sec1/
error.rs

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

sec1/
error.rs
