gm_sm9/
error.rs

1use std::fmt::Display;
2use std::fmt::Formatter;
3
4pub type Sm9Result<T> = Result<T, Sm9Error>;
5
6#[derive(PartialEq)]
7pub enum Sm9Error {
8    NotOnCurve,
9    FieldSqrtError,
10    InvalidDer,
11    InvalidPublic,
12    InvalidPrivate,
13    ZeroDivisor,
14    ZeroPoint,
15    InvalidPoint,
16    CheckPointErr,
17    ZeroData,
18    HashNotEqual,
19    IdTooLong,
20    ZeroFiled,
21    InvalidFieldLen,
22    ZeroSig,
23    InvalidDigestLen,
24    InvalidDigest,
25    InvalidSecretKey,
26    KdfHashError,
27}
28
29impl ::std::fmt::Debug for Sm9Error {
30    fn fmt(&self, f: &mut Formatter<'_>) -> ::std::fmt::Result {
31        write!(f, "{}", self)
32    }
33}
34
35impl From<Sm9Error> for &str {
36    fn from(e: Sm9Error) -> Self {
37        match e {
38            Sm9Error::NotOnCurve => "the point not on curve",
39            Sm9Error::FieldSqrtError => "field elem sqrt error",
40            Sm9Error::InvalidDer => "invalid der",
41            Sm9Error::InvalidPublic => "invalid public key",
42            Sm9Error::InvalidPrivate => "invalid private key",
43            Sm9Error::ZeroDivisor => "zero has no inversion",
44            Sm9Error::ZeroPoint => "cannot convert the infinite point to affine",
45            Sm9Error::InvalidPoint => "invalid jacobian point",
46            Sm9Error::CheckPointErr => "check point error",
47            Sm9Error::ZeroData => "the vector is zero",
48            Sm9Error::HashNotEqual => "hash not equal",
49            Sm9Error::IdTooLong => "ID is too long",
50            Sm9Error::ZeroFiled => "zero has no inversion in filed",
51            Sm9Error::InvalidFieldLen => "a SCA-256 field element must be 32-byte long",
52            Sm9Error::ZeroSig => "the signature is zero, cannot sign",
53            Sm9Error::InvalidDigestLen => "the length of digest must be 32-bytes",
54            Sm9Error::InvalidSecretKey => "invalid secret key",
55            Sm9Error::KdfHashError => "KDF hash error",
56            Sm9Error::InvalidDigest => "invalid signature digest",
57        }
58    }
59}
60
61impl Display for Sm9Error {
62    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
63        let err_msg = match self {
64            Sm9Error::NotOnCurve => "the point not on curve",
65            Sm9Error::FieldSqrtError => "field elem sqrt error",
66            Sm9Error::InvalidDer => "invalid der",
67            Sm9Error::InvalidPublic => "invalid public key",
68            Sm9Error::InvalidPrivate => "invalid private key",
69            Sm9Error::ZeroDivisor => "zero has no inversion",
70            Sm9Error::ZeroPoint => "cannot convert the infinite point to affine",
71            Sm9Error::InvalidPoint => "invalid jacobian point",
72            Sm9Error::CheckPointErr => "check point error",
73            Sm9Error::ZeroData => "the vector is zero",
74            Sm9Error::HashNotEqual => "hash and cipher not equal",
75            Sm9Error::IdTooLong => "ID is too long",
76            Sm9Error::ZeroFiled => "zero has no inversion in filed",
77            Sm9Error::InvalidFieldLen => "a SCA-256 field element must be 32-byte long",
78            Sm9Error::ZeroSig => "the signature is zero, cannot sign",
79            Sm9Error::InvalidDigestLen => "the length of digest must be 32-bytes",
80            Sm9Error::InvalidSecretKey => "invalid secret key",
81            Sm9Error::KdfHashError => "KDF hash error",
82            Sm9Error::InvalidDigest => "invalid signature digest",
83        };
84        write!(f, "{}", err_msg)
85    }
86}