Init

2026-09-13 12:15:36 -07:00
commit e473d00f4f
104 changed files with 16080 additions and 0 deletions
@@ -0,0 +1,52 @@
+package android.util;
+
+import java.nio.charset.StandardCharsets;
+
+/**
+ * JVM test implementation of android.util.Base64 using java.util.Base64.
+ * Enables running Android SRP cryptographic tests on standard desktop JVM.
+ */
+public class Base64 {
+    public static final int DEFAULT = 0;
+    public static final int NO_PADDING = 1;
+    public static final int NO_WRAP = 2;
+    public static final int CRLF = 4;
+    public static final int URL_SAFE = 8;
+    public static final int NO_CLOSE = 16;
+
+    public static String encodeToString(byte[] input, int flags) {
+        return encodeToString(input, 0, input.length, flags);
+    }
+
+    public static String encodeToString(byte[] input, int offset, int len, int flags) {
+        byte[] slice;
+        if (offset == 0 && len == input.length) {
+            slice = input;
+        } else {
+            slice = new byte[len];
+            System.arraycopy(input, offset, slice, 0, len);
+        }
+        java.util.Base64.Encoder encoder = ((flags & URL_SAFE) != 0)
+            ? java.util.Base64.getUrlEncoder()
+            : java.util.Base64.getEncoder();
+        if ((flags & NO_PADDING) != 0) {
+            encoder = encoder.withoutPadding();
+        }
+        return encoder.encodeToString(slice);
+    }
+
+    public static byte[] encode(byte[] input, int flags) {
+        return encodeToString(input, flags).getBytes(StandardCharsets.UTF_8);
+    }
+
+    public static byte[] decode(String str, int flags) {
+        java.util.Base64.Decoder decoder = ((flags & URL_SAFE) != 0)
+            ? java.util.Base64.getUrlDecoder()
+            : java.util.Base64.getDecoder();
+        return decoder.decode(str);
+    }
+
+    public static byte[] decode(byte[] input, int flags) {
+        return decode(new String(input, StandardCharsets.UTF_8), flags);
+    }
+}