diff options
Diffstat (limited to 'tunnel/src/main/java/com')
11 files changed, 195 insertions, 184 deletions
diff --git a/tunnel/src/main/java/com/wireguard/android/backend/BackendException.java b/tunnel/src/main/java/com/wireguard/android/backend/BackendException.java index 0f60701b..55fdb602 100644 --- a/tunnel/src/main/java/com/wireguard/android/backend/BackendException.java +++ b/tunnel/src/main/java/com/wireguard/android/backend/BackendException.java @@ -9,6 +9,21 @@ import com.wireguard.util.NonNullForAll; @NonNullForAll public final class BackendException extends Exception { + private final Object[] format; + private final Reason reason; + public BackendException(final Reason reason, final Object... format) { + this.reason = reason; + this.format = format; + } + + public Object[] getFormat() { + return format; + } + + public Reason getReason() { + return reason; + } + public enum Reason { UNKNOWN_KERNEL_MODULE_NAME, WG_QUICK_CONFIG_ERROR_CODE, @@ -18,16 +33,4 @@ public final class BackendException extends Exception { TUN_CREATION_ERROR, GO_ACTIVATION_ERROR_CODE } - private final Reason reason; - private final Object[] format; - public BackendException(final Reason reason, final Object ...format) { - this.reason = reason; - this.format = format; - } - public Reason getReason() { - return reason; - } - public Object[] getFormat() { - return format; - } } diff --git a/tunnel/src/main/java/com/wireguard/android/backend/GoBackend.java b/tunnel/src/main/java/com/wireguard/android/backend/GoBackend.java index 54dc913a..70cdd844 100644 --- a/tunnel/src/main/java/com/wireguard/android/backend/GoBackend.java +++ b/tunnel/src/main/java/com/wireguard/android/backend/GoBackend.java @@ -34,25 +34,21 @@ import java9.util.concurrent.CompletableFuture; @NonNullForAll public final class GoBackend implements Backend { private static final String TAG = "WireGuard/" + GoBackend.class.getSimpleName(); - private static CompletableFuture<VpnService> vpnService = new CompletableFuture<>(); - public interface AlwaysOnCallback { - void alwaysOnTriggered(); - } @Nullable private static AlwaysOnCallback alwaysOnCallback; - public static void setAlwaysOnCallback(AlwaysOnCallback cb) { - alwaysOnCallback = cb; - } - + private static CompletableFuture<VpnService> vpnService = new CompletableFuture<>(); private final Context context; - @Nullable private Tunnel currentTunnel; @Nullable private Config currentConfig; + @Nullable private Tunnel currentTunnel; private int currentTunnelHandle = -1; - public GoBackend(final Context context) { SharedLibraryLoader.loadSharedLibrary(context, "wg-go"); this.context = context; } + public static void setAlwaysOnCallback(AlwaysOnCallback cb) { + alwaysOnCallback = cb; + } + private static native String wgGetConfig(int handle); private static native int wgGetSocketV4(int handle); @@ -143,7 +139,7 @@ public final class GoBackend implements Backend { setStateInternal(currentTunnel, null, State.DOWN); try { setStateInternal(tunnel, config, state); - } catch(final Exception e) { + } catch (final Exception e) { if (originalTunnel != null) setStateInternal(originalTunnel, originalConfig, State.UP); throw e; @@ -209,7 +205,7 @@ public final class GoBackend implements Backend { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) builder.setMetered(false); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) - service.setUnderlyingNetworks(null); + service.setUnderlyingNetworks(null); builder.setBlocking(true); try (final ParcelFileDescriptor tun = builder.establish()) { @@ -246,13 +242,13 @@ public final class GoBackend implements Backend { context.startService(new Intent(context, VpnService.class)); } + public interface AlwaysOnCallback { + void alwaysOnTriggered(); + } + public static class VpnService extends android.net.VpnService { @Nullable private GoBackend owner; - public void setOwner(final GoBackend owner) { - this.owner = owner; - } - public Builder getBuilder() { return new Builder(); } @@ -290,5 +286,9 @@ public final class GoBackend implements Backend { } return super.onStartCommand(intent, flags, startId); } + + public void setOwner(final GoBackend owner) { + this.owner = owner; + } } } diff --git a/tunnel/src/main/java/com/wireguard/android/backend/Statistics.java b/tunnel/src/main/java/com/wireguard/android/backend/Statistics.java index 54bbe912..b4e01e76 100644 --- a/tunnel/src/main/java/com/wireguard/android/backend/Statistics.java +++ b/tunnel/src/main/java/com/wireguard/android/backend/Statistics.java @@ -16,10 +16,11 @@ import java.util.Map; @NonNullForAll public class Statistics { - private long lastTouched = SystemClock.elapsedRealtime(); private final Map<Key, Pair<Long, Long>> peerBytes = new HashMap<>(); + private long lastTouched = SystemClock.elapsedRealtime(); - Statistics() { } + Statistics() { + } void add(final Key key, final long rx, final long tx) { peerBytes.put(key, Pair.create(rx, tx)); @@ -30,10 +31,6 @@ public class Statistics { return SystemClock.elapsedRealtime() - lastTouched > 900; } - public Key[] peers() { - return peerBytes.keySet().toArray(new Key[0]); - } - public long peerRx(final Key peer) { if (!peerBytes.containsKey(peer)) return 0; @@ -46,6 +43,10 @@ public class Statistics { return peerBytes.get(peer).second; } + public Key[] peers() { + return peerBytes.keySet().toArray(new Key[0]); + } + public long totalRx() { long rx = 0; for (final Pair<Long, Long> val : peerBytes.values()) { diff --git a/tunnel/src/main/java/com/wireguard/android/backend/Tunnel.java b/tunnel/src/main/java/com/wireguard/android/backend/Tunnel.java index fccda84f..b9508b1a 100644 --- a/tunnel/src/main/java/com/wireguard/android/backend/Tunnel.java +++ b/tunnel/src/main/java/com/wireguard/android/backend/Tunnel.java @@ -15,16 +15,6 @@ import java.util.regex.Pattern; @NonNullForAll public interface Tunnel { - enum State { - DOWN, - TOGGLE, - UP; - - public static State of(final boolean running) { - return running ? UP : DOWN; - } - } - int NAME_MAX_LENGTH = 15; Pattern NAME_PATTERN = Pattern.compile("[a-zA-Z0-9_=+.-]{1,15}"); @@ -46,4 +36,14 @@ public interface Tunnel { * @return The new state of the tunnel. */ void onStateChange(State newState); + + enum State { + DOWN, + TOGGLE, + UP; + + public static State of(final boolean running) { + return running ? UP : DOWN; + } + } } diff --git a/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java b/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java index d57a92f9..e731a92c 100644 --- a/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java +++ b/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java @@ -42,11 +42,10 @@ import java9.util.stream.Stream; @NonNullForAll public final class WgQuickBackend implements Backend { private static final String TAG = "WireGuard/" + WgQuickBackend.class.getSimpleName(); - - private final RootShell rootShell; - private final ToolsInstaller toolsInstaller; private final File localTemporaryDir; + private final RootShell rootShell; private final Map<Tunnel, Config> runningConfigs = new HashMap<>(); + private final ToolsInstaller toolsInstaller; private boolean multipleTunnels; public WgQuickBackend(final Context context, final RootShell rootShell, final ToolsInstaller toolsInstaller) { @@ -55,10 +54,6 @@ public final class WgQuickBackend implements Backend { this.toolsInstaller = toolsInstaller; } - public void setMultipleTunnels(boolean on) { - multipleTunnels = on; - } - @Override public Set<String> getRunningTunnelNames() { final List<String> output = new ArrayList<>(); @@ -110,6 +105,10 @@ public final class WgQuickBackend implements Backend { return output.get(0); } + public void setMultipleTunnels(boolean on) { + multipleTunnels = on; + } + @Override public State setState(final Tunnel tunnel, State state, @Nullable final Config config) throws Exception { final State originalState = getState(tunnel); @@ -135,7 +134,8 @@ public final class WgQuickBackend implements Backend { for (final Pair<Tunnel, Config> entry : rewind) { setStateInternal(entry.first, entry.second, State.UP); } - } catch (final Exception ignored) { } + } catch (final Exception ignored) { + } throw e; } } @@ -153,7 +153,8 @@ public final class WgQuickBackend implements Backend { setStateInternal(entry.getKey(), entry.getValue(), State.UP); } } - } catch (final Exception ignored) { } + } catch (final Exception ignored) { + } throw e; } } else if (state == State.DOWN) { diff --git a/tunnel/src/main/java/com/wireguard/android/util/ModuleLoader.java b/tunnel/src/main/java/com/wireguard/android/util/ModuleLoader.java index 519ad5cf..82e6a096 100644 --- a/tunnel/src/main/java/com/wireguard/android/util/ModuleLoader.java +++ b/tunnel/src/main/java/com/wireguard/android/util/ModuleLoader.java @@ -39,15 +39,14 @@ import androidx.annotation.Nullable; @NonNullForAll public class ModuleLoader { - private static final String MODULE_PUBLIC_KEY_BASE64 = "RWRmHuT9PSqtwfsLtEx+QS06BJtLgFYteL9WCNjH7yuyu5Y1DieSN7If"; private static final String MODULE_LIST_URL = "https://download.wireguard.com/android-module/modules.txt.sig"; - private static final String MODULE_URL = "https://download.wireguard.com/android-module/%s"; private static final String MODULE_NAME = "wireguard-%s.ko"; - - private final RootShell rootShell; - private final String userAgent; + private static final String MODULE_PUBLIC_KEY_BASE64 = "RWRmHuT9PSqtwfsLtEx+QS06BJtLgFYteL9WCNjH7yuyu5Y1DieSN7If"; + private static final String MODULE_URL = "https://download.wireguard.com/android-module/%s"; private final File moduleDir; + private final RootShell rootShell; private final File tmpDir; + private final String userAgent; public ModuleLoader(final Context context, final RootShell rootShell, final String userAgent) { moduleDir = new File(context.getCacheDir(), "kmod"); @@ -56,84 +55,17 @@ public class ModuleLoader { this.userAgent = userAgent; } - public boolean moduleMightExist() { - return moduleDir.exists() && moduleDir.isDirectory(); - } - - public void loadModule() throws IOException, RootShellException { - rootShell.run(null, String.format("insmod \"%s/wireguard-$(sha256sum /proc/version|cut -d ' ' -f 1).ko\"", moduleDir.getAbsolutePath())); - } - public static boolean isModuleLoaded() { return new File("/sys/module/wireguard").exists(); } - private static final class Sha256Digest { - private byte[] bytes; - private Sha256Digest(final String hex) { - if (hex.length() != 64) - throw new InvalidParameterException("SHA256 hashes must be 32 bytes long"); - bytes = new byte[32]; - for (int i = 0; i < 32; ++i) - bytes[i] = (byte)Integer.parseInt(hex.substring(i * 2, i * 2 + 2), 16); - } - } - - @Nullable - private Map<String, Sha256Digest> verifySignedHashes(final String signifyDigest) { - final byte[] publicKeyBytes = Base64.decode(MODULE_PUBLIC_KEY_BASE64, Base64.DEFAULT); - - if (publicKeyBytes == null || publicKeyBytes.length != 32 + 10 || publicKeyBytes[0] != 'E' || publicKeyBytes[1] != 'd') - return null; - - final String[] lines = signifyDigest.split("\n", 3); - if (lines.length != 3) - return null; - if (!lines[0].startsWith("untrusted comment: ")) - return null; - - final byte[] signatureBytes = Base64.decode(lines[1], Base64.DEFAULT); - if (signatureBytes == null || signatureBytes.length != 64 + 10) - return null; - for (int i = 0; i < 10; ++i) { - if (signatureBytes[i] != publicKeyBytes[i]) - return null; - } - - try { - EdDSAParameterSpec parameterSpec = EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.ED_25519); - Signature signature = new EdDSAEngine(MessageDigest.getInstance(parameterSpec.getHashAlgorithm())); - byte[] rawPublicKeyBytes = new byte[32]; - System.arraycopy(publicKeyBytes, 10, rawPublicKeyBytes, 0, 32); - signature.initVerify(new EdDSAPublicKey(new EdDSAPublicKeySpec(rawPublicKeyBytes, parameterSpec))); - signature.update(lines[2].getBytes(StandardCharsets.UTF_8)); - if (!signature.verify(signatureBytes, 10, 64)) - return null; - } catch (final Exception ignored) { - return null; - } - - Map<String, Sha256Digest> hashes = new HashMap<>(); - for (final String line : lines[2].split("\n")) { - final String[] components = line.split(" ", 2); - if (components.length != 2) - return null; - try { - hashes.put(components[1], new Sha256Digest(components[0])); - } catch (final Exception ignored) { - return null; - } - } - return hashes; - } - public Integer download() throws IOException, RootShellException, NoSuchAlgorithmException { final List<String> output = new ArrayList<>(); rootShell.run(output, "sha256sum /proc/version|cut -d ' ' -f 1"); if (output.size() != 1 || output.get(0).length() != 64) throw new InvalidParameterException("Invalid sha256 of /proc/version"); final String moduleName = String.format(MODULE_NAME, output.get(0)); - HttpURLConnection connection = (HttpURLConnection)new URL(MODULE_LIST_URL).openConnection(); + HttpURLConnection connection = (HttpURLConnection) new URL(MODULE_LIST_URL).openConnection(); connection.setRequestProperty("User-Agent", userAgent); connection.connect(); if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) @@ -150,7 +82,7 @@ public class ModuleLoader { throw new InvalidParameterException("The signature did not verify or invalid hash list format"); if (!modules.containsKey(moduleName)) return OsConstants.ENOENT; - connection = (HttpURLConnection)new URL(String.format(MODULE_URL, moduleName)).openConnection(); + connection = (HttpURLConnection) new URL(String.format(MODULE_URL, moduleName)).openConnection(); connection.setRequestProperty("User-Agent", userAgent); connection.connect(); if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) @@ -185,4 +117,72 @@ public class ModuleLoader { } return OsConstants.EXIT_SUCCESS; } + + public void loadModule() throws IOException, RootShellException { + rootShell.run(null, String.format("insmod \"%s/wireguard-$(sha256sum /proc/version|cut -d ' ' -f 1).ko\"", moduleDir.getAbsolutePath())); + } + + public boolean moduleMightExist() { + return moduleDir.exists() && moduleDir.isDirectory(); + } + + @Nullable + private Map<String, Sha256Digest> verifySignedHashes(final String signifyDigest) { + final byte[] publicKeyBytes = Base64.decode(MODULE_PUBLIC_KEY_BASE64, Base64.DEFAULT); + + if (publicKeyBytes == null || publicKeyBytes.length != 32 + 10 || publicKeyBytes[0] != 'E' || publicKeyBytes[1] != 'd') + return null; + + final String[] lines = signifyDigest.split("\n", 3); + if (lines.length != 3) + return null; + if (!lines[0].startsWith("untrusted comment: ")) + return null; + + final byte[] signatureBytes = Base64.decode(lines[1], Base64.DEFAULT); + if (signatureBytes == null || signatureBytes.length != 64 + 10) + return null; + for (int i = 0; i < 10; ++i) { + if (signatureBytes[i] != publicKeyBytes[i]) + return null; + } + + try { + EdDSAParameterSpec parameterSpec = EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.ED_25519); + Signature signature = new EdDSAEngine(MessageDigest.getInstance(parameterSpec.getHashAlgorithm())); + byte[] rawPublicKeyBytes = new byte[32]; + System.arraycopy(publicKeyBytes, 10, rawPublicKeyBytes, 0, 32); + signature.initVerify(new EdDSAPublicKey(new EdDSAPublicKeySpec(rawPublicKeyBytes, parameterSpec))); + signature.update(lines[2].getBytes(StandardCharsets.UTF_8)); + if (!signature.verify(signatureBytes, 10, 64)) + return null; + } catch (final Exception ignored) { + return null; + } + + Map<String, Sha256Digest> hashes = new HashMap<>(); + for (final String line : lines[2].split("\n")) { + final String[] components = line.split(" ", 2); + if (components.length != 2) + return null; + try { + hashes.put(components[1], new Sha256Digest(components[0])); + } catch (final Exception ignored) { + return null; + } + } + return hashes; + } + + private static final class Sha256Digest { + private byte[] bytes; + + private Sha256Digest(final String hex) { + if (hex.length() != 64) + throw new InvalidParameterException("SHA256 hashes must be 32 bytes long"); + bytes = new byte[32]; + for (int i = 0; i < 32; ++i) + bytes[i] = (byte) Integer.parseInt(hex.substring(i * 2, i * 2 + 2), 16); + } + } } diff --git a/tunnel/src/main/java/com/wireguard/android/util/RootShell.java b/tunnel/src/main/java/com/wireguard/android/util/RootShell.java index 9f941815..160ba12f 100644 --- a/tunnel/src/main/java/com/wireguard/android/util/RootShell.java +++ b/tunnel/src/main/java/com/wireguard/android/util/RootShell.java @@ -187,28 +187,32 @@ public class RootShell { } public static class RootShellException extends Exception { - public enum Reason { - NO_ROOT_ACCESS, - SHELL_MARKER_COUNT_ERROR, - SHELL_EXIT_STATUS_READ_ERROR, - SHELL_START_ERROR, - CREATE_BIN_DIR_ERROR, - CREATE_TEMP_DIR_ERROR - } - private final Reason reason; private final Object[] format; - public RootShellException(final Reason reason, final Object ...format) { + private final Reason reason; + public RootShellException(final Reason reason, final Object... format) { this.reason = reason; this.format = format; } - public boolean isIORelated() { - return reason != Reason.NO_ROOT_ACCESS; + + public Object[] getFormat() { + return format; } + public Reason getReason() { return reason; } - public Object[] getFormat() { - return format; + + public boolean isIORelated() { + return reason != Reason.NO_ROOT_ACCESS; + } + + public enum Reason { + NO_ROOT_ACCESS, + SHELL_MARKER_COUNT_ERROR, + SHELL_EXIT_STATUS_READ_ERROR, + SHELL_START_ERROR, + CREATE_BIN_DIR_ERROR, + CREATE_TEMP_DIR_ERROR } } } diff --git a/tunnel/src/main/java/com/wireguard/android/util/ToolsInstaller.java b/tunnel/src/main/java/com/wireguard/android/util/ToolsInstaller.java index f12e755f..f3565c1e 100644 --- a/tunnel/src/main/java/com/wireguard/android/util/ToolsInstaller.java +++ b/tunnel/src/main/java/com/wireguard/android/util/ToolsInstaller.java @@ -40,9 +40,9 @@ public final class ToolsInstaller { private static final String TAG = "WireGuard/" + ToolsInstaller.class.getSimpleName(); private final Context context; - private final RootShell rootShell; private final File localBinaryDir; private final Object lock = new Object(); + private final RootShell rootShell; @Nullable private Boolean areToolsAvailable; @Nullable private Boolean installAsMagiskModule; @@ -107,6 +107,29 @@ public final class ToolsInstaller { } } + public boolean extract() throws IOException { + localBinaryDir.mkdirs(); + final File files[] = new File[EXECUTABLES.length]; + final File tempFiles[] = new File[EXECUTABLES.length]; + boolean allExist = true; + for (int i = 0; i < files.length; ++i) { + files[i] = new File(localBinaryDir, EXECUTABLES[i]); + tempFiles[i] = new File(localBinaryDir, EXECUTABLES[i] + ".tmp"); + allExist &= files[i].exists(); + } + if (allExist) + return false; + for (int i = 0; i < files.length; ++i) { + if (!SharedLibraryLoader.extractLibrary(context, EXECUTABLES[i], tempFiles[i])) + throw new FileNotFoundException("Unable to find " + EXECUTABLES[i]); + if (!tempFiles[i].setExecutable(true, false)) + throw new IOException("Unable to mark " + tempFiles[i].getAbsolutePath() + " as executable"); + if (!tempFiles[i].renameTo(files[i])) + throw new IOException("Unable to rename " + tempFiles[i].getAbsolutePath() + " to " + files[i].getAbsolutePath()); + } + return true; + } + public int install() throws RootShellException, IOException { if (!context.getPackageName().startsWith("com.wireguard.")) throw new SecurityException("The tools may only be installed system-wide from the main WireGuard app."); @@ -161,29 +184,6 @@ public final class ToolsInstaller { } } - public boolean extract() throws IOException { - localBinaryDir.mkdirs(); - final File files[] = new File[EXECUTABLES.length]; - final File tempFiles[] = new File[EXECUTABLES.length]; - boolean allExist = true; - for (int i = 0; i < files.length; ++i) { - files[i] = new File(localBinaryDir, EXECUTABLES[i]); - tempFiles[i] = new File(localBinaryDir, EXECUTABLES[i] + ".tmp"); - allExist &= files[i].exists(); - } - if (allExist) - return false; - for (int i = 0; i < files.length; ++i) { - if (!SharedLibraryLoader.extractLibrary(context, EXECUTABLES[i], tempFiles[i])) - throw new FileNotFoundException("Unable to find " + EXECUTABLES[i]); - if (!tempFiles[i].setExecutable(true, false)) - throw new IOException("Unable to mark " + tempFiles[i].getAbsolutePath() + " as executable"); - if (!tempFiles[i].renameTo(files[i])) - throw new IOException("Unable to rename " + tempFiles[i].getAbsolutePath() + " to " + files[i].getAbsolutePath()); - } - return true; - } - private boolean willInstallAsMagiskModule() { synchronized (lock) { if (installAsMagiskModule == null) { diff --git a/tunnel/src/main/java/com/wireguard/config/InetAddresses.java b/tunnel/src/main/java/com/wireguard/config/InetAddresses.java index 9b0ab965..573c522d 100644 --- a/tunnel/src/main/java/com/wireguard/config/InetAddresses.java +++ b/tunnel/src/main/java/com/wireguard/config/InetAddresses.java @@ -35,7 +35,8 @@ public final class InetAddresses { PARSER_METHOD = m; } - private InetAddresses() { } + private InetAddresses() { + } /** * Parses a numeric IPv4 or IPv6 address without performing any DNS lookups. diff --git a/tunnel/src/main/java/com/wireguard/config/ParseException.java b/tunnel/src/main/java/com/wireguard/config/ParseException.java index f4da7ccd..289f1120 100644 --- a/tunnel/src/main/java/com/wireguard/config/ParseException.java +++ b/tunnel/src/main/java/com/wireguard/config/ParseException.java @@ -10,6 +10,7 @@ import com.wireguard.util.NonNullForAll; import androidx.annotation.Nullable; /** + * */ @NonNullForAll public class ParseException extends Exception { diff --git a/tunnel/src/main/java/com/wireguard/crypto/Key.java b/tunnel/src/main/java/com/wireguard/crypto/Key.java index fe03fa2d..c11688d5 100644 --- a/tunnel/src/main/java/com/wireguard/crypto/Key.java +++ b/tunnel/src/main/java/com/wireguard/crypto/Key.java @@ -204,6 +204,16 @@ public final class Key { return new Key(publicKey); } + @Override + public boolean equals(final Object obj) { + if (obj == this) + return true; + if (obj == null || obj.getClass() != getClass()) + return false; + final Key other = (Key) obj; + return MessageDigest.isEqual(key, other.key); + } + /** * Returns the key as an array of bytes. * @@ -214,6 +224,14 @@ public final class Key { return Arrays.copyOf(key, key.length); } + @Override + public int hashCode() { + int ret = 0; + for (int i = 0; i < key.length / 4; ++i) + ret ^= (key[i * 4 + 0] >> 0) + (key[i * 4 + 1] >> 8) + (key[i * 4 + 2] >> 16) + (key[i * 4 + 3] >> 24); + return ret; + } + /** * Encodes the key to base64. * @@ -250,24 +268,6 @@ public final class Key { return new String(output); } - @Override - public int hashCode() { - int ret = 0; - for (int i = 0; i < key.length / 4; ++i) - ret ^= (key[i * 4 + 0] >> 0) + (key[i * 4 + 1] >> 8) + (key[i * 4 + 2] >> 16) + (key[i * 4 + 3] >> 24); - return ret; - } - - @Override - public boolean equals(final Object obj) { - if (obj == this) - return true; - if (obj == null || obj.getClass() != getClass()) - return false; - final Key other = (Key) obj; - return MessageDigest.isEqual(key, other.key); - } - /** * The supported formats for encoding a WireGuard key. */ |