permissionlesstech/bitchat-android
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Changes bitchat protocol (#265)

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* create payload

* compiles and can send messages

* identityannouncement

* DMs work, read receipt not sent yet

* works

* delete old code

* simplify

* working

* fragment wip

* compression wip

* use zlib compression

* clean

* nice

* mesh

* remove comments
This commit is contained in:
callebtc
2025-08-18 21:16:27 +02:00
committed by GitHub
parent b86f2cdb11
commit 9795e2ce8a
25 changed files with 1533 additions and 1819 deletions
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app/src/main/java/com/bitchat/android/mesh/SecurityManager.kt
+6 -5
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@@ -88,9 +88,10 @@ class SecurityManager(private val encryptionService: EncryptionService, private
}
/**
* Handle Noise handshake packet
* Handle Noise handshake packet - SIMPLIFIED iOS-compatible version
* Single handshake type with automatic response handling
*/
suspend fun handleNoiseHandshake(routed: RoutedPacket, step: Int): Boolean {
suspend fun handleNoiseHandshake(routed: RoutedPacket): Boolean {
val packet = routed.packet
val peerID = routed.peerID ?: "unknown"
@@ -120,7 +121,7 @@ class SecurityManager(private val encryptionService: EncryptionService, private
Log.d(TAG, "Already processed handshake: $exchangeKey")
return false
}
Log.d(TAG, "Processing Noise handshake step $step from $peerID (${packet.payload.size} bytes)")
Log.d(TAG, "Processing Noise handshake from $peerID (${packet.payload.size} bytes)")
processedKeyExchanges.add(exchangeKey)
try {
@@ -128,7 +129,7 @@ class SecurityManager(private val encryptionService: EncryptionService, private
val response = encryptionService.processHandshakeMessage(packet.payload, peerID)
if (response != null) {
Log.d(TAG, "Successfully processed Noise handshake step $step from $peerID, sending response")
Log.d(TAG, "Successfully processed Noise handshake from $peerID, sending response")
// Send handshake response through delegate
delegate?.sendHandshakeResponse(peerID, response)
}
@@ -212,7 +213,7 @@ class SecurityManager(private val encryptionService: EncryptionService, private
*/
private fun generateMessageID(packet: BitchatPacket, peerID: String): String {
return when (MessageType.fromValue(packet.type)) {
MessageType.FRAGMENT_START, MessageType.FRAGMENT_CONTINUE, MessageType.FRAGMENT_END -> {
MessageType.FRAGMENT -> {
// For fragments, include the payload hash to distinguish different fragments
"${packet.timestamp}-$peerID-${packet.type}-${packet.payload.contentHashCode()}"
}