mls_crypto_provider/
error.rs

1#[derive(Debug, thiserror::Error)]
2pub enum MlsProviderError {
3    #[error(transparent)]
4    KeystoreError(#[from] core_crypto_keystore::CryptoKeystoreError),
5    #[error("The provided entropy seed has an incorrect length: expected {expected}, found {actual}")]
6    EntropySeedLengthError { actual: usize, expected: usize },
7    #[error("CSPRNG lock is poisoned")]
8    RngLockPoison,
9    #[error("Unable to collect enough randomness.")]
10    UnsufficientEntropy,
11    #[error("An error occured while generating a X509 certificate")]
12    CertificateGenerationError,
13    #[error("This ciphersuite isn't supported as of now")]
14    UnsupportedSignatureScheme,
15    #[error(transparent)]
16    SignatureError(#[from] signature::Error),
17    #[error("{0}")]
18    StringError(String),
19}
20
21#[allow(clippy::from_over_into)]
22impl Into<String> for MlsProviderError {
23    fn into(self) -> String {
24        self.to_string()
25    }
26}
27
28/// Note: You *will* be losing context when cloning the error, because errors should never be `Clone`able,
29/// but OpenMLS traits require it, so...let's do something that makes no sense.
30impl Clone for MlsProviderError {
31    fn clone(&self) -> Self {
32        Self::StringError(self.to_string())
33    }
34}
35
36/// Note: You should never test errors for equality because stacktraces can be different, yet we're
37/// constrained by OpenMLS to do this kind of things. So once again...
38impl PartialEq for MlsProviderError {
39    fn eq(&self, other: &Self) -> bool {
40        match (self, other) {
41            // (MlsProviderError::KeystoreError(kse), MlsProviderError::KeystoreError(kse2)) => kse == kse2,
42            (
43                MlsProviderError::EntropySeedLengthError { expected, actual },
44                MlsProviderError::EntropySeedLengthError {
45                    expected: expected2,
46                    actual: actual2,
47                },
48            ) => expected == expected2 && actual == actual2,
49            (MlsProviderError::StringError(s), MlsProviderError::StringError(s2)) => s == s2,
50            (MlsProviderError::RngLockPoison, MlsProviderError::RngLockPoison) => true,
51            (MlsProviderError::UnsufficientEntropy, MlsProviderError::UnsufficientEntropy) => true,
52            (MlsProviderError::CertificateGenerationError, MlsProviderError::CertificateGenerationError) => true,
53            (MlsProviderError::UnsupportedSignatureScheme, MlsProviderError::UnsupportedSignatureScheme) => true,
54            _ => false,
55        }
56    }
57}
58
59pub type MlsProviderResult<T> = Result<T, MlsProviderError>;
mls_crypto_provider/error.rs

mls_crypto_provider/
error.rs
