what-the-bank/sources/org/bouncycastle/pqc/crypto/gmss/util/GMSSUtil.java

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Java
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2024-07-27 18:17:47 +07:00
package org.bouncycastle.pqc.crypto.gmss.util;
import com.google.common.primitives.UnsignedBytes;
import java.io.PrintStream;
/* loaded from: classes6.dex */
public class GMSSUtil {
public int getLog(int i) {
int i2 = 1;
int i3 = 2;
while (i3 < i) {
i3 <<= 1;
i2++;
}
return i2;
}
public boolean testPowerOfTwo(int i) {
int i2 = 1;
while (i2 < i) {
i2 <<= 1;
}
return i == i2;
}
public void printArray(String str, byte[][] bArr) {
System.out.println(str);
int i = 0;
for (byte[] bArr2 : bArr) {
for (int i2 = 0; i2 < bArr[0].length; i2++) {
PrintStream printStream = System.out;
StringBuilder sb = new StringBuilder();
sb.append(i);
sb.append("; ");
sb.append((int) bArr2[i2]);
printStream.println(sb.toString());
i++;
}
}
}
public void printArray(String str, byte[] bArr) {
System.out.println(str);
int i = 0;
for (byte b : bArr) {
PrintStream printStream = System.out;
StringBuilder sb = new StringBuilder();
sb.append(i);
sb.append("; ");
sb.append((int) b);
printStream.println(sb.toString());
i++;
}
}
public byte[] intToBytesLittleEndian(int i) {
return new byte[]{(byte) i, (byte) (i >> 8), (byte) (i >> 16), (byte) (i >>> 24)};
}
public byte[] concatenateArray(byte[][] bArr) {
byte[] bArr2 = new byte[bArr.length * bArr[0].length];
int i = 0;
for (int i2 = 0; i2 < bArr.length; i2++) {
byte[] bArr3 = bArr[i2];
System.arraycopy(bArr3, 0, bArr2, i, bArr3.length);
i += bArr[i2].length;
}
return bArr2;
}
public int bytesToIntLittleEndian(byte[] bArr, int i) {
byte b = bArr[i];
return ((bArr[i + 3] & UnsignedBytes.MAX_VALUE) << 24) | ((bArr[i + 1] & UnsignedBytes.MAX_VALUE) << 8) | (b & UnsignedBytes.MAX_VALUE) | ((bArr[i + 2] & UnsignedBytes.MAX_VALUE) << 16);
}
public int bytesToIntLittleEndian(byte[] bArr) {
return ((bArr[3] & UnsignedBytes.MAX_VALUE) << 24) | (bArr[0] & UnsignedBytes.MAX_VALUE) | ((bArr[1] & UnsignedBytes.MAX_VALUE) << 8) | ((bArr[2] & UnsignedBytes.MAX_VALUE) << 16);
}
}