what-the-bank/sources/o/rWh.java

package o;

import com.google.common.base.Ascii;
import java.security.GeneralSecurityException;
import java.security.InvalidKeyException;
import java.util.Arrays;
import java.util.Collection;
import javax.crypto.AEADBadTagException;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import o.uAf;

/* loaded from: classes2.dex */
public final class rWh implements GHh {
    private static uAf.RVV a = uAf.RVV.ALGORITHM_NOT_FIPS;
    private static final Collection<Integer> c = Arrays.asList(64);
    private static final byte[] d = new byte[16];
    private final byte[] b;
    private final C17618yNf e;

    public rWh(byte[] bArr) throws GeneralSecurityException {
        if (!a.d()) {
            throw new GeneralSecurityException("Can not use AES-SIV in FIPS-mode.");
        }
        if (!c.contains(Integer.valueOf(bArr.length))) {
            StringBuilder sb = new StringBuilder("invalid key size: ");
            sb.append(bArr.length);
            sb.append(" bytes; key must have 64 bytes");
            throw new InvalidKeyException(sb.toString());
        }
        byte[] copyOfRange = Arrays.copyOfRange(bArr, 0, bArr.length / 2);
        this.b = Arrays.copyOfRange(bArr, bArr.length / 2, bArr.length);
        this.e = new C17618yNf(copyOfRange);
    }

    private byte[] c(byte[]... bArr) throws GeneralSecurityException {
        byte[] c2;
        int length = bArr.length;
        byte[] c3 = this.e.c(d, 16);
        int i = 0;
        while (true) {
            int length2 = bArr.length;
            if (i <= 0) {
                byte[] bArr2 = bArr[0];
                if (bArr2 == null) {
                    bArr2 = new byte[0];
                }
                byte[] c4 = UKk.c(c3);
                byte[] c5 = this.e.c(bArr2, 16);
                if (c4.length != c5.length) {
                    throw new IllegalArgumentException("The lengths of x and y should match.");
                }
                c3 = vil.c(c4, 0, c5, 0, c4.length);
                i++;
            } else {
                int length3 = bArr.length;
                byte[] bArr3 = bArr[1];
                if (bArr3.length >= 16) {
                    if (bArr3.length < c3.length) {
                        throw new IllegalArgumentException("xorEnd requires a.length >= b.length");
                    }
                    int length4 = bArr3.length;
                    int length5 = c3.length;
                    c2 = Arrays.copyOf(bArr3, bArr3.length);
                    for (int i2 = 0; i2 < c3.length; i2++) {
                        int i3 = (length4 - length5) + i2;
                        c2[i3] = (byte) (c2[i3] ^ c3[i2]);
                    }
                } else {
                    if (bArr3.length >= 16) {
                        throw new IllegalArgumentException("x must be smaller than a block.");
                    }
                    byte[] copyOf = Arrays.copyOf(bArr3, 16);
                    copyOf[bArr3.length] = Byte.MIN_VALUE;
                    byte[] c6 = UKk.c(c3);
                    if (copyOf.length != c6.length) {
                        throw new IllegalArgumentException("The lengths of x and y should match.");
                    }
                    c2 = vil.c(copyOf, 0, c6, 0, copyOf.length);
                }
                return this.e.c(c2, 16);
            }
        }
    }

    @Override // o.GHh
    public final byte[] e(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
        if (bArr.length > 2147483631) {
            throw new GeneralSecurityException("plaintext too long");
        }
        Cipher e = YYT.a.e("AES/CTR/NoPadding");
        byte[] c2 = c(bArr2, bArr);
        byte[] bArr3 = (byte[]) c2.clone();
        bArr3[8] = (byte) (bArr3[8] & Ascii.DEL);
        bArr3[12] = (byte) (bArr3[12] & Ascii.DEL);
        e.init(1, new SecretKeySpec(this.b, "AES"), new IvParameterSpec(bArr3));
        return vil.a(c2, e.doFinal(bArr));
    }

    @Override // o.GHh
    public final byte[] a(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
        if (bArr.length < 16) {
            throw new GeneralSecurityException("Ciphertext too short.");
        }
        Cipher e = YYT.a.e("AES/CTR/NoPadding");
        byte[] copyOfRange = Arrays.copyOfRange(bArr, 0, 16);
        byte[] bArr3 = (byte[]) copyOfRange.clone();
        bArr3[8] = (byte) (bArr3[8] & Ascii.DEL);
        bArr3[12] = (byte) (bArr3[12] & Ascii.DEL);
        e.init(2, new SecretKeySpec(this.b, "AES"), new IvParameterSpec(bArr3));
        byte[] copyOfRange2 = Arrays.copyOfRange(bArr, 16, bArr.length);
        byte[] doFinal = e.doFinal(copyOfRange2);
        if (copyOfRange2.length == 0 && doFinal == null && "The Android Project".equals(System.getProperty("java.vendor"))) {
            doFinal = new byte[0];
        }
        if (vil.d(copyOfRange, c(bArr2, doFinal))) {
            return doFinal;
        }
        throw new AEADBadTagException("Integrity check failed.");
    }
}