Extract lib module

[signal-cli] / src / main / java / org / asamk / signal / manager / util / KeyUtils.java

diff --git a/src/main/java/org/asamk/signal/manager/util/KeyUtils.java b/src/main/java/org/asamk/signal/manager/util/KeyUtils.java
deleted file mode 100644 (file)
index 3285e65..0000000
--- a/src/main/java/org/asamk/signal/manager/util/KeyUtils.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package org.asamk.signal.manager.util;
-
-import org.asamk.signal.util.RandomUtils;
-import org.signal.zkgroup.InvalidInputException;
-import org.signal.zkgroup.profiles.ProfileKey;
-import org.whispersystems.libsignal.IdentityKey;
-import org.whispersystems.libsignal.IdentityKeyPair;
-import org.whispersystems.libsignal.InvalidKeyException;
-import org.whispersystems.libsignal.ecc.Curve;
-import org.whispersystems.libsignal.ecc.ECKeyPair;
-import org.whispersystems.libsignal.ecc.ECPrivateKey;
-import org.whispersystems.libsignal.state.PreKeyRecord;
-import org.whispersystems.libsignal.state.SignedPreKeyRecord;
-import org.whispersystems.libsignal.util.Medium;
-import org.whispersystems.signalservice.api.kbs.MasterKey;
-
-import java.util.ArrayList;
-import java.util.Base64;
-import java.util.List;
-
-public class KeyUtils {
-
-    private KeyUtils() {
-    }
-
-    public static IdentityKeyPair generateIdentityKeyPair() {
-        ECKeyPair djbKeyPair = Curve.generateKeyPair();
-        IdentityKey djbIdentityKey = new IdentityKey(djbKeyPair.getPublicKey());
-        ECPrivateKey djbPrivateKey = djbKeyPair.getPrivateKey();
-
-        return new IdentityKeyPair(djbIdentityKey, djbPrivateKey);
-    }
-
-    public static List<PreKeyRecord> generatePreKeyRecords(final int offset, final int batchSize) {
-        List<PreKeyRecord> records = new ArrayList<>(batchSize);
-        for (int i = 0; i < batchSize; i++) {
-            int preKeyId = (offset + i) % Medium.MAX_VALUE;
-            ECKeyPair keyPair = Curve.generateKeyPair();
-            PreKeyRecord record = new PreKeyRecord(preKeyId, keyPair);
-
-            records.add(record);
-        }
-        return records;
-    }
-
-    public static SignedPreKeyRecord generateSignedPreKeyRecord(
-            final IdentityKeyPair identityKeyPair, final int signedPreKeyId
-    ) {
-        ECKeyPair keyPair = Curve.generateKeyPair();
-        byte[] signature;
-        try {
-            signature = Curve.calculateSignature(identityKeyPair.getPrivateKey(), keyPair.getPublicKey().serialize());
-        } catch (InvalidKeyException e) {
-            throw new AssertionError(e);
-        }
-        return new SignedPreKeyRecord(signedPreKeyId, System.currentTimeMillis(), keyPair, signature);
-    }
-
-    public static String createSignalingKey() {
-        return getSecret(52);
-    }
-
-    public static ProfileKey createProfileKey() {
-        try {
-            return new ProfileKey(getSecretBytes(32));
-        } catch (InvalidInputException e) {
-            throw new AssertionError("Profile key is guaranteed to be 32 bytes here");
-        }
-    }
-
-    public static String createPassword() {
-        return getSecret(18);
-    }
-
-    public static byte[] createStickerUploadKey() {
-        return getSecretBytes(32);
-    }
-
-    public static MasterKey createMasterKey() {
-        return MasterKey.createNew(RandomUtils.getSecureRandom());
-    }
-
-    private static String getSecret(int size) {
-        byte[] secret = getSecretBytes(size);
-        return Base64.getEncoder().encodeToString(secret);
-    }
-
-    public static byte[] getSecretBytes(int size) {
-        byte[] secret = new byte[size];
-        RandomUtils.getSecureRandom().nextBytes(secret);
-        return secret;
-    }
-}