd8, 0x88, 0x20, 0xc9 },
};
pub const algorithm_raw align(8) = Guid{
.time_low = 0xe43176d7,
.time_mid = 0xb6e8,
.time_high_and_version = 0x4827,
.clock_seq_high_and_reserved = 0xb7,
.clock_seq_low = 0x84,
.node = [_]u8{ 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61 },
};
};
|
