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-rw-r--r--libraries/spongycastle/core/src/main/java/org/spongycastle/util/Arrays.java856
1 files changed, 0 insertions, 856 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/util/Arrays.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/util/Arrays.java
deleted file mode 100644
index 05bb3e12e..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/util/Arrays.java
+++ /dev/null
@@ -1,856 +0,0 @@
-package org.spongycastle.util;
-
-import java.math.BigInteger;
-
-/**
- * General array utilities.
- */
-public final class Arrays
-{
- private Arrays()
- {
- // static class, hide constructor
- }
-
- public static boolean areEqual(
- boolean[] a,
- boolean[] b)
- {
- if (a == b)
- {
- return true;
- }
-
- if (a == null || b == null)
- {
- return false;
- }
-
- if (a.length != b.length)
- {
- return false;
- }
-
- for (int i = 0; i != a.length; i++)
- {
- if (a[i] != b[i])
- {
- return false;
- }
- }
-
- return true;
- }
-
- public static boolean areEqual(
- char[] a,
- char[] b)
- {
- if (a == b)
- {
- return true;
- }
-
- if (a == null || b == null)
- {
- return false;
- }
-
- if (a.length != b.length)
- {
- return false;
- }
-
- for (int i = 0; i != a.length; i++)
- {
- if (a[i] != b[i])
- {
- return false;
- }
- }
-
- return true;
- }
-
- public static boolean areEqual(
- byte[] a,
- byte[] b)
- {
- if (a == b)
- {
- return true;
- }
-
- if (a == null || b == null)
- {
- return false;
- }
-
- if (a.length != b.length)
- {
- return false;
- }
-
- for (int i = 0; i != a.length; i++)
- {
- if (a[i] != b[i])
- {
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * A constant time equals comparison - does not terminate early if
- * test will fail.
- *
- * @param a first array
- * @param b second array
- * @return true if arrays equal, false otherwise.
- */
- public static boolean constantTimeAreEqual(
- byte[] a,
- byte[] b)
- {
- if (a == b)
- {
- return true;
- }
-
- if (a == null || b == null)
- {
- return false;
- }
-
- if (a.length != b.length)
- {
- return false;
- }
-
- int nonEqual = 0;
-
- for (int i = 0; i != a.length; i++)
- {
- nonEqual |= (a[i] ^ b[i]);
- }
-
- return nonEqual == 0;
- }
-
- public static boolean areEqual(
- int[] a,
- int[] b)
- {
- if (a == b)
- {
- return true;
- }
-
- if (a == null || b == null)
- {
- return false;
- }
-
- if (a.length != b.length)
- {
- return false;
- }
-
- for (int i = 0; i != a.length; i++)
- {
- if (a[i] != b[i])
- {
- return false;
- }
- }
-
- return true;
- }
-
- public static boolean areEqual(
- long[] a,
- long[] b)
- {
- if (a == b)
- {
- return true;
- }
-
- if (a == null || b == null)
- {
- return false;
- }
-
- if (a.length != b.length)
- {
- return false;
- }
-
- for (int i = 0; i != a.length; i++)
- {
- if (a[i] != b[i])
- {
- return false;
- }
- }
-
- return true;
- }
-
- public static boolean areEqual(Object[] a, Object[] b)
- {
- if (a == b)
- {
- return true;
- }
- if (a == null || b == null)
- {
- return false;
- }
- if (a.length != b.length)
- {
- return false;
- }
- for (int i = 0; i != a.length; i++)
- {
- Object objA = a[i], objB = b[i];
- if (objA == null)
- {
- if (objB != null)
- {
- return false;
- }
- }
- else if (!objA.equals(objB))
- {
- return false;
- }
- }
- return true;
- }
-
- public static boolean contains(short[] a, short n)
- {
- for (int i = 0; i < a.length; ++i)
- {
- if (a[i] == n)
- {
- return true;
- }
- }
- return false;
- }
-
- public static boolean contains(int[] a, int n)
- {
- for (int i = 0; i < a.length; ++i)
- {
- if (a[i] == n)
- {
- return true;
- }
- }
- return false;
- }
-
- public static void fill(
- byte[] array,
- byte value)
- {
- for (int i = 0; i < array.length; i++)
- {
- array[i] = value;
- }
- }
-
- public static void fill(
- char[] array,
- char value)
- {
- for (int i = 0; i < array.length; i++)
- {
- array[i] = value;
- }
- }
-
- public static void fill(
- long[] array,
- long value)
- {
- for (int i = 0; i < array.length; i++)
- {
- array[i] = value;
- }
- }
-
- public static void fill(
- short[] array,
- short value)
- {
- for (int i = 0; i < array.length; i++)
- {
- array[i] = value;
- }
- }
-
- public static void fill(
- int[] array,
- int value)
- {
- for (int i = 0; i < array.length; i++)
- {
- array[i] = value;
- }
- }
-
- public static int hashCode(byte[] data)
- {
- if (data == null)
- {
- return 0;
- }
-
- int i = data.length;
- int hc = i + 1;
-
- while (--i >= 0)
- {
- hc *= 257;
- hc ^= data[i];
- }
-
- return hc;
- }
-
- public static int hashCode(char[] data)
- {
- if (data == null)
- {
- return 0;
- }
-
- int i = data.length;
- int hc = i + 1;
-
- while (--i >= 0)
- {
- hc *= 257;
- hc ^= data[i];
- }
-
- return hc;
- }
-
- public static int hashCode(int[][] ints)
- {
- int hc = 0;
-
- for (int i = 0; i != ints.length; i++)
- {
- hc = hc * 257 + hashCode(ints[i]);
- }
-
- return hc;
- }
-
- public static int hashCode(int[] data)
- {
- if (data == null)
- {
- return 0;
- }
-
- int i = data.length;
- int hc = i + 1;
-
- while (--i >= 0)
- {
- hc *= 257;
- hc ^= data[i];
- }
-
- return hc;
- }
-
- public static int hashCode(short[][][] shorts)
- {
- int hc = 0;
-
- for (int i = 0; i != shorts.length; i++)
- {
- hc = hc * 257 + hashCode(shorts[i]);
- }
-
- return hc;
- }
-
- public static int hashCode(short[][] shorts)
- {
- int hc = 0;
-
- for (int i = 0; i != shorts.length; i++)
- {
- hc = hc * 257 + hashCode(shorts[i]);
- }
-
- return hc;
- }
-
- public static int hashCode(short[] data)
- {
- if (data == null)
- {
- return 0;
- }
-
- int i = data.length;
- int hc = i + 1;
-
- while (--i >= 0)
- {
- hc *= 257;
- hc ^= (data[i] & 0xff);
- }
-
- return hc;
- }
-
- public static int hashCode(Object[] data)
- {
- if (data == null)
- {
- return 0;
- }
-
- int i = data.length;
- int hc = i + 1;
-
- while (--i >= 0)
- {
- hc *= 257;
- hc ^= data[i].hashCode();
- }
-
- return hc;
- }
-
- public static byte[] clone(byte[] data)
- {
- if (data == null)
- {
- return null;
- }
- byte[] copy = new byte[data.length];
-
- System.arraycopy(data, 0, copy, 0, data.length);
-
- return copy;
- }
-
- public static byte[] clone(byte[] data, byte[] existing)
- {
- if (data == null)
- {
- return null;
- }
- if ((existing == null) || (existing.length != data.length))
- {
- return clone(data);
- }
- System.arraycopy(data, 0, existing, 0, existing.length);
- return existing;
- }
-
- public static byte[][] clone(byte[][] data)
- {
- if (data == null)
- {
- return null;
- }
-
- byte[][] copy = new byte[data.length][];
-
- for (int i = 0; i != copy.length; i++)
- {
- copy[i] = clone(data[i]);
- }
-
- return copy;
- }
-
- public static byte[][][] clone(byte[][][] data)
- {
- if (data == null)
- {
- return null;
- }
-
- byte[][][] copy = new byte[data.length][][];
-
- for (int i = 0; i != copy.length; i++)
- {
- copy[i] = clone(data[i]);
- }
-
- return copy;
- }
-
- public static int[] clone(int[] data)
- {
- if (data == null)
- {
- return null;
- }
- int[] copy = new int[data.length];
-
- System.arraycopy(data, 0, copy, 0, data.length);
-
- return copy;
- }
-
- public static long[] clone(long[] data)
- {
- if (data == null)
- {
- return null;
- }
- long[] copy = new long[data.length];
-
- System.arraycopy(data, 0, copy, 0, data.length);
-
- return copy;
- }
-
- public static long[] clone(long[] data, long[] existing)
- {
- if (data == null)
- {
- return null;
- }
- if ((existing == null) || (existing.length != data.length))
- {
- return clone(data);
- }
- System.arraycopy(data, 0, existing, 0, existing.length);
- return existing;
- }
-
- public static short[] clone(short[] data)
- {
- if (data == null)
- {
- return null;
- }
- short[] copy = new short[data.length];
-
- System.arraycopy(data, 0, copy, 0, data.length);
-
- return copy;
- }
-
- public static BigInteger[] clone(BigInteger[] data)
- {
- if (data == null)
- {
- return null;
- }
- BigInteger[] copy = new BigInteger[data.length];
-
- System.arraycopy(data, 0, copy, 0, data.length);
-
- return copy;
- }
-
- public static byte[] copyOf(byte[] data, int newLength)
- {
- byte[] tmp = new byte[newLength];
-
- if (newLength < data.length)
- {
- System.arraycopy(data, 0, tmp, 0, newLength);
- }
- else
- {
- System.arraycopy(data, 0, tmp, 0, data.length);
- }
-
- return tmp;
- }
-
- public static char[] copyOf(char[] data, int newLength)
- {
- char[] tmp = new char[newLength];
-
- if (newLength < data.length)
- {
- System.arraycopy(data, 0, tmp, 0, newLength);
- }
- else
- {
- System.arraycopy(data, 0, tmp, 0, data.length);
- }
-
- return tmp;
- }
-
- public static int[] copyOf(int[] data, int newLength)
- {
- int[] tmp = new int[newLength];
-
- if (newLength < data.length)
- {
- System.arraycopy(data, 0, tmp, 0, newLength);
- }
- else
- {
- System.arraycopy(data, 0, tmp, 0, data.length);
- }
-
- return tmp;
- }
-
- public static long[] copyOf(long[] data, int newLength)
- {
- long[] tmp = new long[newLength];
-
- if (newLength < data.length)
- {
- System.arraycopy(data, 0, tmp, 0, newLength);
- }
- else
- {
- System.arraycopy(data, 0, tmp, 0, data.length);
- }
-
- return tmp;
- }
-
- public static BigInteger[] copyOf(BigInteger[] data, int newLength)
- {
- BigInteger[] tmp = new BigInteger[newLength];
-
- if (newLength < data.length)
- {
- System.arraycopy(data, 0, tmp, 0, newLength);
- }
- else
- {
- System.arraycopy(data, 0, tmp, 0, data.length);
- }
-
- return tmp;
- }
-
- /**
- * Make a copy of a range of bytes from the passed in data array. The range can
- * extend beyond the end of the input array, in which case the return array will
- * be padded with zeroes.
- *
- * @param data the array from which the data is to be copied.
- * @param from the start index at which the copying should take place.
- * @param to the final index of the range (exclusive).
- *
- * @return a new byte array containing the range given.
- */
- public static byte[] copyOfRange(byte[] data, int from, int to)
- {
- int newLength = getLength(from, to);
-
- byte[] tmp = new byte[newLength];
-
- if (data.length - from < newLength)
- {
- System.arraycopy(data, from, tmp, 0, data.length - from);
- }
- else
- {
- System.arraycopy(data, from, tmp, 0, newLength);
- }
-
- return tmp;
- }
-
- public static int[] copyOfRange(int[] data, int from, int to)
- {
- int newLength = getLength(from, to);
-
- int[] tmp = new int[newLength];
-
- if (data.length - from < newLength)
- {
- System.arraycopy(data, from, tmp, 0, data.length - from);
- }
- else
- {
- System.arraycopy(data, from, tmp, 0, newLength);
- }
-
- return tmp;
- }
-
- public static long[] copyOfRange(long[] data, int from, int to)
- {
- int newLength = getLength(from, to);
-
- long[] tmp = new long[newLength];
-
- if (data.length - from < newLength)
- {
- System.arraycopy(data, from, tmp, 0, data.length - from);
- }
- else
- {
- System.arraycopy(data, from, tmp, 0, newLength);
- }
-
- return tmp;
- }
-
- public static BigInteger[] copyOfRange(BigInteger[] data, int from, int to)
- {
- int newLength = getLength(from, to);
-
- BigInteger[] tmp = new BigInteger[newLength];
-
- if (data.length - from < newLength)
- {
- System.arraycopy(data, from, tmp, 0, data.length - from);
- }
- else
- {
- System.arraycopy(data, from, tmp, 0, newLength);
- }
-
- return tmp;
- }
-
- private static int getLength(int from, int to)
- {
- int newLength = to - from;
- if (newLength < 0)
- {
- StringBuffer sb = new StringBuffer(from);
- sb.append(" > ").append(to);
- throw new IllegalArgumentException(sb.toString());
- }
- return newLength;
- }
-
- public static byte[] append(byte[] a, byte b)
- {
- if (a == null)
- {
- return new byte[]{ b };
- }
-
- int length = a.length;
- byte[] result = new byte[length + 1];
- System.arraycopy(a, 0, result, 0, length);
- result[length] = b;
- return result;
- }
-
- public static int[] append(int[] a, int b)
- {
- if (a == null)
- {
- return new int[]{ b };
- }
-
- int length = a.length;
- int[] result = new int[length + 1];
- System.arraycopy(a, 0, result, 0, length);
- result[length] = b;
- return result;
- }
-
- public static byte[] concatenate(byte[] a, byte[] b)
- {
- if (a != null && b != null)
- {
- byte[] rv = new byte[a.length + b.length];
-
- System.arraycopy(a, 0, rv, 0, a.length);
- System.arraycopy(b, 0, rv, a.length, b.length);
-
- return rv;
- }
- else if (b != null)
- {
- return clone(b);
- }
- else
- {
- return clone(a);
- }
- }
-
- public static byte[] concatenate(byte[] a, byte[] b, byte[] c)
- {
- if (a != null && b != null && c != null)
- {
- byte[] rv = new byte[a.length + b.length + c.length];
-
- System.arraycopy(a, 0, rv, 0, a.length);
- System.arraycopy(b, 0, rv, a.length, b.length);
- System.arraycopy(c, 0, rv, a.length + b.length, c.length);
-
- return rv;
- }
- else if (b == null)
- {
- return concatenate(a, c);
- }
- else
- {
- return concatenate(a, b);
- }
- }
-
- public static byte[] concatenate(byte[] a, byte[] b, byte[] c, byte[] d)
- {
- if (a != null && b != null && c != null && d != null)
- {
- byte[] rv = new byte[a.length + b.length + c.length + d.length];
-
- System.arraycopy(a, 0, rv, 0, a.length);
- System.arraycopy(b, 0, rv, a.length, b.length);
- System.arraycopy(c, 0, rv, a.length + b.length, c.length);
- System.arraycopy(d, 0, rv, a.length + b.length + c.length, d.length);
-
- return rv;
- }
- else if (d == null)
- {
- return concatenate(a, b, c);
- }
- else if (c == null)
- {
- return concatenate(a, b, d);
- }
- else if (b == null)
- {
- return concatenate(a, c, d);
- }
- else
- {
- return concatenate(b, c, d);
- }
- }
-
- public static byte[] prepend(byte[] a, byte b)
- {
- if (a == null)
- {
- return new byte[]{ b };
- }
-
- int length = a.length;
- byte[] result = new byte[length + 1];
- System.arraycopy(a, 0, result, 1, length);
- result[0] = b;
- return result;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 09:26:51 +0000