75 lines
2.5 KiB
Java
75 lines
2.5 KiB
Java
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package com.facetec.sdk;
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import com.google.common.primitives.UnsignedBytes;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import org.bouncycastle.pqc.jcajce.spec.McElieceCCA2KeyGenParameterSpec;
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/* loaded from: classes.dex */
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public final class bl {
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private static final char[] d = "0123456789ABCDEF".toCharArray();
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bl() {
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static String e(String str) throws Exception {
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return a(c(str.getBytes(StandardCharsets.UTF_8)));
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static byte[] d(String str) throws Exception {
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return c(str.getBytes(StandardCharsets.UTF_8));
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static byte[] c(byte[]... bArr) throws Exception {
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return MessageDigest.getInstance(McElieceCCA2KeyGenParameterSpec.SHA256).digest(a(bArr));
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static String e(byte[] bArr, String str) throws Exception {
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return a(c(bArr, str.getBytes(StandardCharsets.UTF_8)));
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}
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public static byte[] a(byte[] bArr, String str) throws Exception {
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return c(bArr, str.getBytes(StandardCharsets.UTF_8));
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}
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private static byte[] c(byte[] bArr, byte[]... bArr2) throws Exception {
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SecretKeySpec secretKeySpec = new SecretKeySpec(bArr, "HmacSHA256");
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Mac mac = Mac.getInstance("HmacSHA256");
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mac.init(secretKeySpec);
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return mac.doFinal(a(bArr2));
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}
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private static byte[] a(byte[]... bArr) {
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int i = 0;
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for (byte[] bArr2 : bArr) {
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i += bArr2.length;
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}
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byte[] bArr3 = new byte[i];
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int i2 = 0;
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for (byte[] bArr4 : bArr) {
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System.arraycopy(bArr4, 0, bArr3, i2, bArr4.length);
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i2 += bArr4.length;
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}
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return bArr3;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static String a(byte[] bArr) {
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char[] cArr = new char[bArr.length << 1];
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for (int i = 0; i < bArr.length; i++) {
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byte b = bArr[i];
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int i2 = i << 1;
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char[] cArr2 = d;
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cArr[i2] = cArr2[(b & UnsignedBytes.MAX_VALUE) >>> 4];
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cArr[i2 + 1] = cArr2[b & 15];
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}
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return new String(cArr);
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}
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}
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