Updated on 2026-08-14

This commit is contained in:
Tangem 2018-05-28 14:43:40 +03:00
parent 1d2b869b46
commit 0374157cad
128 changed files with 22317 additions and 22317 deletions

View file

@ -1,39 +1,39 @@
package com.tangem.wallet;
public class ByteUtil {
public static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
public static byte[] and(byte[] b1, byte[] b2) {
if (b1.length != b2.length) throw new RuntimeException("Array sizes differ");
byte[] ret = new byte[b1.length];
for (int i = 0; i < ret.length; i++) {
ret[i] = (byte) (b1[i] & b2[i]);
}
return ret;
}
public static byte[] or(byte[] b1, byte[] b2) {
if (b1.length != b2.length) throw new RuntimeException("Array sizes differ");
byte[] ret = new byte[b1.length];
for (int i = 0; i < ret.length; i++) {
ret[i] = (byte) (b1[i] | b2[i]);
}
return ret;
}
public static boolean isNullOrZeroArray(byte[] array){
return (array == null) || (array.length == 0);
}
public static boolean isSingleZero(byte[] array){
return (array.length == 1 && array[0] == 0);
}
public static int length(byte[]... bytes) {
int result = 0;
for (byte[] array : bytes) {
result += (array == null) ? 0 : array.length;
}
return result;
}
package com.tangem.wallet;
public class ByteUtil {
public static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
public static byte[] and(byte[] b1, byte[] b2) {
if (b1.length != b2.length) throw new RuntimeException("Array sizes differ");
byte[] ret = new byte[b1.length];
for (int i = 0; i < ret.length; i++) {
ret[i] = (byte) (b1[i] & b2[i]);
}
return ret;
}
public static byte[] or(byte[] b1, byte[] b2) {
if (b1.length != b2.length) throw new RuntimeException("Array sizes differ");
byte[] ret = new byte[b1.length];
for (int i = 0; i < ret.length; i++) {
ret[i] = (byte) (b1[i] | b2[i]);
}
return ret;
}
public static boolean isNullOrZeroArray(byte[] array){
return (array == null) || (array.length == 0);
}
public static boolean isSingleZero(byte[] array){
return (array.length == 1 && array[0] == 0);
}
public static int length(byte[]... bytes) {
int result = 0;
for (byte[] array : bytes) {
result += (array == null) ? 0 : array.length;
}
return result;
}
}