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feat: use cached keypair

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jubb 2021-02-11 18:58:38 +11:00
parent 6a8e0ae195
commit b6951f09b4
1 changed files with 4 additions and 1 deletions
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5
app/src/main/java/org/thoughtcrime/securesms/loki/protocol/ClosedGroupsProtocolV2.kt
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@ -38,11 +38,14 @@ import org.session.libsession.utilities.TextSecurePreferences
import java.io.IOException import java.io.IOException
import java.util.* import java.util.*
import java.util.concurrent.atomic.AtomicReference
import kotlin.jvm.Throws import kotlin.jvm.Throws
object ClosedGroupsProtocolV2 { object ClosedGroupsProtocolV2 {
const val groupSizeLimit = 100 const val groupSizeLimit = 100
private val pendingKeyPair = AtomicReference<ECKeyPair?>(null)
sealed class Error(val description: String) : Exception() { sealed class Error(val description: String) : Exception() {
object NoThread : Error("Couldn't find a thread associated with the given group public key") object NoThread : Error("Couldn't find a thread associated with the given group public key")
object NoKeyPair : Error("Couldn't find an encryption key pair associated with the given group public key.") object NoKeyPair : Error("Couldn't find an encryption key pair associated with the given group public key.")
@ -364,7 +367,7 @@ object ClosedGroupsProtocolV2 {
return return
} }
// Generate the new encryption key pair // Generate the new encryption key pair
val newKeyPair = Curve.generateKeyPair() val newKeyPair = pendingKeyPair.getAndSet(Curve.generateKeyPair()) ?: Curve.generateKeyPair()
// Distribute it // Distribute it
val proto = SignalServiceProtos.KeyPair.newBuilder() val proto = SignalServiceProtos.KeyPair.newBuilder()
proto.publicKey = ByteString.copyFrom(newKeyPair.publicKey.serialize().removing05PrefixIfNeeded()) proto.publicKey = ByteString.copyFrom(newKeyPair.publicKey.serialize().removing05PrefixIfNeeded())