diff options
Diffstat (limited to 'app/src/main/java/com/wireguard/crypto/KeyEncoding.java')
| -rw-r--r-- | app/src/main/java/com/wireguard/crypto/KeyEncoding.java | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java index f83fd0b1..99ff0ee9 100644 --- a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java +++ b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java @@ -6,12 +6,17 @@ package com.wireguard.crypto; * This is a specialized constant-time base64 implementation that resists side-channel attacks. */ -public class KeyEncoding { +@SuppressWarnings("MagicNumber") +public final class KeyEncoding { public static final int KEY_LENGTH = 32; public static final int KEY_LENGTH_BASE64 = 44; private static final String KEY_LENGTH_BASE64_EXCEPTION_MESSAGE = "WireGuard base64 keys must be 44 characters encoding 32 bytes"; + private KeyEncoding() { + // Prevent instantiation. + } + private static int decodeBase64(final char[] src, final int src_offset) { int val = 0; for (int i = 0; i < 4; ++i) { |