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what-the-bank/sources/org/bouncycastle/crypto/signers/GOST3410Signer.java

347 lines
14 KiB
Java
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package org.bouncycastle.crypto.signers;
import android.graphics.Color;
import android.os.Process;
import android.os.SystemClock;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewConfiguration;
import java.lang.reflect.Method;
import java.math.BigInteger;
import java.security.SecureRandom;
import o.xzZ;
import o.zUI;
import org.bouncycastle.crypto.DSA;
import org.bouncycastle.crypto.params.GOST3410KeyParameters;
import org.bouncycastle.crypto.params.GOST3410Parameters;
import org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters;
import org.bouncycastle.crypto.params.GOST3410PublicKeyParameters;
/* loaded from: classes6.dex */
public class GOST3410Signer implements DSA {
GOST3410KeyParameters key;
SecureRandom random;
private static final byte[] $$a = {45, 6, -13, -19};
private static final int $$b = 216;
private static int $10 = 0;
private static int $11 = 1;
private static int e = 0;
private static int b = 1;
private static int a = 2015661793;
/* JADX WARN: Removed duplicated region for block: B:10:0x0027 */
/* JADX WARN: Removed duplicated region for block: B:7:0x001f */
/* JADX WARN: Unsupported multi-entry loop pattern (BACK_EDGE: B:10:0x0027 -> B:4:0x0029). Please report as a decompilation issue!!! */
/*
Code decompiled incorrectly, please refer to instructions dump.
To view partially-correct add '--show-bad-code' argument
*/
private static void f(short r6, short r7, short r8, java.lang.Object[] r9) {
/*
byte[] r0 = org.bouncycastle.crypto.signers.GOST3410Signer.$$a
int r6 = r6 * 2
int r6 = 1 - r6
int r8 = r8 * 7
int r8 = 76 - r8
int r7 = r7 * 3
int r7 = 4 - r7
byte[] r1 = new byte[r6]
r2 = 0
if (r0 != 0) goto L17
r3 = r8
r5 = r2
r8 = r6
goto L29
L17:
r3 = r2
L18:
byte r4 = (byte) r8
int r5 = r3 + 1
r1[r3] = r4
if (r5 != r6) goto L27
java.lang.String r6 = new java.lang.String
r6.<init>(r1, r2)
r9[r2] = r6
return
L27:
r3 = r0[r7]
L29:
int r8 = r8 + r3
int r7 = r7 + 1
r3 = r5
goto L18
*/
throw new UnsupportedOperationException("Method not decompiled: org.bouncycastle.crypto.signers.GOST3410Signer.f(short, short, short, java.lang.Object[]):void");
}
private static void c(int i, int i2, int i3, char[] cArr, boolean z, Object[] objArr) {
char[] cArr2;
int i4 = 2 % 2;
zUI zui = new zUI();
char[] cArr3 = new char[i];
zui.d = 0;
while (zui.d < i) {
int i5 = $11 + 73;
$10 = i5 % 128;
int i6 = i5 % 2;
zui.c = cArr[zui.d];
cArr3[zui.d] = (char) (i3 + zui.c);
int i7 = zui.d;
try {
Object[] objArr2 = {Integer.valueOf(cArr3[i7]), Integer.valueOf(a)};
Object obj = xzZ.y.get(880493502);
if (obj == null) {
Class cls = (Class) xzZ.c(144 - (SystemClock.currentThreadTimeMillis() > (-1L) ? 1 : (SystemClock.currentThreadTimeMillis() == (-1L) ? 0 : -1)), (ViewConfiguration.getFadingEdgeLength() >> 16) + 7, (char) Color.alpha(0));
byte b2 = (byte) 0;
byte b3 = b2;
Object[] objArr3 = new Object[1];
f(b2, b3, (byte) (b3 + 1), objArr3);
obj = cls.getMethod((String) objArr3[0], Integer.TYPE, Integer.TYPE);
xzZ.y.put(880493502, obj);
}
cArr3[i7] = ((Character) ((Method) obj).invoke(null, objArr2)).charValue();
try {
Object[] objArr4 = {zui, zui};
Object obj2 = xzZ.y.get(1294990079);
if (obj2 == null) {
Class cls2 = (Class) xzZ.c(342 - Color.blue(0), 5 - Color.red(0), (char) ((-1) - TextUtils.lastIndexOf("", '0', 0)));
byte b4 = (byte) 0;
byte b5 = b4;
Object[] objArr5 = new Object[1];
f(b4, b5, b5, objArr5);
obj2 = cls2.getMethod((String) objArr5[0], Object.class, Object.class);
xzZ.y.put(1294990079, obj2);
}
((Method) obj2).invoke(null, objArr4);
int i8 = $11 + 19;
$10 = i8 % 128;
int i9 = i8 % 2;
} catch (Throwable th) {
Throwable cause = th.getCause();
if (cause == null) {
throw th;
}
throw cause;
}
} catch (Throwable th2) {
Throwable cause2 = th2.getCause();
if (cause2 == null) {
throw th2;
}
throw cause2;
}
}
if (i2 > 0) {
zui.a = i2;
char[] cArr4 = new char[i];
System.arraycopy(cArr3, 0, cArr4, 0, i);
System.arraycopy(cArr4, 0, cArr3, i - zui.a, zui.a);
System.arraycopy(cArr4, zui.a, cArr3, 0, i - zui.a);
}
if (z) {
int i10 = $10 + 13;
$11 = i10 % 128;
if (i10 % 2 == 0) {
cArr2 = new char[i];
zui.d = 1;
} else {
cArr2 = new char[i];
zui.d = 0;
}
while (zui.d < i) {
cArr2[zui.d] = cArr3[(i - zui.d) - 1];
try {
Object[] objArr6 = {zui, zui};
Object obj3 = xzZ.y.get(1294990079);
if (obj3 == null) {
Class cls3 = (Class) xzZ.c((SystemClock.elapsedRealtime() > 0L ? 1 : (SystemClock.elapsedRealtime() == 0L ? 0 : -1)) + 341, 4 - TextUtils.lastIndexOf("", '0'), (char) TextUtils.getOffsetBefore("", 0));
byte b6 = (byte) 0;
byte b7 = b6;
Object[] objArr7 = new Object[1];
f(b6, b7, b7, objArr7);
obj3 = cls3.getMethod((String) objArr7[0], Object.class, Object.class);
xzZ.y.put(1294990079, obj3);
}
((Method) obj3).invoke(null, objArr6);
} catch (Throwable th3) {
Throwable cause3 = th3.getCause();
if (cause3 == null) {
throw th3;
}
throw cause3;
}
}
cArr3 = cArr2;
}
objArr[0] = new String(cArr3);
}
@Override // org.bouncycastle.crypto.DSA
public boolean verifySignature(byte[] bArr, BigInteger bigInteger, BigInteger bigInteger2) {
int i = 2 % 2;
int i2 = e + 113;
b = i2 % 128;
int i3 = i2 % 2;
int length = bArr.length;
byte[] bArr2 = new byte[length];
int i4 = 0;
while (i4 != length) {
int i5 = b + 83;
e = i5 % 128;
if (i5 % 2 != 0) {
bArr2[i4] = bArr[(length + 1) * i4];
i4 += 112;
} else {
bArr2[i4] = bArr[(length - 1) - i4];
i4++;
}
}
BigInteger bigInteger3 = new BigInteger(1, bArr2);
GOST3410Parameters parameters = this.key.getParameters();
BigInteger valueOf = BigInteger.valueOf(0L);
if (valueOf.compareTo(bigInteger) < 0) {
int i6 = e + 73;
b = i6 % 128;
int i7 = i6 % 2;
if (parameters.getQ().compareTo(bigInteger) > 0) {
int i8 = b + 45;
e = i8 % 128;
if (i8 % 2 != 0) {
valueOf.compareTo(bigInteger2);
Object obj = null;
obj.hashCode();
throw null;
}
if (valueOf.compareTo(bigInteger2) < 0 && parameters.getQ().compareTo(bigInteger2) > 0) {
BigInteger q = parameters.getQ();
Object[] objArr = new Object[1];
c(-((byte) KeyEvent.getModifierMetaStateMask()), View.resolveSizeAndState(0, 0, 0) + 1, 248 - (Process.myPid() >> 22), new char[]{0}, false, objArr);
BigInteger modPow = bigInteger3.modPow(q.subtract(new BigInteger(((String) objArr[0]).intern())), parameters.getQ());
return parameters.getA().modPow(bigInteger2.multiply(modPow).mod(parameters.getQ()), parameters.getP()).multiply(((GOST3410PublicKeyParameters) this.key).getY().modPow(parameters.getQ().subtract(bigInteger).multiply(modPow).mod(parameters.getQ()), parameters.getP())).mod(parameters.getP()).mod(parameters.getQ()).equals(bigInteger);
}
}
}
return false;
}
/* JADX WARN: Code restructure failed: missing block: B:10:0x0019, code lost:
if ((r5 instanceof org.bouncycastle.crypto.params.ParametersWithRandom) == false) goto L12;
*/
/* JADX WARN: Code restructure failed: missing block: B:11:0x001b, code lost:
r5 = (org.bouncycastle.crypto.params.ParametersWithRandom) r5;
r3.random = r5.getRandom();
r3.key = (org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters) r5.getParameters();
*/
/* JADX WARN: Code restructure failed: missing block: B:12:0x002b, code lost:
return;
*/
/* JADX WARN: Code restructure failed: missing block: B:13:0x002c, code lost:
r3.random = new java.security.SecureRandom();
r5 = (org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters) r5;
r4 = org.bouncycastle.crypto.signers.GOST3410Signer.b + 77;
org.bouncycastle.crypto.signers.GOST3410Signer.e = r4 % 128;
r4 = r4 % 2;
*/
/* JADX WARN: Code restructure failed: missing block: B:14:0x0015, code lost:
if (r4 != false) goto L8;
*/
/* JADX WARN: Code restructure failed: missing block: B:4:0x0012, code lost:
if (r4 != false) goto L8;
*/
/* JADX WARN: Code restructure failed: missing block: B:5:0x003f, code lost:
r5 = (org.bouncycastle.crypto.params.GOST3410PublicKeyParameters) r5;
*/
@Override // org.bouncycastle.crypto.DSA
/*
Code decompiled incorrectly, please refer to instructions dump.
To view partially-correct add '--show-bad-code' argument
*/
public void init(boolean r4, org.bouncycastle.crypto.CipherParameters r5) {
/*
r3 = this;
r0 = 2
int r1 = r0 % r0
int r1 = org.bouncycastle.crypto.signers.GOST3410Signer.b
int r1 = r1 + 37
int r2 = r1 % 128
org.bouncycastle.crypto.signers.GOST3410Signer.e = r2
int r1 = r1 % r0
if (r1 == 0) goto L15
r1 = 73
int r1 = r1 / 0
if (r4 == 0) goto L3f
goto L17
L15:
if (r4 == 0) goto L3f
L17:
boolean r4 = r5 instanceof org.bouncycastle.crypto.params.ParametersWithRandom
if (r4 == 0) goto L2c
org.bouncycastle.crypto.params.ParametersWithRandom r5 = (org.bouncycastle.crypto.params.ParametersWithRandom) r5
java.security.SecureRandom r4 = r5.getRandom()
r3.random = r4
org.bouncycastle.crypto.CipherParameters r4 = r5.getParameters()
org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters r4 = (org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters) r4
r3.key = r4
return
L2c:
java.security.SecureRandom r4 = new java.security.SecureRandom
r4.<init>()
r3.random = r4
org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters r5 = (org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters) r5
int r4 = org.bouncycastle.crypto.signers.GOST3410Signer.b
int r4 = r4 + 77
int r1 = r4 % 128
org.bouncycastle.crypto.signers.GOST3410Signer.e = r1
int r4 = r4 % r0
goto L41
L3f:
org.bouncycastle.crypto.params.GOST3410PublicKeyParameters r5 = (org.bouncycastle.crypto.params.GOST3410PublicKeyParameters) r5
L41:
r3.key = r5
return
*/
throw new UnsupportedOperationException("Method not decompiled: org.bouncycastle.crypto.signers.GOST3410Signer.init(boolean, org.bouncycastle.crypto.CipherParameters):void");
}
@Override // org.bouncycastle.crypto.DSA
public BigInteger[] generateSignature(byte[] bArr) {
BigInteger bigInteger;
int i = 2 % 2;
int length = bArr.length;
byte[] bArr2 = new byte[length];
int i2 = e + 91;
b = i2 % 128;
int i3 = i2 % 2;
int i4 = 0;
while (i4 != length) {
int i5 = b + 83;
e = i5 % 128;
if (i5 % 2 != 0) {
bArr2[i4] = bArr[length / i4];
i4 += 44;
} else {
bArr2[i4] = bArr[(length - 1) - i4];
i4++;
}
}
BigInteger bigInteger2 = new BigInteger(1, bArr2);
GOST3410Parameters parameters = this.key.getParameters();
do {
bigInteger = new BigInteger(parameters.getQ().bitLength(), this.random);
} while (bigInteger.compareTo(parameters.getQ()) >= 0);
int i6 = e + 107;
b = i6 % 128;
int i7 = i6 % 2;
BigInteger mod = parameters.getA().modPow(bigInteger, parameters.getP()).mod(parameters.getQ());
return new BigInteger[]{mod, bigInteger.multiply(bigInteger2).add(((GOST3410PrivateKeyParameters) this.key).getX().multiply(mod)).mod(parameters.getQ())};
}
}
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