blob: bb1ba952ab8d90ac44c890fcdb626ad0d6364aac (
plain)
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
package org.whispersystems.libaxolotl.groups.state;
import org.whispersystems.libaxolotl.InvalidKeyIdException;
import org.whispersystems.libaxolotl.ecc.ECKeyPair;
import org.whispersystems.libaxolotl.ecc.ECPublicKey;
import org.whispersystems.libaxolotl.state.StorageProtos;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import static org.whispersystems.libaxolotl.state.StorageProtos.SenderKeyRecordStructure;
public class SenderKeyRecord {
private List<SenderKeyState> senderKeyStates = new LinkedList<>();
public SenderKeyRecord() {}
public SenderKeyRecord(byte[] serialized) throws IOException {
SenderKeyRecordStructure senderKeyRecordStructure = SenderKeyRecordStructure.parseFrom(serialized);
for (StorageProtos.SenderKeyStateStructure structure : senderKeyRecordStructure.getSenderKeyStatesList()) {
this.senderKeyStates.add(new SenderKeyState(structure));
}
}
public SenderKeyState getSenderKeyState() throws InvalidKeyIdException {
if (!senderKeyStates.isEmpty()) {
return senderKeyStates.get(0);
} else {
throw new InvalidKeyIdException("No key state in record!");
}
}
public SenderKeyState getSenderKeyState(int keyId) throws InvalidKeyIdException {
for (SenderKeyState state : senderKeyStates) {
if (state.getKeyId() == keyId) {
return state;
}
}
throw new InvalidKeyIdException("No keys for: " + keyId);
}
public void addSenderKeyState(int id, int iteration, byte[] chainKey, ECPublicKey signatureKey) {
senderKeyStates.add(new SenderKeyState(id, iteration, chainKey, signatureKey));
}
public void setSenderKeyState(int id, int iteration, byte[] chainKey, ECKeyPair signatureKey) {
senderKeyStates.clear();
senderKeyStates.add(new SenderKeyState(id, iteration, chainKey, signatureKey));
}
public byte[] serialize() {
SenderKeyRecordStructure.Builder recordStructure = SenderKeyRecordStructure.newBuilder();
for (SenderKeyState senderKeyState : senderKeyStates) {
recordStructure.addSenderKeyStates(senderKeyState.getStructure());
}
return recordStructure.build().toByteArray();
}
}
|