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Convert CipherStatePair from Java to Kotlin

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yet 2026-05-15 17:37:47 +04:00
parent 8b3fe53c99
commit fbb1342439
1 changed files with 37 additions and 75 deletions
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112
app/src/main/java/com/bitchat/android/noise/southernstorm/protocol/CipherStatePair.kt
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@ -19,88 +19,50 @@
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package com.bitchat.android.noise.southernstorm.protocol;
package com.bitchat.android.noise.southernstorm.protocol
/**
* Class that contains a pair of CipherState objects.
*
*
* CipherState pairs typically arise when HandshakeState.split() is called.
*
* @param sender The CipherState to use to send packets to the remote party.
* @param receiver The CipherState to use to receive packets from the remote party.
*/
public final class CipherStatePair implements Destroyable {
class CipherStatePair(
var sender: CipherState?,
var receiver: CipherState?,
) : Destroyable {
private CipherState send;
private CipherState recv;
/**
* Destroys the receiving CipherState and retains only the sending CipherState.
*
* This function is intended for use with one-way handshake patterns.
*/
fun senderOnly() {
receiver?.destroy()
receiver = null
}
/**
* Constructs a pair of CipherState objects.
*
* @param sender The CipherState to use to send packets to the remote party.
* @param receiver The CipherState to use to receive packets from the remote party.
*/
public CipherStatePair(CipherState sender, CipherState receiver)
{
send = sender;
recv = receiver;
}
/**
* Destroys the sending CipherState and retains only the receiving CipherState.
*
* This function is intended for use with one-way handshake patterns.
*/
fun receiverOnly() {
sender?.destroy()
sender = null
}
/**
* Gets the CipherState to use to send packets to the remote party.
*
* @return The sending CipherState.
*/
public CipherState getSender() {
return send;
}
/**
* Gets the CipherState to use to receive packets from the remote party.
*
* @return The receiving CipherState.
*/
public CipherState getReceiver() {
return recv;
}
/**
* Swaps the sender and receiver.
*/
fun swap() {
sender = receiver.also { receiver = sender }
}
/**
* Destroys the receiving CipherState and retains only the sending CipherState.
*
* This function is intended for use with one-way handshake patterns.
*/
public void senderOnly()
{
if (recv != null) {
recv.destroy();
recv = null;
}
}
/**
* Destroys the sending CipherState and retains only the receiving CipherState.
*
* This function is intended for use with one-way handshake patterns.
*/
public void receiverOnly()
{
if (send != null) {
send.destroy();
send = null;
}
}
/**
* Swaps the sender and receiver.
*/
public void swap()
{
CipherState temp = send;
send = recv;
recv = temp;
}
@Override
public void destroy() {
senderOnly();
receiverOnly();
}
override fun destroy() {
senderOnly()
receiverOnly()
}
}