package com.facetec.sdk;

import com.google.common.primitives.UnsignedBytes;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.pqc.jcajce.spec.McElieceCCA2KeyGenParameterSpec;

/* loaded from: classes.dex */
public final class bl {
    private static final char[] d = "0123456789ABCDEF".toCharArray();

    bl() {
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static String e(String str) throws Exception {
        return a(c(str.getBytes(StandardCharsets.UTF_8)));
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static byte[] d(String str) throws Exception {
        return c(str.getBytes(StandardCharsets.UTF_8));
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static byte[] c(byte[]... bArr) throws Exception {
        return MessageDigest.getInstance(McElieceCCA2KeyGenParameterSpec.SHA256).digest(a(bArr));
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static String e(byte[] bArr, String str) throws Exception {
        return a(c(bArr, str.getBytes(StandardCharsets.UTF_8)));
    }

    public static byte[] a(byte[] bArr, String str) throws Exception {
        return c(bArr, str.getBytes(StandardCharsets.UTF_8));
    }

    private static byte[] c(byte[] bArr, byte[]... bArr2) throws Exception {
        SecretKeySpec secretKeySpec = new SecretKeySpec(bArr, "HmacSHA256");
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(secretKeySpec);
        return mac.doFinal(a(bArr2));
    }

    private static byte[] a(byte[]... bArr) {
        int i = 0;
        for (byte[] bArr2 : bArr) {
            i += bArr2.length;
        }
        byte[] bArr3 = new byte[i];
        int i2 = 0;
        for (byte[] bArr4 : bArr) {
            System.arraycopy(bArr4, 0, bArr3, i2, bArr4.length);
            i2 += bArr4.length;
        }
        return bArr3;
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public static String a(byte[] bArr) {
        char[] cArr = new char[bArr.length << 1];
        for (int i = 0; i < bArr.length; i++) {
            byte b = bArr[i];
            int i2 = i << 1;
            char[] cArr2 = d;
            cArr[i2] = cArr2[(b & UnsignedBytes.MAX_VALUE) >>> 4];
            cArr[i2 + 1] = cArr2[b & 15];
        }
        return new String(cArr);
    }
}