Package org.bouncycastle.util
Class Arrays
java.lang.Object
org.bouncycastle.util.Arrays
General array utilities.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic classIterator backed by a specific array. -
Method Summary
Modifier and TypeMethodDescriptionstatic byte[]append(byte[] a, byte b) static int[]append(int[] a, int b) static short[]append(short[] a, short b) static String[]static booleanareAllZeroes(byte[] buf, int off, int len) static booleanareEqual(boolean[] a, boolean[] b) static booleanareEqual(byte[] a, byte[] b) static booleanareEqual(byte[] a, int aFromIndex, int aToIndex, byte[] b, int bFromIndex, int bToIndex) static booleanareEqual(char[] a, char[] b) static booleanareEqual(int[] a, int[] b) static booleanareEqual(long[] a, long[] b) static booleanareEqual(short[] a, short[] b) static booleanstatic voidclear(byte[] data) Fill input array by zerosstatic voidclear(int[] data) static boolean[]clone(boolean[] data) static byte[]clone(byte[] data) static byte[][]clone(byte[][] data) static byte[][][]clone(byte[][][] data) static byte[]clone(byte[] data, byte[] existing) static char[]clone(char[] data) static int[]clone(int[] data) static long[]clone(long[] data) static long[]clone(long[] data, long[] existing) static short[]clone(short[] data) static BigInteger[]clone(BigInteger[] data) static intcompareUnsigned(byte[] a, byte[] b) static byte[]concatenate(byte[][] arrays) static byte[]concatenate(byte[] a, byte[] b) static byte[]concatenate(byte[] a, byte[] b, byte[] c) static byte[]concatenate(byte[] a, byte[] b, byte[] c, byte[] d) static int[]concatenate(int[] a, int[] b) static short[]concatenate(short[] a, short[] b) static booleanconstantTimeAreEqual(byte[] expected, byte[] supplied) A constant time equals comparison - does not terminate early if test will fail.static booleanconstantTimeAreEqual(int len, byte[] a, int aOff, byte[] b, int bOff) static booleancontains(boolean[] a, boolean val) static booleancontains(byte[] a, byte val) static booleancontains(char[] a, char val) static booleancontains(int[] a, int val) static booleancontains(long[] a, long val) static booleancontains(short[] a, short val) static boolean[]copyOf(boolean[] original, int newLength) static byte[]copyOf(byte[] original, int newLength) static char[]copyOf(char[] original, int newLength) static int[]copyOf(int[] original, int newLength) static long[]copyOf(long[] original, int newLength) static short[]copyOf(short[] original, int newLength) static BigInteger[]copyOf(BigInteger[] original, int newLength) static boolean[]copyOfRange(boolean[] original, int from, int to) static byte[]copyOfRange(byte[] original, int from, int to) Make a copy of a range of bytes from the passed in array.static char[]copyOfRange(char[] original, int from, int to) static int[]copyOfRange(int[] original, int from, int to) static long[]copyOfRange(long[] original, int from, int to) static short[]copyOfRange(short[] original, int from, int to) static BigInteger[]copyOfRange(BigInteger[] original, int from, int to) static voidfill(boolean[] a, boolean val) static voidfill(boolean[] a, int fromIndex, int toIndex, boolean val) static voidfill(byte[] a, byte val) static voidfill(byte[] a, int fromIndex, byte val) Deprecated.static voidfill(byte[] a, int fromIndex, int toIndex, byte val) static voidfill(char[] a, char val) static voidfill(char[] a, int fromIndex, int toIndex, char val) static voidfill(int[] a, int val) static voidfill(int[] a, int fromIndex, int val) Deprecated.Usefill(int[], int, int, int)instead.static voidfill(int[] a, int fromIndex, int toIndex, int val) static voidfill(long[] a, int fromIndex, int toIndex, long val) static voidfill(long[] a, int fromIndex, long val) Deprecated.Usefill(long[], int, int, long)instead.static voidfill(long[] a, long val) static voidfill(short[] a, int fromIndex, int toIndex, short val) static voidfill(short[] a, int fromIndex, short val) Deprecated.Usefill(short[], int, int, short)instead.static voidfill(short[] a, short val) static voidstatic voidstatic inthashCode(byte[] data) static inthashCode(byte[] data, int off, int len) static inthashCode(char[] data) static inthashCode(int[] data) static inthashCode(int[][] ints) static inthashCode(int[] data, int off, int len) static inthashCode(long[] data) static inthashCode(long[] data, int off, int len) static inthashCode(short[] data) static inthashCode(short[][] shorts) static inthashCode(short[][][] shorts) static intstatic booleanisNullOrContainsNull(Object[] array) static booleanisNullOrEmpty(byte[] array) static booleanisNullOrEmpty(int[] array) static booleanisNullOrEmpty(Object[] array) static byte[]prepend(byte[] a, byte b) static int[]prepend(int[] a, int b) static short[]prepend(short[] a, short b) static byte[]reverse(byte[] a) static int[]reverse(int[] a) static byte[]reverseInPlace(byte[] a) static int[]reverseInPlace(int[] a)
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Method Details
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areAllZeroes
public static boolean areAllZeroes(byte[] buf, int off, int len) -
areEqual
public static boolean areEqual(boolean[] a, boolean[] b) -
areEqual
public static boolean areEqual(byte[] a, byte[] b) -
areEqual
public static boolean areEqual(byte[] a, int aFromIndex, int aToIndex, byte[] b, int bFromIndex, int bToIndex) -
areEqual
public static boolean areEqual(char[] a, char[] b) -
areEqual
public static boolean areEqual(int[] a, int[] b) -
areEqual
public static boolean areEqual(long[] a, long[] b) -
areEqual
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areEqual
public static boolean areEqual(short[] a, short[] b) -
constantTimeAreEqual
public static boolean constantTimeAreEqual(byte[] expected, byte[] supplied) A constant time equals comparison - does not terminate early if test will fail. For best results always pass the expected value as the first parameter.- Parameters:
expected- first arraysupplied- second array- Returns:
- true if arrays equal, false otherwise.
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constantTimeAreEqual
public static boolean constantTimeAreEqual(int len, byte[] a, int aOff, byte[] b, int bOff) -
compareUnsigned
public static int compareUnsigned(byte[] a, byte[] b) -
contains
public static boolean contains(boolean[] a, boolean val) -
contains
public static boolean contains(byte[] a, byte val) -
contains
public static boolean contains(char[] a, char val) -
contains
public static boolean contains(int[] a, int val) -
contains
public static boolean contains(long[] a, long val) -
contains
public static boolean contains(short[] a, short val) -
fill
public static void fill(boolean[] a, boolean val) -
fill
public static void fill(boolean[] a, int fromIndex, int toIndex, boolean val) -
fill
public static void fill(byte[] a, byte val) -
fill
public static void fill(byte[] a, int fromIndex, byte val) Deprecated.Usefill(byte[], int, int, byte)instead. -
fill
public static void fill(byte[] a, int fromIndex, int toIndex, byte val) -
fill
public static void fill(char[] a, char val) -
fill
public static void fill(char[] a, int fromIndex, int toIndex, char val) -
fill
public static void fill(int[] a, int val) -
fill
public static void fill(int[] a, int fromIndex, int val) Deprecated.Usefill(int[], int, int, int)instead. -
fill
public static void fill(int[] a, int fromIndex, int toIndex, int val) -
fill
public static void fill(long[] a, long val) -
fill
public static void fill(long[] a, int fromIndex, long val) Deprecated.Usefill(long[], int, int, long)instead. -
fill
public static void fill(long[] a, int fromIndex, int toIndex, long val) -
fill
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fill
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fill
public static void fill(short[] a, short val) -
fill
public static void fill(short[] a, int fromIndex, short val) Deprecated.Usefill(short[], int, int, short)instead. -
fill
public static void fill(short[] a, int fromIndex, int toIndex, short val) -
hashCode
public static int hashCode(byte[] data) -
hashCode
public static int hashCode(byte[] data, int off, int len) -
hashCode
public static int hashCode(char[] data) -
hashCode
public static int hashCode(int[][] ints) -
hashCode
public static int hashCode(int[] data) -
hashCode
public static int hashCode(int[] data, int off, int len) -
hashCode
public static int hashCode(long[] data) -
hashCode
public static int hashCode(long[] data, int off, int len) -
hashCode
public static int hashCode(short[][][] shorts) -
hashCode
public static int hashCode(short[][] shorts) -
hashCode
public static int hashCode(short[] data) -
hashCode
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clone
public static boolean[] clone(boolean[] data) -
clone
public static byte[] clone(byte[] data) -
clone
public static char[] clone(char[] data) -
clone
public static int[] clone(int[] data) -
clone
public static long[] clone(long[] data) -
clone
public static short[] clone(short[] data) -
clone
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clone
public static byte[] clone(byte[] data, byte[] existing) -
clone
public static long[] clone(long[] data, long[] existing) -
clone
public static byte[][] clone(byte[][] data) -
clone
public static byte[][][] clone(byte[][][] data) -
copyOf
public static boolean[] copyOf(boolean[] original, int newLength) -
copyOf
public static byte[] copyOf(byte[] original, int newLength) -
copyOf
public static char[] copyOf(char[] original, int newLength) -
copyOf
public static int[] copyOf(int[] original, int newLength) -
copyOf
public static long[] copyOf(long[] original, int newLength) -
copyOf
public static short[] copyOf(short[] original, int newLength) -
copyOf
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copyOfRange
public static boolean[] copyOfRange(boolean[] original, int from, int to) -
copyOfRange
public static byte[] copyOfRange(byte[] original, int from, int to) Make a copy of a range of bytes from the passed in array. The range can extend beyond the end of the input array, in which case the returned array will be padded with zeroes.- Parameters:
original- the array from which the data is to be copied.from- the start index at which the copying should take place.to- the final index of the range (exclusive).- Returns:
- a new byte array containing the range given.
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copyOfRange
public static char[] copyOfRange(char[] original, int from, int to) -
copyOfRange
public static int[] copyOfRange(int[] original, int from, int to) -
copyOfRange
public static long[] copyOfRange(long[] original, int from, int to) -
copyOfRange
public static short[] copyOfRange(short[] original, int from, int to) -
copyOfRange
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append
public static byte[] append(byte[] a, byte b) -
append
public static short[] append(short[] a, short b) -
append
public static int[] append(int[] a, int b) -
append
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concatenate
public static byte[] concatenate(byte[] a, byte[] b) -
concatenate
public static short[] concatenate(short[] a, short[] b) -
concatenate
public static byte[] concatenate(byte[] a, byte[] b, byte[] c) -
concatenate
public static byte[] concatenate(byte[] a, byte[] b, byte[] c, byte[] d) -
concatenate
public static byte[] concatenate(byte[][] arrays) -
concatenate
public static int[] concatenate(int[] a, int[] b) -
prepend
public static byte[] prepend(byte[] a, byte b) -
prepend
public static short[] prepend(short[] a, short b) -
prepend
public static int[] prepend(int[] a, int b) -
reverse
public static byte[] reverse(byte[] a) -
reverse
public static int[] reverse(int[] a) -
reverseInPlace
public static byte[] reverseInPlace(byte[] a) -
reverseInPlace
public static int[] reverseInPlace(int[] a) -
clear
public static void clear(byte[] data) Fill input array by zeros- Parameters:
data- input array
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clear
public static void clear(int[] data) -
isNullOrContainsNull
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isNullOrEmpty
public static boolean isNullOrEmpty(byte[] array) -
isNullOrEmpty
public static boolean isNullOrEmpty(int[] array) -
isNullOrEmpty
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fill(byte[], int, int, byte)instead.