Example usage for org.apache.commons.codec.binary Hex encodeHex

Introduction

In this page you can find the example usage for org.apache.commons.codec.binary Hex encodeHex.

Prototype

public static char[] encodeHex(byte[] data) 

Source Link

Document

Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.

Usage

From source file:net.sourceforge.subsonic.backend.service.LicenseGenerator.java

/**
 * Calculates the MD5 digest and returns the value as a 32 character hex string.
 *
 * @param s Data to digest.// w w  w.  j a va2 s  .c om
 * @return MD5 digest as a hex string.
 */
private String md5Hex(String s) {
    if (s == null) {
        return null;
    }

    try {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        return new String(Hex.encodeHex(md5.digest(s.getBytes("UTF-8"))));
    } catch (Exception x) {
        throw new RuntimeException(x.getMessage(), x);
    }
}

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From source file:net.sourceforge.subsonic.util.StringUtil.java

/**
* Encodes the given string by using the hexadecimal representation of its UTF-8 bytes.
*
* @param s The string to encode.//from  w  ww . ja  v a  2  s  .c o m
* @return The encoded string.
*/
public static String utf8HexEncode(String s) {
    if (s == null) {
        return null;
    }
    byte[] utf8;
    try {
        utf8 = s.getBytes(ENCODING_UTF8);
    } catch (UnsupportedEncodingException x) {
        throw new RuntimeException(x);
    }
    return String.valueOf(Hex.encodeHex(utf8));
}

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From source file:net.sourceforge.subsonic.util.StringUtil.java

/**
 * Calculates the MD5 digest and returns the value as a 32 character hex string.
 *
 * @param s Data to digest./*from   ww  w.  j  a v a2 s  .  c  o  m*/
 * @return MD5 digest as a hex string.
 */
public static String md5Hex(String s) {
    if (s == null) {
        return null;
    }

    try {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        return new String(Hex.encodeHex(md5.digest(s.getBytes(ENCODING_UTF8))));
    } catch (Exception x) {
        throw new RuntimeException(x.getMessage(), x);
    }
}

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From source file:net.sourceforge.vulcan.web.SignedRequestAuthorizationFilter.java

protected String hashRequestBody(HttpServletRequest request, SecretKey secretKey)
        throws IOException, ServletException {
    final byte[] result;
    try {/*from  ww  w  .j a  v a2  s  .co m*/
        final Mac mac = Mac.getInstance(algorithm);
        mac.init(secretKey);
        result = mac.doFinal(IOUtils.toByteArray(request.getInputStream()));
    } catch (NoSuchAlgorithmException e) {
        throw new ServletException(e);
    } catch (InvalidKeyException e) {
        throw new ServletException(e);
    }

    return new String(Hex.encodeHex(result));
}

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From source file:nl.b3p.kaartenbalie.core.server.User.java

public static String createCode() {
    Random rd = new Random();
    StringBuilder toBeHashedString = new StringBuilder();
    toBeHashedString.append((new Date()).toString());
    toBeHashedString.append(rd.nextLong());

    byte[] hash = null;
    try {/* w  w w.j  av  a2 s .  co  m*/
        MessageDigest md = MessageDigest.getInstance(KBConfiguration.MD_ALGORITHM);
        md.update(toBeHashedString.toString().getBytes(KBConfiguration.CHARSET));
        hash = md.digest();
    } catch (Exception ex) {
        log.info("Can not create hash (ignoring): " + ex.getLocalizedMessage());
        hash = toBeHashedString.toString().getBytes();
    }

    return new String(Hex.encodeHex(hash));
}

---

From source file:nl.knaw.dans.easy.sword2examples.Common.java

public static CloseableHttpResponse sendChunk(DigestInputStream dis, int size, String method, URI uri,
        String filename, String mimeType, CloseableHttpClient http, boolean inProgress) throws Exception {
    // System.out.println(String.format("Sending chunk to %s, filename = %s, chunk size = %d, MIME-Type = %s, In-Progress = %s ... ", uri.toString(),
    // filename, size, mimeType, Boolean.toString(inProgress)));
    byte[] chunk = readChunk(dis, size);
    String md5 = new String(Hex.encodeHex(dis.getMessageDigest().digest()));
    HttpUriRequest request = RequestBuilder.create(method).setUri(uri).setConfig(RequestConfig.custom()
            /*// w  ww  .  ja v  a  2 s . c  o m
             * When using an HTTPS-connection EXPECT-CONTINUE must be enabled, otherwise buffer overflow may follow
             */
            .setExpectContinueEnabled(true).build()) //
            .addHeader("Content-Disposition", String.format("attachment; filename=%s", filename)) //
            .addHeader("Content-MD5", md5) //
            .addHeader("Packaging", BAGIT_URI) //
            .addHeader("In-Progress", Boolean.toString(inProgress)) //
            .setEntity(new ByteArrayEntity(chunk, ContentType.create(mimeType))) //
            .build();
    CloseableHttpResponse response = http.execute(request);
    // System.out.println("Response received.");
    return response;
}

---

From source file:nl.sidn.dnslib.message.records.dnssec.DSResourceRecord.java

@Override
public void decode(NetworkData buffer) {
    super.decode(buffer);

    keytag = buffer.readUnsignedChar();//from  ww  w.  j  av  a2s .c om

    short alg = buffer.readUnsignedByte();
    algorithm = AlgorithmType.fromValue(alg);

    short dt = buffer.readUnsignedByte();
    digestType = DigestType.fromValue(dt);

    digest = new byte[rdLength - 4];
    buffer.readBytes(digest);

    hex = new String(Hex.encodeHex(digest));
}

---

From source file:nl.surfnet.coin.janus.JanusRestClient.java

/**
 * Sign the given method call.//from  w  ww .  j  a  va  2 s.  c o  m
 * 
 * @param method
 *          the name of the method to call
 * @param parameters
 *          additional parameters that need to be passed to Janus
 * @return URI with parameters janus_sig and janus_key
 * @throws IOException
 */
private URI sign(String method, Map<String, String> parameters) throws IOException {
    Map<String, String> keys = new TreeMap<String, String>();
    keys.put("janus_key", user);
    keys.put("method", method);

    keys.putAll(parameters);

    keys.put("rest", "1");
    keys.put("userid", user);
    Set<String> keySet = keys.keySet();
    StringBuilder toSign = new StringBuilder(secret);
    for (String key : keySet) {
        toSign.append(key);
        toSign.append(keys.get(key));
    }

    MessageDigest digest;
    try {
        digest = MessageDigest.getInstance("SHA-512");
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("Cannot use algorithm SHA-512", e);
    }
    digest.reset();
    final String charsetName = "UTF-8";
    byte[] input = digest.digest(toSign.toString().getBytes(charsetName));
    char[] value = Hex.encodeHex(input);
    String janus_sig = new String(value);
    keys.put("janus_sig", janus_sig);

    StringBuilder url = new StringBuilder();
    keySet = keys.keySet();
    for (String key : keySet) {
        if (url.length() > 0) {
            url.append('&');
        }
        url.append(key).append('=').append(URLEncoder.encode(keys.get(key), charsetName));
    }
    String uri = url.toString();
    return URI.create(janusUri + "?" + uri);
}

---

From source file:nl.tue.ddss.ifcrdf.model.IfcStepSerializer.java

private void writePrimitive(Resource val) throws IOException, SerializerException {
    if (isLogical(val)) {
        if (val.hasProperty(HASLOGICAL, EXPRESS_TRUE)) {
            print(BOOLEAN_TRUE);/*ww w  .  j ava  2 s  . c  o m*/
        } else if (val.hasProperty(HASLOGICAL, EXPRESS_FALSE)) {
            print(BOOLEAN_FALSE);
        } else if (val.hasProperty(HASLOGICAL, EXPRESS_UNDEFINED)) {
            print(BOOLEAN_UNDEFINED);
        }
    } else if (isReal(val) || isNumber(val)) {
        Double valDouble = val.getProperty(HASDOUBLE).getObject().asLiteral().getDouble();
        if ((valDouble).isInfinite() || ((valDouble).isNaN())) {
            LOGGER.info("Serializing infinite or NaN double as 0.0");
            print("0.0");
        } else {
            String string = valDouble.toString();
            if (string.endsWith(DOT_0)) {
                print(string.substring(0, string.length() - 1));
            } else {
                print(string);
            }
        }
    } else if (isInteger(val)) {
        Integer valInteger = val.getProperty(HASINTEGER).getObject().asLiteral().getInt();
        String string = valInteger.toString();
        if (string.endsWith(DOT_0)) {
            print(string.substring(0, string.length() - 2));
        } else {
            print(string);
        }
    } else if (isBoolean(val)) {
        if (val.hasLiteral(HASBOOLEAN, true)) {
            print(BOOLEAN_TRUE);
        } else if (val.hasLiteral(HASBOOLEAN, false)) {
            print(BOOLEAN_FALSE);
        }
    } else if (isString(val)) {
        print(SINGLE_QUOTE);
        String stringVal = val.getProperty(HASSTRING).getObject().asLiteral().getString();
        for (int i = 0; i < stringVal.length(); i++) {
            char c = stringVal.charAt(i);
            if (c == '\'') {
                print("\'\'");
            } else if (c == '\\') {
                print("\\\\");
            } else if (c >= 32 && c <= 126) {
                // ISO 8859-1
                print("" + c);
            } else if (c < 255) {
                // ISO 10646 and ISO 8859-1 are the same < 255 , using
                // ISO_8859_1
                print("\\X\\" + new String(Hex.encodeHex(
                        Charsets.ISO_8859_1.encode(CharBuffer.wrap(new char[] { (char) c })).array()))
                                .toUpperCase());
            } else {
                if (useIso8859_1) {
                    // ISO 8859-1 with -128 offset
                    ByteBuffer encode = Charsets.ISO_8859_1.encode(new String(new char[] { (char) (c - 128) }));
                    print("\\S\\" + (char) encode.get());
                } else {
                    // The following code has not been tested (2012-04-25)
                    // Use UCS-2 or UCS-4

                    // TODO when multiple sequential characters should be
                    // encoded in UCS-2 or UCS-4, we don't really need to
                    // add all those \X0\ \X2\ and \X4\ chars
                    if (Character.isLowSurrogate(c)) {
                        throw new SerializerException("Unexpected low surrogate range char");
                    } else if (Character.isHighSurrogate(c)) {
                        // We need UCS-4, this is probably never happening
                        if (i + 1 < stringVal.length()) {
                            char low = stringVal.charAt(i + 1);
                            if (!Character.isLowSurrogate(low)) {
                                throw new SerializerException(
                                        "High surrogate char should be followed by char in low surrogate range");
                            }
                            try {
                                print("\\X4\\" + new String(Hex.encodeHex(Charset.forName("UTF-32")
                                        .encode(new String(new char[] { c, low })).array())).toUpperCase()
                                        + "\\X0\\");
                            } catch (UnsupportedCharsetException e) {
                                throw new SerializerException(e);
                            }
                            i++;
                        } else {
                            throw new SerializerException(
                                    "High surrogate char should be followed by char in low surrogate range, but end of string reached");
                        }
                    } else {
                        // UCS-2 will do
                        print("\\X2\\" + new String(Hex
                                .encodeHex(Charsets.UTF_16BE.encode(CharBuffer.wrap(new char[] { c })).array()))
                                        .toUpperCase()
                                + "\\X0\\");
                    }
                }
            }
        }
        print(SINGLE_QUOTE);
    } else if (isEnumeration(val)) {
        String enumVal = val.getLocalName();
        print("." + enumVal + ".");
    } else {
        print(val == null ? "$" : val.toString());
    }
}

---

From source file:no.kantega.kwashc.server.test.InsecureCryptographicStorageTest.java

private String generateHash(String algorithm, String password) {

    try {/*from   w  w  w . j a va2  s  . c om*/
        final MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
        messageDigest.reset();
        messageDigest.update(password.getBytes(Charset.forName("UTF8")));
        final byte[] resultByte = messageDigest.digest();
        return new String(Hex.encodeHex(resultByte));
    } catch (NoSuchAlgorithmException e) {
        //
        return "";
    }
}

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