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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
use error::ErrorStack;
use ffi;
use foreign_types::ForeignTypeRef;
use std::mem;
use std::ptr;
use {cvt, cvt_p};
use bn::BigNum;
foreign_type! {
type CType = ffi::DH;
fn drop = ffi::DH_free;
pub struct Dh;
pub struct DhRef;
}
impl DhRef {
to_pem!(ffi::PEM_write_bio_DHparams);
to_der!(ffi::i2d_DHparams);
}
impl Dh {
pub fn from_params(p: BigNum, g: BigNum, q: BigNum) -> Result<Dh, ErrorStack> {
unsafe {
let dh = Dh(try!(cvt_p(ffi::DH_new())));
try!(cvt(compat::DH_set0_pqg(
dh.0,
p.as_ptr(),
q.as_ptr(),
g.as_ptr(),
)));
mem::forget((p, g, q));
Ok(dh)
}
}
from_pem!(Dh, ffi::PEM_read_bio_DHparams);
from_der!(Dh, ffi::d2i_DHparams);
/// Requires the `v102` or `v110` features and OpenSSL 1.0.2 or OpenSSL 1.1.0.
#[cfg(any(all(feature = "v102", ossl102), all(feature = "v110", ossl110)))]
pub fn get_1024_160() -> Result<Dh, ErrorStack> {
unsafe {
ffi::init();
cvt_p(ffi::DH_get_1024_160()).map(Dh)
}
}
/// Requires the `v102` or `v110` features and OpenSSL 1.0.2 or OpenSSL 1.1.0.
#[cfg(any(all(feature = "v102", ossl102), all(feature = "v110", ossl110)))]
pub fn get_2048_224() -> Result<Dh, ErrorStack> {
unsafe {
ffi::init();
cvt_p(ffi::DH_get_2048_224()).map(Dh)
}
}
/// Requires the `v102` or `v110` features and OpenSSL 1.0.2 or OpenSSL 1.1.0.
#[cfg(any(all(feature = "v102", ossl102), all(feature = "v110", ossl110)))]
pub fn get_2048_256() -> Result<Dh, ErrorStack> {
unsafe {
ffi::init();
cvt_p(ffi::DH_get_2048_256()).map(Dh)
}
}
}
#[cfg(ossl110)]
mod compat {
pub use ffi::DH_set0_pqg;
}
#[cfg(ossl10x)]
#[allow(bad_style)]
mod compat {
use ffi;
use libc::c_int;
pub unsafe fn DH_set0_pqg(
dh: *mut ffi::DH,
p: *mut ffi::BIGNUM,
q: *mut ffi::BIGNUM,
g: *mut ffi::BIGNUM,
) -> c_int {
(*dh).p = p;
(*dh).q = q;
(*dh).g = g;
1
}
}
#[cfg(test)]
mod tests {
use dh::Dh;
use bn::BigNum;
use ssl::{SslMethod, SslContext};
#[test]
#[cfg(any(all(feature = "v102", ossl102), all(feature = "v110", ossl110)))]
fn test_dh_rfc5114() {
let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
let dh1 = Dh::get_1024_160().unwrap();
ctx.set_tmp_dh(&dh1).unwrap();
let dh2 = Dh::get_2048_224().unwrap();
ctx.set_tmp_dh(&dh2).unwrap();
let dh3 = Dh::get_2048_256().unwrap();
ctx.set_tmp_dh(&dh3).unwrap();
}
#[test]
fn test_dh() {
let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
let p = BigNum::from_hex_str(
"87A8E61DB4B6663CFFBBD19C651959998CEEF608660DD0F25D2CEED4435\
E3B00E00DF8F1D61957D4FAF7DF4561B2AA3016C3D91134096FAA3BF429\
6D830E9A7C209E0C6497517ABD5A8A9D306BCF67ED91F9E6725B4758C02\
2E0B1EF4275BF7B6C5BFC11D45F9088B941F54EB1E59BB8BC39A0BF1230\
7F5C4FDB70C581B23F76B63ACAE1CAA6B7902D52526735488A0EF13C6D9\
A51BFA4AB3AD8347796524D8EF6A167B5A41825D967E144E5140564251C\
CACB83E6B486F6B3CA3F7971506026C0B857F689962856DED4010ABD0BE\
621C3A3960A54E710C375F26375D7014103A4B54330C198AF126116D227\
6E11715F693877FAD7EF09CADB094AE91E1A1597",
).unwrap();
let g = BigNum::from_hex_str(
"3FB32C9B73134D0B2E77506660EDBD484CA7B18F21EF205407F4793A1A0\
BA12510DBC15077BE463FFF4FED4AAC0BB555BE3A6C1B0C6B47B1BC3773\
BF7E8C6F62901228F8C28CBB18A55AE31341000A650196F931C77A57F2D\
DF463E5E9EC144B777DE62AAAB8A8628AC376D282D6ED3864E67982428E\
BC831D14348F6F2F9193B5045AF2767164E1DFC967C1FB3F2E55A4BD1BF\
FE83B9C80D052B985D182EA0ADB2A3B7313D3FE14C8484B1E052588B9B7\
D2BBD2DF016199ECD06E1557CD0915B3353BBB64E0EC377FD028370DF92\
B52C7891428CDC67EB6184B523D1DB246C32F63078490F00EF8D647D148\
D47954515E2327CFEF98C582664B4C0F6CC41659",
).unwrap();
let q = BigNum::from_hex_str(
"8CF83642A709A097B447997640129DA299B1A47D1EB3750BA308B0FE64F\
5FBD3",
).unwrap();
let dh = Dh::from_params(p, g, q).unwrap();
ctx.set_tmp_dh(&dh).unwrap();
}
#[test]
fn test_dh_from_pem() {
let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
let params = include_bytes!("../test/dhparams.pem");
let dh = Dh::from_pem(params).unwrap();
ctx.set_tmp_dh(&dh).unwrap();
}
#[test]
fn test_dh_from_der() {
let params = include_bytes!("../test/dhparams.pem");
let dh = Dh::from_pem(params).unwrap();
let der = dh.to_der().unwrap();
Dh::from_der(&der).unwrap();
}
}
|