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
#![no_std]
#![cfg_attr(docsrs, feature(doc_cfg))]
#![doc(
html_logo_url = "https://raw.githubusercontent.com/RustCrypto/meta/master/logo.svg",
html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/meta/master/logo.svg",
html_root_url = "https://docs.rs/k256/0.7.3"
)]
#![forbid(unsafe_code)]
#![warn(missing_docs, rust_2018_idioms, unused_qualifications)]
#[cfg(feature = "arithmetic")]
mod arithmetic;
#[cfg(feature = "ecdh")]
#[cfg_attr(docsrs, doc(cfg(feature = "ecdh")))]
pub mod ecdh;
#[cfg(feature = "ecdsa-core")]
#[cfg_attr(docsrs, doc(cfg(feature = "ecdsa-core")))]
pub mod ecdsa;
#[cfg(any(feature = "test-vectors", test))]
#[cfg_attr(docsrs, doc(cfg(feature = "test-vectors")))]
pub mod test_vectors;
pub use elliptic_curve;
#[cfg(feature = "arithmetic")]
pub use arithmetic::{
affine::AffinePoint,
projective::ProjectivePoint,
scalar::{NonZeroScalar, Scalar, ScalarBits},
};
#[cfg(feature = "expose-field")]
pub use arithmetic::FieldElement;
#[cfg(feature = "pkcs8")]
#[cfg_attr(docsrs, doc(cfg(feature = "pkcs8")))]
pub use elliptic_curve::pkcs8;
use elliptic_curve::consts::U32;
#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Ord)]
pub struct Secp256k1;
impl elliptic_curve::Curve for Secp256k1 {
type FieldSize = U32;
}
impl elliptic_curve::weierstrass::Curve for Secp256k1 {}
impl elliptic_curve::weierstrass::point::Compression for Secp256k1 {
const COMPRESS_POINTS: bool = true;
}
#[cfg(feature = "pkcs8")]
impl elliptic_curve::AlgorithmParameters for Secp256k1 {
const OID: pkcs8::ObjectIdentifier = pkcs8::ObjectIdentifier::new(&[1, 3, 132, 0, 10]);
}
pub type CompressedPoint = [u8; 33];
pub type FieldBytes = elliptic_curve::FieldBytes<Secp256k1>;
pub type EncodedPoint = elliptic_curve::sec1::EncodedPoint<Secp256k1>;
#[cfg(feature = "arithmetic")]
pub type PublicKey = elliptic_curve::PublicKey<Secp256k1>;
#[cfg(feature = "zeroize")]
#[cfg_attr(docsrs, doc(cfg(feature = "zeroize")))]
pub type SecretKey = elliptic_curve::SecretKey<Secp256k1>;
#[cfg(feature = "zeroize")]
#[cfg_attr(docsrs, doc(cfg(feature = "zeroize")))]
pub type SecretBytes = elliptic_curve::secret_key::SecretBytes<Secp256k1>;
#[cfg(all(not(feature = "arithmetic"), feature = "zeroize"))]
impl elliptic_curve::secret_key::SecretValue for Secp256k1 {
type Secret = SecretBytes;
fn from_secret_bytes(bytes: &FieldBytes) -> Option<SecretBytes> {
Some(bytes.clone().into())
}
}