3 files changed, 11 insertions, 10 deletions
diff --git a/app/src/main/java/com/wireguard/crypto/Curve25519.java b/app/src/main/java/com/wireguard/crypto/Curve25519.java
index 17f1b3d7..fdc89635 100644
--- a/app/src/main/java/com/wireguard/crypto/Curve25519.java
+++ b/app/src/main/java/com/wireguard/crypto/Curve25519.java
@@ -38,6 +38,7 @@ import java.util.Arrays;
  *
  * References: http://cr.yp.to/ecdh.html, RFC 7748
  */
+@SuppressWarnings("ALL")
 public final class Curve25519 {
 
 	// Numbers modulo 2^255 - 19 are broken up into ten 26-bit words.
diff --git a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java
index 070a1a99..f83fd0b1 100644
--- a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java
+++ b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java
@@ -28,10 +28,10 @@ public class KeyEncoding {
     }
 
     private static void encodeBase64(final byte[] src, final int src_offset,
-                                     char[] dest, final int dest_offset) {
+                                     final char[] dest, final int dest_offset) {
         final byte[] input = {
-                (byte) ((src[0 + src_offset] >>> 2) & 63),
-                (byte) ((src[0 + src_offset] << 4 | ((src[1 + src_offset] & 0xff) >>> 4)) & 63),
+                (byte) ((src[src_offset] >>> 2) & 63),
+                (byte) ((src[src_offset] << 4 | ((src[1 + src_offset] & 0xff) >>> 4)) & 63),
                 (byte) ((src[1 + src_offset] << 2 | ((src[2 + src_offset] & 0xff) >>> 6)) & 63),
                 (byte) ((src[2 + src_offset]) & 63),
         };
@@ -54,12 +54,12 @@ public class KeyEncoding {
             final int val = decodeBase64(input, i * 4);
             if (val < 0)
                 throw new IllegalArgumentException(KEY_LENGTH_BASE64_EXCEPTION_MESSAGE);
-            key[i * 3 + 0] = (byte) ((val >>> 16) & 0xff);
+            key[i * 3] = (byte) ((val >>> 16) & 0xff);
             key[i * 3 + 1] = (byte) ((val >>> 8) & 0xff);
             key[i * 3 + 2] = (byte) (val & 0xff);
         }
         final char[] endSegment = {
-                input[i * 4 + 0],
+                input[i * 4],
                 input[i * 4 + 1],
                 input[i * 4 + 2],
                 'A',
@@ -67,7 +67,7 @@ public class KeyEncoding {
         final int val = decodeBase64(endSegment, 0);
         if (val < 0 || (val & 0xff) != 0)
             throw new IllegalArgumentException(KEY_LENGTH_BASE64_EXCEPTION_MESSAGE);
-        key[i * 3 + 0] = (byte) ((val >>> 16) & 0xff);
+        key[i * 3] = (byte) ((val >>> 16) & 0xff);
         key[i * 3 + 1] = (byte) ((val >>> 8) & 0xff);
         return key;
     }
@@ -80,7 +80,7 @@ public class KeyEncoding {
         for (i = 0; i < KEY_LENGTH / 3; ++i)
             encodeBase64(key, i * 3, output, i * 4);
         final byte[] endSegment = {
-                key[i * 3 + 0],
+                key[i * 3],
                 key[i * 3 + 1],
                 0,
         };
diff --git a/app/src/main/java/com/wireguard/crypto/Keypair.java b/app/src/main/java/com/wireguard/crypto/Keypair.java
index bd6fd90f..e0d35d64 100644
--- a/app/src/main/java/com/wireguard/crypto/Keypair.java
+++ b/app/src/main/java/com/wireguard/crypto/Keypair.java
@@ -17,7 +17,7 @@ public class Keypair {
         return privateKey;
     }
 
-    private static byte[] generatePublicKey(byte[] privateKey) {
+    private static byte[] generatePublicKey(final byte[] privateKey) {
         final byte[] publicKey = new byte[KeyEncoding.KEY_LENGTH];
         Curve25519.eval(publicKey, 0, privateKey, null);
         return publicKey;
@@ -30,12 +30,12 @@ public class Keypair {
         this(generatePrivateKey());
     }
 
-    private Keypair(byte[] privateKey) {
+    private Keypair(final byte[] privateKey) {
         this.privateKey = privateKey;
         publicKey = generatePublicKey(privateKey);
     }
 
-    public Keypair(String privateKey) {
+    public Keypair(final String privateKey) {
         this(KeyEncoding.keyFromBase64(privateKey));
     }