package com.bytedance.pangle.f;
import com.kwai.video.player.KsMediaMeta;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.security.MessageDigest;
import java.util.ArrayList;
/* access modifiers changed from: package-private */
public abstract class g {
private static final byte[] a = new byte[8];
/* access modifiers changed from: package-private */
public static class a {
public final ByteBuffer a;
public final byte[] b;
a(ByteBuffer byteBuffer, byte[] bArr) {
this.a = byteBuffer;
this.b = bArr;
}
}
static a a(RandomAccessFile randomAccessFile, m mVar, i iVar) {
int[] a2 = a(randomAccessFile.length() - (mVar.c - mVar.b));
int i = a2[a2.length - 1];
int i2 = i + 4096;
ByteBuffer a3 = iVar.a(i2);
a3.order(ByteOrder.LITTLE_ENDIAN);
ByteBuffer a4 = a(a3, 0, i);
int i3 = i + 64;
ByteBuffer a5 = a(a3, i, i3);
ByteBuffer a6 = a(a3, i3, i2);
byte[] bArr = new byte[32];
ByteBuffer wrap = ByteBuffer.wrap(bArr);
wrap.order(ByteOrder.LITTLE_ENDIAN);
if (mVar.b % KsMediaMeta.AV_CH_TOP_FRONT_LEFT != 0) {
throw new IllegalArgumentException("APK Signing Block does not start at the page boundary: " + mVar.b);
} else if ((mVar.c - mVar.b) % KsMediaMeta.AV_CH_TOP_FRONT_LEFT == 0) {
long j = mVar.c - mVar.b;
int[] a7 = a(randomAccessFile.length() - j);
if (a4 != null) {
byte[] a8 = a(randomAccessFile, mVar, a, a7, a4);
if (wrap != null) {
wrap.put(a8);
wrap.flip();
}
}
if (a5 != null) {
a5.order(ByteOrder.LITTLE_ENDIAN);
long length = randomAccessFile.length();
byte[] bArr2 = a;
if (bArr2.length == 8) {
a5.put("TrueBrew".getBytes());
a5.put((byte) 1);
a5.put((byte) 0);
a5.put((byte) 12);
a5.put((byte) 7);
a5.putShort(1);
a5.putShort(1);
a5.putInt(0);
a5.putInt(0);
a5.putLong(length);
a5.put((byte) 2);
a5.put((byte) 0);
a5.put(bArr2);
a(a5, 22);
a5.flip();
} else {
throw new IllegalArgumentException("salt is not 8 bytes long");
}
}
if (a6 != null) {
a6.order(ByteOrder.LITTLE_ENDIAN);
long j2 = mVar.b;
long j3 = mVar.d;
a6.putInt(24);
a6.putShort(1);
a(a6, 2);
a6.putLong(j2);
a6.putLong(j);
a6.putInt(20);
a6.putShort(2);
a(a6, 2);
a6.putLong(j3 + 16);
a6.putInt(c(j2));
a(a6, 4);
a6.flip();
}
a3.position(i3 + a6.limit());
a3.putInt(a6.limit() + 64 + 4);
a3.flip();
return new a(a3, bArr);
} else {
throw new IllegalArgumentException("Size of APK Signing Block is not a multiple of 4096: " + (mVar.c - mVar.b));
}
}
/* access modifiers changed from: package-private */
public static class b implements j {
private int a;
private final ByteBuffer b;
private final MessageDigest c;
private final byte[] d;
private final byte[] e;
/* synthetic */ b(byte[] bArr, ByteBuffer byteBuffer, byte b2) {
this(bArr, byteBuffer);
}
private b(byte[] bArr, ByteBuffer byteBuffer) {
this.d = new byte[32];
this.e = bArr;
this.b = byteBuffer.slice();
MessageDigest instance = MessageDigest.getInstance("SHA-256");
this.c = instance;
instance.update(bArr);
this.a = 0;
}
@Override // com.bytedance.pangle.f.j
public final void a(ByteBuffer byteBuffer) {
byteBuffer.position();
int remaining = byteBuffer.remaining();
while (remaining > 0) {
int min = Math.min(remaining, 4096 - this.a);
byteBuffer.limit(byteBuffer.position() + min);
this.c.update(byteBuffer);
remaining -= min;
int i = this.a + min;
this.a = i;
if (i == 4096) {
MessageDigest messageDigest = this.c;
byte[] bArr = this.d;
messageDigest.digest(bArr, 0, bArr.length);
this.b.put(this.d);
this.c.update(this.e);
this.a = 0;
}
}
}
public final void a() {
if (this.a != 0) {
throw new IllegalStateException("Buffer is not empty: " + this.a);
}
}
/* access modifiers changed from: package-private */
public final void b() {
int position = this.b.position() % 4096;
if (position != 0) {
this.b.put(ByteBuffer.allocate(4096 - position));
}
}
}
private static void a(j jVar, k kVar, int i) {
long a2 = kVar.a();
long j = 0;
while (a2 > 0) {
int min = (int) Math.min(a2, (long) i);
kVar.a(jVar, j, min);
long j2 = (long) min;
j += j2;
a2 -= j2;
}
}
private static byte[] a(RandomAccessFile randomAccessFile, m mVar, byte[] bArr, int[] iArr, ByteBuffer byteBuffer) {
b bVar = new b(bArr, a(byteBuffer, iArr[iArr.length - 2], iArr[iArr.length - 1]), (byte) 0);
a(bVar, new l(randomAccessFile.getFD(), 0, mVar.b), 1048576);
long j = mVar.d + 16;
a(bVar, new l(randomAccessFile.getFD(), mVar.c, j - mVar.c), 1048576);
ByteBuffer order = ByteBuffer.allocate(4).order(ByteOrder.LITTLE_ENDIAN);
order.putInt(c(mVar.b));
order.flip();
bVar.a(order);
long j2 = j + 4;
a(bVar, new l(randomAccessFile.getFD(), j2, randomAccessFile.length() - j2), 1048576);
int length = (int) (randomAccessFile.length() % KsMediaMeta.AV_CH_TOP_FRONT_LEFT);
if (length != 0) {
bVar.a(ByteBuffer.allocate(4096 - length));
}
bVar.a();
bVar.b();
for (int length2 = iArr.length - 3; length2 >= 0; length2--) {
int i = length2 + 1;
ByteBuffer a2 = a(byteBuffer, iArr[i], iArr[length2 + 2]);
ByteBuffer a3 = a(byteBuffer, iArr[length2], iArr[i]);
h hVar = new h(a2);
b bVar2 = new b(bArr, a3, (byte) 0);
a(bVar2, hVar, 4096);
bVar2.a();
bVar2.b();
}
byte[] bArr2 = new byte[32];
b bVar3 = new b(bArr, ByteBuffer.wrap(bArr2), (byte) 0);
bVar3.a(a(byteBuffer, 0, 4096));
bVar3.a();
return bArr2;
}
private static int[] a(long j) {
ArrayList arrayList = new ArrayList();
do {
j = b(j) * 32;
arrayList.add(Long.valueOf(b(j) * KsMediaMeta.AV_CH_TOP_FRONT_LEFT));
} while (j > KsMediaMeta.AV_CH_TOP_FRONT_LEFT);
int[] iArr = new int[(arrayList.size() + 1)];
int i = 0;
iArr[0] = 0;
while (i < arrayList.size()) {
int i2 = i + 1;
iArr[i2] = iArr[i] + c(((Long) arrayList.get((arrayList.size() - i) - 1)).longValue());
i = i2;
}
return iArr;
}
private static ByteBuffer a(ByteBuffer byteBuffer, int i, int i2) {
ByteBuffer duplicate = byteBuffer.duplicate();
duplicate.position(0);
duplicate.limit(i2);
duplicate.position(i);
return duplicate.slice();
}
private static void a(ByteBuffer byteBuffer, int i) {
byteBuffer.position(byteBuffer.position() + i);
}
private static long b(long j) {
return ((j + KsMediaMeta.AV_CH_TOP_FRONT_LEFT) - 1) / KsMediaMeta.AV_CH_TOP_FRONT_LEFT;
}
private static int c(long j) {
int i = (int) j;
if (((long) i) == j) {
return i;
}
throw new ArithmeticException("integer overflow");
}
}