diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/pqc/crypto/rainbow/util/RainbowUtil.java')
| -rw-r--r-- | bcprov/src/main/java/org/bouncycastle/pqc/crypto/rainbow/util/RainbowUtil.java | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/rainbow/util/RainbowUtil.java b/bcprov/src/main/java/org/bouncycastle/pqc/crypto/rainbow/util/RainbowUtil.java deleted file mode 100644 index 2b073b1..0000000 --- a/bcprov/src/main/java/org/bouncycastle/pqc/crypto/rainbow/util/RainbowUtil.java +++ /dev/null @@ -1,230 +0,0 @@ -package org.bouncycastle.pqc.crypto.rainbow.util; - -/** - * This class is needed for the conversions while encoding and decoding, as well as for - * comparison between arrays of some dimensions - */ -public class RainbowUtil -{ - - /** - * This function converts an one-dimensional array of bytes into a - * one-dimensional array of int - * - * @param in the array to be converted - * @return out - * the one-dimensional int-array that corresponds the input - */ - public static int[] convertArraytoInt(byte[] in) - { - int[] out = new int[in.length]; - for (int i = 0; i < in.length; i++) - { - out[i] = in[i] & GF2Field.MASK; - } - return out; - } - - /** - * This function converts an one-dimensional array of bytes into a - * one-dimensional array of type short - * - * @param in the array to be converted - * @return out - * one-dimensional short-array that corresponds the input - */ - public static short[] convertArray(byte[] in) - { - short[] out = new short[in.length]; - for (int i = 0; i < in.length; i++) - { - out[i] = (short)(in[i] & GF2Field.MASK); - } - return out; - } - - /** - * This function converts a matrix of bytes into a matrix of type short - * - * @param in the matrix to be converted - * @return out - * short-matrix that corresponds the input - */ - public static short[][] convertArray(byte[][] in) - { - short[][] out = new short[in.length][in[0].length]; - for (int i = 0; i < in.length; i++) - { - for (int j = 0; j < in[0].length; j++) - { - out[i][j] = (short)(in[i][j] & GF2Field.MASK); - } - } - return out; - } - - /** - * This function converts a 3-dimensional array of bytes into a 3-dimensional array of type short - * - * @param in the array to be converted - * @return out - * short-array that corresponds the input - */ - public static short[][][] convertArray(byte[][][] in) - { - short[][][] out = new short[in.length][in[0].length][in[0][0].length]; - for (int i = 0; i < in.length; i++) - { - for (int j = 0; j < in[0].length; j++) - { - for (int k = 0; k < in[0][0].length; k++) - { - out[i][j][k] = (short)(in[i][j][k] & GF2Field.MASK); - } - } - } - return out; - } - - /** - * This function converts an array of type int into an array of type byte - * - * @param in the array to be converted - * @return out - * the byte-array that corresponds the input - */ - public static byte[] convertIntArray(int[] in) - { - byte[] out = new byte[in.length]; - for (int i = 0; i < in.length; i++) - { - out[i] = (byte)in[i]; - } - return out; - } - - - /** - * This function converts an array of type short into an array of type byte - * - * @param in the array to be converted - * @return out - * the byte-array that corresponds the input - */ - public static byte[] convertArray(short[] in) - { - byte[] out = new byte[in.length]; - for (int i = 0; i < in.length; i++) - { - out[i] = (byte)in[i]; - } - return out; - } - - /** - * This function converts a matrix of type short into a matrix of type byte - * - * @param in the matrix to be converted - * @return out - * the byte-matrix that corresponds the input - */ - public static byte[][] convertArray(short[][] in) - { - byte[][] out = new byte[in.length][in[0].length]; - for (int i = 0; i < in.length; i++) - { - for (int j = 0; j < in[0].length; j++) - { - out[i][j] = (byte)in[i][j]; - } - } - return out; - } - - /** - * This function converts a 3-dimensional array of type short into a 3-dimensional array of type byte - * - * @param in the array to be converted - * @return out - * the byte-array that corresponds the input - */ - public static byte[][][] convertArray(short[][][] in) - { - byte[][][] out = new byte[in.length][in[0].length][in[0][0].length]; - for (int i = 0; i < in.length; i++) - { - for (int j = 0; j < in[0].length; j++) - { - for (int k = 0; k < in[0][0].length; k++) - { - out[i][j][k] = (byte)in[i][j][k]; - } - } - } - return out; - } - - /** - * Compare two short arrays. No null checks are performed. - * - * @param left the first short array - * @param right the second short array - * @return the result of the comparison - */ - public static boolean equals(short[] left, short[] right) - { - if (left.length != right.length) - { - return false; - } - boolean result = true; - for (int i = left.length - 1; i >= 0; i--) - { - result &= left[i] == right[i]; - } - return result; - } - - /** - * Compare two two-dimensional short arrays. No null checks are performed. - * - * @param left the first short array - * @param right the second short array - * @return the result of the comparison - */ - public static boolean equals(short[][] left, short[][] right) - { - if (left.length != right.length) - { - return false; - } - boolean result = true; - for (int i = left.length - 1; i >= 0; i--) - { - result &= equals(left[i], right[i]); - } - return result; - } - - /** - * Compare two three-dimensional short arrays. No null checks are performed. - * - * @param left the first short array - * @param right the second short array - * @return the result of the comparison - */ - public static boolean equals(short[][][] left, short[][][] right) - { - if (left.length != right.length) - { - return false; - } - boolean result = true; - for (int i = left.length - 1; i >= 0; i--) - { - result &= equals(left[i], right[i]); - } - return result; - } - -} |