core_crypto/mls/session/
error.rs

1//! MLS errors
2
3// We allow missing documentation in the error module because the types are generally self-descriptive.
4#![allow(missing_docs)]
5
6pub(crate) type Result<T, E = Error> = core::result::Result<T, E>;
7
8#[derive(Debug, thiserror::Error)]
9pub enum Error {
10    #[error("Supplied user id was not valid")]
11    InvalidUserId,
12    #[error("X509 certificate bundle set was empty")]
13    NoX509CertificateBundle,
14    #[error("Tried to insert an already existing CredentialBundle")]
15    CredentialBundleConflict,
16    #[error("A MLS operation was requested but MLS hasn't been initialized on this instance")]
17    MlsNotInitialized,
18    #[error("A Credential of type {0:?} was not found locally which is very likely an implementation error")]
19    CredentialNotFound(crate::prelude::MlsCredentialType),
20    #[error("supplied signature scheme was not valid")]
21    InvalidSignatureScheme,
22    /// The keystore has no knowledge of such client; this shouldn't happen as Client::init is failsafe (find-else-create)
23    #[error("The provided client signature has not been found in the keystore")]
24    ClientSignatureNotFound,
25    /// Client was unexpectedly ready.
26    ///
27    /// This indicates an invalid calling pattern.
28    #[error("Client was unexpectedly ready")]
29    UnexpectedlyReady,
30    #[error("The keystore already contains a stored identity. Cannot create a new one!")]
31    IdentityAlreadyPresent,
32    #[error("The supplied credential does not match the id or signature schemes provided")]
33    WrongCredential,
34    #[error("An EpochObserver has already been registered; reregistration is not possible")]
35    EpochObserverAlreadyExists,
36    #[error("Serializing {item} for TLS")]
37    TlsSerialize {
38        item: &'static str,
39        #[source]
40        source: tls_codec::Error,
41    },
42    #[error("Deserializing {item} for TLS")]
43    TlsDeserialize {
44        item: &'static str,
45        #[source]
46        source: tls_codec::Error,
47    },
48    #[error(transparent)]
49    Mls(#[from] crate::MlsError),
50    #[error(transparent)]
51    Keystore(#[from] crate::KeystoreError),
52    #[error("{0}")]
53    Leaf(#[from] crate::LeafError),
54    #[error(transparent)]
55    Recursive(#[from] crate::RecursiveError),
56}
57
58impl Error {
59    pub fn tls_serialize(item: &'static str) -> impl FnOnce(tls_codec::Error) -> Self {
60        move |source| Self::TlsSerialize { item, source }
61    }
62
63    pub fn tls_deserialize(item: &'static str) -> impl FnOnce(tls_codec::Error) -> Self {
64        move |source| Self::TlsDeserialize { item, source }
65    }
66}
core_crypto/mls/session/error.rs

core_crypto/mls/session/
error.rs
