package B7;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import javax.crypto.AEADBadTagException;

/* JADX INFO: loaded from: classes.dex */
public abstract class i {

    /* JADX INFO: renamed from: a, reason: collision with root package name */
    public final Object f1071a;

    /* JADX INFO: renamed from: b, reason: collision with root package name */
    public final Object f1072b;

    public i(C7.b bVar, String str) {
        P6.g.e(str, "data");
        this.f1071a = bVar;
        this.f1072b = str;
    }

    public static byte[] d(byte[] bArr, ByteBuffer byteBuffer) {
        int length = bArr.length % 16 == 0 ? bArr.length : (bArr.length + 16) - (bArr.length % 16);
        int iRemaining = byteBuffer.remaining();
        int i = iRemaining % 16;
        int i5 = (i == 0 ? iRemaining : (iRemaining + 16) - i) + length;
        ByteBuffer byteBufferOrder = ByteBuffer.allocate(i5 + 16).order(ByteOrder.LITTLE_ENDIAN);
        byteBufferOrder.put(bArr);
        byteBufferOrder.position(length);
        byteBufferOrder.put(byteBuffer);
        byteBufferOrder.position(i5);
        byteBufferOrder.putLong(bArr.length);
        byteBufferOrder.putLong(iRemaining);
        return byteBufferOrder.array();
    }

    public byte[] a(ByteBuffer byteBuffer, byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
        if (byteBuffer.remaining() < 16) {
            throw new GeneralSecurityException("ciphertext too short");
        }
        int iPosition = byteBuffer.position();
        byte[] bArr3 = new byte[16];
        byteBuffer.position(byteBuffer.limit() - 16);
        byteBuffer.get(bArr3);
        byteBuffer.position(iPosition);
        byteBuffer.limit(byteBuffer.limit() - 16);
        if (bArr2 == null) {
            bArr2 = new byte[0];
        }
        try {
            byte[] bArr4 = new byte[32];
            ((J3.e) this.f1072b).a(0, bArr).get(bArr4);
            if (!MessageDigest.isEqual(s7.d.k(bArr4, d(bArr2, byteBuffer)), bArr3)) {
                throw new GeneralSecurityException("invalid MAC");
            }
            byteBuffer.position(iPosition);
            J3.e eVar = (J3.e) this.f1071a;
            eVar.getClass();
            ByteBuffer byteBufferAllocate = ByteBuffer.allocate(byteBuffer.remaining());
            eVar.k(bArr, byteBufferAllocate, byteBuffer);
            return byteBufferAllocate.array();
        } catch (GeneralSecurityException e8) {
            throw new AEADBadTagException(e8.toString());
        }
    }

    public void b(ByteBuffer byteBuffer, byte[] bArr, byte[] bArr2, byte[] bArr3) throws GeneralSecurityException {
        if (byteBuffer.remaining() < bArr2.length + 16) {
            throw new IllegalArgumentException("Given ByteBuffer output is too small");
        }
        int iPosition = byteBuffer.position();
        J3.e eVar = (J3.e) this.f1071a;
        eVar.getClass();
        if (byteBuffer.remaining() < bArr2.length) {
            throw new IllegalArgumentException("Given ByteBuffer output is too small");
        }
        eVar.k(bArr, byteBuffer, ByteBuffer.wrap(bArr2));
        byteBuffer.position(iPosition);
        byteBuffer.limit(byteBuffer.limit() - 16);
        if (bArr3 == null) {
            bArr3 = new byte[0];
        }
        byte[] bArr4 = new byte[32];
        ((J3.e) this.f1072b).a(0, bArr).get(bArr4);
        byte[] bArrK = s7.d.k(bArr4, d(bArr3, byteBuffer));
        byteBuffer.limit(byteBuffer.limit() + 16);
        byteBuffer.put(bArrK);
    }

    public abstract int c();

    public abstract J3.e e(int i, byte[] bArr);

    public abstract void f(a aVar);

    public i(byte[] bArr) throws GeneralSecurityException {
        if (I1.a.b(1)) {
            this.f1071a = e(1, bArr);
            this.f1072b = e(0, bArr);
            return;
        }
        throw new GeneralSecurityException("Can not use ChaCha20Poly1305 in FIPS-mode.");
    }
}