offline-protocol-mls 0.30.0

MLS (Message Layer Security) integration for end-to-end encryption in the Offline Protocol SDK
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

//! Custom OpenMLS provider implementation.
//!
//! This module provides [`MlsProvider`], which combines the OpenMLS Rust crypto
//! backend with our custom storage adapter.

use crate::storage_adapter::MlsStorageAdapter;
use openmls_rust_crypto::OpenMlsRustCrypto;
use openmls_traits::OpenMlsProvider;
use std::sync::Arc;

/// Custom OpenMLS provider that uses our MlsStorageAdapter for persistence.
#[derive(Clone)]
pub struct MlsProvider {
    inner: Arc<OpenMlsRustCrypto>,
    storage: MlsStorageAdapter,
}

impl MlsProvider {
    /// Creates a new MLS provider with the given storage adapter.
    pub fn new(storage: MlsStorageAdapter) -> Self {
        Self {
            inner: Arc::new(OpenMlsRustCrypto::default()),
            storage,
        }
    }
}

impl OpenMlsProvider for MlsProvider {
    type CryptoProvider = <OpenMlsRustCrypto as OpenMlsProvider>::CryptoProvider;
    type RandProvider = <OpenMlsRustCrypto as OpenMlsProvider>::RandProvider;
    type StorageProvider = MlsStorageAdapter;

    fn crypto(&self) -> &Self::CryptoProvider {
        self.inner.crypto()
    }

    fn rand(&self) -> &Self::RandProvider {
        self.inner.rand()
    }

    fn storage(&self) -> &Self::StorageProvider {
        &self.storage
    }
}