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

package o;

import android.os.Build;
import android.util.Base64;
import com.huawei.hms.android.HwBuildEx;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.security.InvalidKeyException;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;

/* loaded from: classes.dex */
public final class fOS {
    private static AtomicBoolean e = new AtomicBoolean(false);

    public static LWm e(String str) throws InvalidKeyException {
        String[] split = str.split(":");
        if (split.length != 2) {
            throw new IllegalArgumentException("Cannot parse aesKey:hmacKey");
        }
        byte[] decode = Base64.decode(split[0], 2);
        if (decode.length != 16) {
            throw new InvalidKeyException("Base64 decoded key is not 128 bytes");
        }
        byte[] decode2 = Base64.decode(split[1], 2);
        if (decode2.length != 32) {
            throw new InvalidKeyException("Base64 decoded key is not 256 bytes");
        }
        return new LWm(new SecretKeySpec(decode, 0, decode.length, "AES"), new SecretKeySpec(decode2, "HmacSHA256"));
    }

    public static LWm c() throws GeneralSecurityException {
        a();
        KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
        keyGenerator.init(128);
        return new LWm(keyGenerator.generateKey(), new SecretKeySpec(a(32), "HmacSHA256"));
    }

    public static LWm d(String str, byte[] bArr, int i) throws GeneralSecurityException {
        a();
        byte[] encoded = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1").generateSecret(new PBEKeySpec(str.toCharArray(), bArr, HwBuildEx.VersionCodes.CUR_DEVELOPMENT, 384)).getEncoded();
        byte[] bArr2 = new byte[16];
        System.arraycopy(encoded, 0, bArr2, 0, 16);
        byte[] bArr3 = new byte[32];
        System.arraycopy(encoded, 16, bArr3, 0, 32);
        return new LWm(new SecretKeySpec(bArr2, "AES"), new SecretKeySpec(bArr3, "HmacSHA256"));
    }

    private static byte[] a(int i) throws GeneralSecurityException {
        a();
        byte[] bArr = new byte[i];
        new SecureRandom().nextBytes(bArr);
        return bArr;
    }

    public static RVV d(String str, LWm lWm) throws UnsupportedEncodingException, GeneralSecurityException {
        byte[] bytes = str.getBytes("UTF-8");
        byte[] a = a(16);
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
        cipher.init(1, lWm.a, new IvParameterSpec(a));
        byte[] iv = cipher.getIV();
        byte[] doFinal = cipher.doFinal(bytes);
        byte[] bArr = new byte[iv.length + doFinal.length];
        System.arraycopy(iv, 0, bArr, 0, iv.length);
        System.arraycopy(doFinal, 0, bArr, iv.length, doFinal.length);
        SecretKey secretKey = lWm.e;
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(secretKey);
        return new RVV(doFinal, iv, mac.doFinal(bArr));
    }

    private static void a() {
        AtomicBoolean atomicBoolean = e;
        if (atomicBoolean.get()) {
            return;
        }
        synchronized (Sts.class) {
            if (!atomicBoolean.get()) {
                Sts.e();
                atomicBoolean.set(true);
            }
        }
    }

    /* loaded from: classes.dex */
    public static class LWm {
        SecretKey a;
        SecretKey e;

        public LWm(SecretKey secretKey, SecretKey secretKey2) {
            this.a = secretKey;
            this.e = secretKey2;
        }

        public final String toString() {
            StringBuilder sb = new StringBuilder();
            sb.append(Base64.encodeToString(this.a.getEncoded(), 2));
            sb.append(":");
            sb.append(Base64.encodeToString(this.e.getEncoded(), 2));
            return sb.toString();
        }

        public final int hashCode() {
            return ((this.a.hashCode() + 31) * 31) + this.e.hashCode();
        }

        public final boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (obj == null || getClass() != obj.getClass()) {
                return false;
            }
            LWm lWm = (LWm) obj;
            return this.e.equals(lWm.e) && this.a.equals(lWm.a);
        }
    }

    /* loaded from: classes.dex */
    public static class RVV {
        final byte[] c;
        final byte[] d;
        final byte[] e;

        public RVV(byte[] bArr, byte[] bArr2, byte[] bArr3) {
            byte[] bArr4 = new byte[bArr.length];
            this.d = bArr4;
            System.arraycopy(bArr, 0, bArr4, 0, bArr.length);
            byte[] bArr5 = new byte[bArr2.length];
            this.c = bArr5;
            System.arraycopy(bArr2, 0, bArr5, 0, bArr2.length);
            byte[] bArr6 = new byte[bArr3.length];
            this.e = bArr6;
            System.arraycopy(bArr3, 0, bArr6, 0, bArr3.length);
        }

        public RVV(String str) {
            String[] split = str.split(":");
            if (split.length != 3) {
                throw new IllegalArgumentException("Cannot parse iv:ciphertext:mac");
            }
            this.c = Base64.decode(split[0], 2);
            this.e = Base64.decode(split[1], 2);
            this.d = Base64.decode(split[2], 2);
        }

        public final String toString() {
            String encodeToString = Base64.encodeToString(this.c, 2);
            String encodeToString2 = Base64.encodeToString(this.d, 2);
            String encodeToString3 = Base64.encodeToString(this.e, 2);
            StringBuilder sb = new StringBuilder();
            sb.append(encodeToString);
            sb.append(":");
            sb.append(encodeToString3);
            sb.append(":");
            sb.append(encodeToString2);
            return String.format(sb.toString(), new Object[0]);
        }

        public final int hashCode() {
            int hashCode = Arrays.hashCode(this.d);
            return ((((hashCode + 31) * 31) + Arrays.hashCode(this.c)) * 31) + Arrays.hashCode(this.e);
        }

        public final boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (obj == null || getClass() != obj.getClass()) {
                return false;
            }
            RVV rvv = (RVV) obj;
            return Arrays.equals(this.d, rvv.d) && Arrays.equals(this.c, rvv.c) && Arrays.equals(this.e, rvv.e);
        }
    }

    /* loaded from: classes.dex */
    public static final class Sts {
        public static void e() {
        }

        static {
            d();
        }

        private Sts() {
        }

        private static String a() {
            try {
                return (String) Build.class.getField("SERIAL").get(null);
            } catch (Exception unused) {
                return null;
            }
        }

        private static byte[] d() {
            StringBuilder sb = new StringBuilder();
            String str = Build.FINGERPRINT;
            if (str != null) {
                sb.append(str);
            }
            String a = a();
            if (a != null) {
                sb.append(a);
            }
            try {
                return sb.toString().getBytes("UTF-8");
            } catch (UnsupportedEncodingException unused) {
                throw new RuntimeException("UTF-8 encoding not supported");
            }
        }
    }

    private static byte[] c(RVV rvv, LWm lWm) throws GeneralSecurityException {
        byte[] bArr = rvv.c;
        byte[] bArr2 = rvv.d;
        byte[] bArr3 = new byte[bArr.length + bArr2.length];
        System.arraycopy(bArr, 0, bArr3, 0, bArr.length);
        System.arraycopy(bArr2, 0, bArr3, bArr.length, bArr2.length);
        SecretKey secretKey = lWm.e;
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(secretKey);
        byte[] doFinal = mac.doFinal(bArr3);
        byte[] bArr4 = rvv.e;
        if (doFinal.length == bArr4.length) {
            int i = 0;
            for (int i2 = 0; i2 < doFinal.length; i2++) {
                i |= doFinal[i2] ^ bArr4[i2];
            }
            if (i == 0) {
                Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
                cipher.init(2, lWm.a, new IvParameterSpec(rvv.c));
                return cipher.doFinal(rvv.d);
            }
        }
        throw new GeneralSecurityException("MAC stored in civ does not match computed MAC.");
    }

    public static String d(RVV rvv, LWm lWm) throws UnsupportedEncodingException, GeneralSecurityException {
        return new String(c(rvv, lWm), "UTF-8");
    }
}