/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package de.uhilger.httpserver.auth.realm;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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/**
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*
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* @author ulrich
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*/
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public class Encoder {
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private static final byte[] HEX_ARRAY = "0123456789ABCDEF".getBytes(StandardCharsets.US_ASCII);
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public byte[] encode(String password) throws NoSuchAlgorithmException {
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MessageDigest md = MessageDigest.getInstance("SHA-256");
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return md.digest(password.getBytes());
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}
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public String bytesToHex(byte[] bytes) {
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byte[] hexChars = new byte[bytes.length * 2];
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for (int j = 0; j < bytes.length; j++) {
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int v = bytes[j] & 0xFF;
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hexChars[j * 2] = HEX_ARRAY[v >>> 4];
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hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
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}
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return new String(hexChars, StandardCharsets.UTF_8);
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}
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}
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