what-the-bank/sources/org/bouncycastle/asn1/ASN1BitString.java

202 lines
6.5 KiB
Java

package org.bouncycastle.asn1;
import com.google.common.primitives.UnsignedBytes;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.io.Streams;
/* loaded from: classes6.dex */
public abstract class ASN1BitString extends ASN1Primitive implements ASN1String {
private static final char[] table = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
public final byte[] data;
protected final int padBits;
/* JADX INFO: Access modifiers changed from: protected */
public static int getPadBits(int i) {
int i2;
int i3 = 3;
while (true) {
if (i3 < 0) {
i2 = 0;
break;
}
if (i3 != 0) {
int i4 = i >> (i3 << 3);
if (i4 != 0) {
i2 = i4 & 255;
break;
}
i3--;
} else {
if (i != 0) {
i2 = i & 255;
break;
}
i3--;
}
}
if (i2 == 0) {
return 0;
}
int i5 = 1;
while (true) {
i2 <<= 1;
if ((i2 & 255) == 0) {
return 8 - i5;
}
i5++;
}
}
/* JADX INFO: Access modifiers changed from: package-private */
@Override // org.bouncycastle.asn1.ASN1Primitive
public abstract void encode(ASN1OutputStream aSN1OutputStream) throws IOException;
public String toString() {
return getString();
}
/* JADX INFO: Access modifiers changed from: package-private */
@Override // org.bouncycastle.asn1.ASN1Primitive
public ASN1Primitive toDLObject() {
return new DLBitString(this.data, this.padBits);
}
/* JADX INFO: Access modifiers changed from: package-private */
@Override // org.bouncycastle.asn1.ASN1Primitive
public ASN1Primitive toDERObject() {
return new DERBitString(this.data, this.padBits);
}
public int intValue() {
byte[] bArr = this.data;
int i = this.padBits;
if (i > 0 && bArr.length <= 4) {
bArr = derForm(bArr, i);
}
int i2 = 0;
for (int i3 = 0; i3 != bArr.length && i3 != 4; i3++) {
i2 |= (bArr[i3] & UnsignedBytes.MAX_VALUE) << (i3 << 3);
}
return i2;
}
@Override // org.bouncycastle.asn1.ASN1Primitive, org.bouncycastle.asn1.ASN1Object
public int hashCode() {
return this.padBits ^ Arrays.hashCode(getBytes());
}
@Override // org.bouncycastle.asn1.ASN1String
public String getString() {
StringBuffer stringBuffer = new StringBuffer("#");
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try {
new ASN1OutputStream(byteArrayOutputStream).writeObject(this);
byte[] byteArray = byteArrayOutputStream.toByteArray();
for (int i = 0; i != byteArray.length; i++) {
char[] cArr = table;
stringBuffer.append(cArr[(byteArray[i] >>> 4) & 15]);
stringBuffer.append(cArr[byteArray[i] & 15]);
}
return stringBuffer.toString();
} catch (IOException e) {
StringBuilder sb = new StringBuilder("Internal error encoding BitString: ");
sb.append(e.getMessage());
throw new ASN1ParsingException(sb.toString(), e);
}
}
public int getPadBits() {
return this.padBits;
}
public byte[] getOctets() {
if (this.padBits == 0) {
return Arrays.clone(this.data);
}
throw new IllegalStateException("attempt to get non-octet aligned data from BIT STRING");
}
public ASN1Primitive getLoadedObject() {
return toASN1Primitive();
}
public byte[] getBytes() {
return derForm(this.data, this.padBits);
}
@Override // org.bouncycastle.asn1.ASN1Primitive
protected boolean asn1Equals(ASN1Primitive aSN1Primitive) {
if (!(aSN1Primitive instanceof ASN1BitString)) {
return false;
}
ASN1BitString aSN1BitString = (ASN1BitString) aSN1Primitive;
return this.padBits == aSN1BitString.padBits && Arrays.areEqual(getBytes(), aSN1BitString.getBytes());
}
/* JADX INFO: Access modifiers changed from: protected */
public static byte[] getBytes(int i) {
if (i == 0) {
return new byte[0];
}
int i2 = 4;
for (int i3 = 3; i3 > 0 && ((255 << (i3 << 3)) & i) == 0; i3--) {
i2--;
}
byte[] bArr = new byte[i2];
for (int i4 = 0; i4 < i2; i4++) {
bArr[i4] = (byte) (i >> (i4 << 3));
}
return bArr;
}
/* JADX INFO: Access modifiers changed from: package-private */
public static ASN1BitString fromInputStream(int i, InputStream inputStream) throws IOException {
if (i <= 0) {
throw new IllegalArgumentException("truncated BIT STRING detected");
}
int read = inputStream.read();
int i2 = i - 1;
byte[] bArr = new byte[i2];
if (i2 != 0) {
if (Streams.readFully(inputStream, bArr) != i2) {
throw new EOFException("EOF encountered in middle of BIT STRING");
}
if (read > 0 && read < 8) {
byte b = bArr[i - 2];
if (b != ((byte) ((255 << read) & b))) {
return new DLBitString(bArr, read);
}
}
}
return new DERBitString(bArr, read);
}
/* JADX INFO: Access modifiers changed from: protected */
public static byte[] derForm(byte[] bArr, int i) {
byte[] clone = Arrays.clone(bArr);
if (i > 0) {
int length = bArr.length - 1;
clone[length] = (byte) ((255 << i) & clone[length]);
}
return clone;
}
public ASN1BitString(byte[] bArr, int i) {
if (bArr == null) {
throw new NullPointerException("data cannot be null");
}
if (bArr.length == 0 && i != 0) {
throw new IllegalArgumentException("zero length data with non-zero pad bits");
}
if (i > 7 || i < 0) {
throw new IllegalArgumentException("pad bits cannot be greater than 7 or less than 0");
}
this.data = Arrays.clone(bArr);
this.padBits = i;
}
}