sec1/
error.rs

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1//! Error types
2
3use core::fmt;
4
5#[cfg(feature = "pem")]
6use der::pem;
7
8/// Result type with `sec1` crate's [`Error`] type.
9pub type Result<T> = core::result::Result<T, Error>;
10
11/// Error type
12#[derive(Copy, Clone, Debug, Eq, PartialEq)]
13#[non_exhaustive]
14pub enum Error {
15    /// ASN.1 DER-related errors.
16    #[cfg(feature = "der")]
17    #[cfg_attr(docsrs, doc(cfg(feature = "der")))]
18    Asn1(der::Error),
19
20    /// Cryptographic errors.
21    ///
22    /// These can be used by EC implementations to signal that a key is
23    /// invalid for cryptographic reasons. This means the document parsed
24    /// correctly, but one of the values contained within was invalid, e.g.
25    /// a number expected to be a prime was not a prime.
26    Crypto,
27
28    /// PKCS#8 errors.
29    #[cfg(feature = "pkcs8")]
30    Pkcs8(pkcs8::Error),
31
32    /// Errors relating to the `Elliptic-Curve-Point-to-Octet-String` or
33    /// `Octet-String-to-Elliptic-Curve-Point` encodings.
34    PointEncoding,
35
36    /// Version errors
37    Version,
38}
39
40impl fmt::Display for Error {
41    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
42        match self {
43            #[cfg(feature = "der")]
44            Error::Asn1(err) => write!(f, "SEC1 ASN.1 error: {}", err),
45            Error::Crypto => f.write_str("SEC1 cryptographic error"),
46            #[cfg(feature = "pkcs8")]
47            Error::Pkcs8(err) => write!(f, "{}", err),
48            Error::PointEncoding => f.write_str("elliptic curve point encoding error"),
49            Error::Version => f.write_str("SEC1 version error"),
50        }
51    }
52}
53
54#[cfg(feature = "der")]
55#[cfg_attr(docsrs, doc(cfg(feature = "der")))]
56impl From<der::Error> for Error {
57    fn from(err: der::Error) -> Error {
58        Error::Asn1(err)
59    }
60}
61
62#[cfg(feature = "pem")]
63impl From<pem::Error> for Error {
64    fn from(err: pem::Error) -> Error {
65        der::Error::from(err).into()
66    }
67}
68
69#[cfg(feature = "pkcs8")]
70impl From<pkcs8::Error> for Error {
71    fn from(err: pkcs8::Error) -> Error {
72        Error::Pkcs8(err)
73    }
74}
75
76#[cfg(feature = "pkcs8")]
77impl From<pkcs8::spki::Error> for Error {
78    fn from(err: pkcs8::spki::Error) -> Error {
79        Error::Pkcs8(pkcs8::Error::PublicKey(err))
80    }
81}
82
83#[cfg(feature = "std")]
84impl std::error::Error for Error {}
sec1/error.rs

sec1/
error.rs
