permissionlesstech/bitchat
1
0
Fork 0
mirror of https://github.com/permissionlesstech/bitchat.git synced 2026-07-24 23:45:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/docs/whitepaper-reconcile' into feat/integration-all

Browse Source
This commit is contained in:
jack
2026-07-06 22:31:24 +02:00
parent 00c7f0460a f5dde45c18
commit 94e7f91b7b
2 changed files with 10 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bitchat/Protocols/BitchatProtocol.swift
+9 -7
View File
@@ -18,7 +18,7 @@
/// - Efficient binary message encoding
/// - Message fragmentation for large payloads
/// - TTL-based routing for mesh networks
/// - Privacy features like padding and timing obfuscation
/// - Privacy features: message padding and randomized relay jitter
/// - Integration points for end-to-end encryption
///
/// ## Protocol Design
@@ -38,18 +38,20 @@
/// 7. **Decoding**: Binary data parsed back to message objects
///
/// ## Security Considerations
/// - Message padding obscures actual content length
/// - Timing obfuscation prevents traffic analysis
/// - Message padding (to 256/512/1024/2048-byte blocks) obscures actual content length
/// - Randomized relay jitter reduces the traffic-analysis signal; there is no
/// cover traffic or per-message timing obfuscation
/// - Integration with Noise Protocol for E2E encryption
/// - No persistent identifiers in protocol headers
///
/// ## Message Types
/// - **Announce/Leave**: Peer presence notifications
/// - **Message**: User chat messages (broadcast or directed)
/// - **Message**: Public chat messages
/// - **Fragment**: Multi-part message handling
/// - **Delivery/Read**: Message acknowledgments
/// - **Noise**: Encrypted channel establishment
/// - **Version**: Protocol version negotiation
/// - **NoiseHandshake/NoiseEncrypted**: Encrypted channel establishment and
/// all private payloads (messages, delivery acks, read receipts)
/// - **CourierEnvelope**: Sealed store-and-forward mail
/// - **RequestSync/FileTransfer**: Gossip history sync and media transfer
///
/// ## Future Extensions
/// The protocol is designed to be extensible:
localPackages/BitFoundation/Sources/BitFoundation/MessageType.swift
+1 -1
View File
@@ -7,7 +7,7 @@
//
/// Simplified BitChat protocol message types.
/// Reduced from 24 types to just 6 essential ones.
/// Consolidated from the original 24 wire types down to the 9 cases below.
/// All private communication metadata (receipts, status) is embedded in noiseEncrypted payloads.
public enum MessageType: UInt8 {
// Public messages (unencrypted)