public NorvosPreKeyStore() {
lastResortKey = KeyHelper.generateLastResortPreKey();
oneTimePreKeys = new CircularBuffer<PreKeyRecord>(Medium.MAX_VALUE);
Random r = new Random();
List<PreKeyRecord> list = KeyHelper.generatePreKeys(r.nextInt(Medium.MAX_VALUE), 100);
for (PreKeyRecord key : list) {
oneTimePreKeys.add(key.getId(), key);
}
}
public synchronized byte[] serialize() {
Builder builder = PreKeyStoreStructure.newBuilder();
for (PreKeyRecord entry : oneTimePreKeys.getAll()) {
PreKeyStructure struct =
PreKeyStructure.newBuilder()
.setKeyId(entry.getId())
.setPreKeyRecord(ByteString.copyFrom(entry.serialize()))
.build();
builder.addOneTimePreKey(struct);
}
return builder.build().toByteArray();
}
@Override
public void storePreKey(int preKeyId, PreKeyRecord record) {
synchronized (FILE_LOCK) {
try {
storeSerializedRecord(getPreKeyFile(preKeyId), record.serialize());
} catch (IOException e) {
throw new AssertionError(e);
}
}
}
public void storeKey(final int id, final PreKeyRecord preKey) throws SQLException {
final String query = "MERGE INTO prekeystore VALUES (?, ?)";
try (PreparedStatement stmt = Database.ensureTableExists(this).prepareStatement(query)) {
stmt.setInt(1, id);
stmt.setBytes(2, preKey.serialize());
stmt.execute();
}
}
