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

Introduction

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

Prototype

public static String encodeHexString(byte[] data) 

Source Link

Document

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

Usage

From source file:eu.europa.esig.dss.cades.signature.CadesLevelBaselineLTATimestampExtractor.java

/**
 * The field certificatesHashIndex is a sequence of octet strings. Each one contains the hash value of one
 * instance of CertificateChoices within certificates field of the root SignedData. A hash value for
 * every instance of CertificateChoices, as present at the time when the corresponding archive time-stamp is
 * requested, shall be included in certificatesHashIndex. No other hash value shall be included in this field.
 *
 * @return//from  ww  w .  jav a2  s . c o m
 * @throws eu.europa.esig.dss.DSSException
 */
private ASN1Sequence getCertificatesHashIndex() throws DSSException {

    final ASN1EncodableVector certificatesHashIndexVector = new ASN1EncodableVector();

    final List<CertificateToken> certificateTokens = cadesSignature.getCertificates();
    for (final CertificateToken certificateToken : certificateTokens) {
        final byte[] encodedCertificate = certificateToken.getEncoded();
        final byte[] digest = DSSUtils.digest(hashIndexDigestAlgorithm, encodedCertificate);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Adding to CertificatesHashIndex DSS-Identifier: {} with hash {}",
                    certificateToken.getDSSId(), Hex.encodeHexString(digest));
        }
        final DEROctetString derOctetStringDigest = new DEROctetString(digest);
        certificatesHashIndexVector.add(derOctetStringDigest);
    }
    return new DERSequence(certificatesHashIndexVector);
}

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From source file:com.aoppp.gatewaysdk.internal.hw.DigestUtils2.java

/**
 * Calculates the MD5 digest and returns the value as a 32 character hex string.
 *
 * @param data/*from   w w  w.  ja va2s  .  c  o m*/
 *            Data to digest
 * @return MD5 digest as a hex string
 */
public static String md5Hex(final byte[] data) {
    return Hex.encodeHexString(md5(data));
}

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From source file:com.continusec.client.VerifiableMap.java

/**
 * Set the value for a given key in the map. Calling this has the effect of adding a mutation to the
 * mutation log for the map, which then reflects in the root hash for the map. This occurs asynchronously.
 * @param key the key to set./*  w ww  .j  a  va  2 s . co  m*/
 * @param e the entry to set to key to. Typically one of {@link RawDataEntry}, {@link JsonEntry} or {@link RedactableJsonEntry}.
 * @return add entry response, which includes the Merkle Tree Leaf hash of the mutation log entry added.
 * @throws ContinusecException upon error
 */
public AddEntryResponse set(byte[] key, UploadableEntry e) throws ContinusecException {
    try {
        JsonObject j = new JsonParser().parse(new String(
                this.client.makeRequest("PUT", this.path + "/key/h/" + Hex.encodeHexString(key) + e.getFormat(),
                        e.getDataForUpload(), null).data,
                "UTF-8")).getAsJsonObject();
        return new AddEntryResponse(Base64.decodeBase64(j.get("leaf_hash").getAsString()));
    } catch (UnsupportedEncodingException e1) {
        throw new ContinusecException(e1);
    }
}

---

From source file:eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.java

private PDSignature createSignatureDictionary(final PAdESSignatureParameters parameters) {

    final PDSignature signature = new PDSignature();
    signature.setType(getType());/*from  w  ww .ja va  2s  . co m*/
    //      signature.setName(String.format("SD-DSS Signature %s", parameters.getDeterministicId()));
    Date date = parameters.bLevel().getSigningDate();
    String encodedDate = " " + Hex
            .encodeHexString(DSSUtils.digest(DigestAlgorithm.SHA1, Long.toString(date.getTime()).getBytes()));
    CertificateToken token = parameters.getSigningCertificate();
    if (token == null) {
        signature.setName("Unknown signer" + encodedDate);
    } else {
        if (parameters.getSigningCertificate().getSubjectShortName() != null) {
            String shortName = parameters.getSigningCertificate().getSubjectShortName() + encodedDate;
            signature.setName(shortName);
        } else {
            signature.setName("Unknown signer" + encodedDate);
        }
    }

    signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE); // default filter
    // sub-filter for basic and PAdES Part 2 signatures
    signature.setSubFilter(getSubFilter());

    if (COSName.SIG.equals(getType())) {
        if (StringUtils.isNotEmpty(parameters.getContactInfo())) {
            signature.setContactInfo(parameters.getContactInfo());
        }

        if (StringUtils.isNotEmpty(parameters.getLocation())) {
            signature.setLocation(parameters.getLocation());
        }

        if (StringUtils.isNotEmpty(parameters.getReason())) {
            signature.setReason(parameters.getReason());
        }
    }

    // the signing date, needed for valid signature
    final Calendar cal = Calendar.getInstance();
    final Date signingDate = parameters.bLevel().getSigningDate();
    cal.setTime(signingDate);
    signature.setSignDate(cal);
    return signature;
}

---

From source file:com.github.axet.androidlibrary.crypto.RipeMD160.java

public boolean selfTest() {
    if (valid == null) {
        String d = Hex.encodeHexString(new RipeMD160().digest());
        valid = Boolean.valueOf(DIGEST0.equals(d));
    }/*from   www. j  a v a 2  s .c o m*/
    return valid.booleanValue();
}

---

From source file:eu.europa.ec.markt.dss.validation.pades.PAdESSignature.java

@Override
public String getId() {
    try {/*from   ww w.ja  v  a2s. co m*/

        MessageDigest digest = MessageDigest.getInstance("MD5");
        if (getSigningTime() != null) {
            digest.update(Long.toString(getSigningTime().getTime()).getBytes());
        }
        digest.update(getSigningCertificate().getEncoded());
        return Hex.encodeHexString(digest.digest());
    } catch (Exception e) {

        throw new RuntimeException(e);
    }
}

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From source file:libepg.epg.section.body.networkinformationtable.NetworkInformationTableBody.java

/**
 * transport_stream_loop_length????CRC_32
 * ????????????? 12 ???//from  ww w  .ja v a2s  .c om
 * @return ?
 */
public synchronized int getTransport_stream_loop_length() {
    byte[] t = new byte[2];
    System.arraycopy(this.getData(), 5 + this.getDescriptors_loop_length() + 1 + 1, t, 0, t.length);
    int it = ByteConverter.bytesToInt(t);
    it = it & 0x0FFF;
    LOG.trace(Hex.encodeHexString(t) + " -> " + Integer.toHexString(it));
    return it;
}

---

From source file:com.aoppp.gatewaysdk.internal.hw.DigestUtils2.java

/**
 * Calculates the MD5 digest and returns the value as a 32 character hex string.
 *
 * @param data/* w  ww  . j av  a  2 s  . com*/
 *            Data to digest
 * @return MD5 digest as a hex string
 * @throws IOException
 *             On error reading from the stream
 * @since 1.4
 */
public static String md5Hex(final InputStream data) throws IOException {
    return Hex.encodeHexString(md5(data));
}

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From source file:com.oculusinfo.factory.ConfigurableFactory.java

/**
 * Return a SHA-256 hexcode representing the state of the configuration
 * @return String representing the hexcode SHA-256 hash of the configuration state
 *///w  w  w.  ja  v  a2  s. c o m
public String generateSHA256() {
    try {
        String propertyString = getFactoryString();
        // generate SHA-256 from the string
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(propertyString.getBytes("UTF-8"));
        byte[] digest = md.digest();
        // convert SHA-256 bytes to hex string
        return Hex.encodeHexString(digest);
    } catch (Exception e) {
        LOGGER.warn("Error registering configuration to SHA", e);
        return "";
    }
}

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From source file:libepg.ts.reader.Reader2.java

/**
 * ??????<br>/*w  w  w . j a  v  a  2 s.  c  om*/
 * 1:???????????1??????<br>
 * 2:?????????????<br>
 * 3:??????1??????<br>
 * ???????????<br>
 * 4:1?<br>
 *
 * @return ???
 */
public synchronized List<TsPacket> getPackets() {
    ByteBuffer packetBuffer = ByteBuffer.allocate(TsPacket.TS_PACKET_BYTE_LENGTH.PACKET_LENGTH.getByteLength());
    byte[] byteData = new byte[1];

    //?
    List<TsPacket> packets = new ArrayList<>();

    FileInputStream fis = null;
    PushbackInputStream pis = null;
    try {

        fis = new FileInputStream(this.TSFile);
        pis = new PushbackInputStream(fis);

        boolean tipOfPacket = false;//?

        long count = 0;

        //??????1??????
        while (pis.read(byteData) != EOF) {

            //???????????????
            if ((byteData[0] == TsPacket.TS_SYNC_BYTE) && (tipOfPacket == false)) {
                tipOfPacket = true;
                if (LOG.isTraceEnabled() && NOT_DETERRENT_READ_TRACE_LOG) {
                    LOG.trace(
                            "???????????1????");
                }
                pis.unread(byteData);
            }

            if (tipOfPacket == true) {
                byte[] tsPacketData = new byte[TsPacket.TS_PACKET_BYTE_LENGTH.PACKET_LENGTH.getByteLength()];
                if (pis.read(tsPacketData) != EOF) {
                    if (LOG.isTraceEnabled() && NOT_DETERRENT_READ_TRACE_LOG) {
                        LOG.trace(
                                "??????????????");
                    }
                    packetBuffer.put(tsPacketData);
                } else {
                    break;
                }
            }

            if (packetBuffer.remaining() == 0) {
                byte[] BeforeCutDown = packetBuffer.array();
                byte[] AfterCutDown = new byte[packetBuffer.position()];
                System.arraycopy(BeforeCutDown, 0, AfterCutDown, 0, AfterCutDown.length);

                //??????????
                TsPacket tsp = new TsPacket(AfterCutDown);

                //                        LOG.debug(Hex.encodeHexString(tsp.getData()));
                if (LOG.isTraceEnabled() && NOT_DETERRENT_READ_TRACE_LOG) {
                    LOG.trace(
                            "1???????? ");
                    LOG.trace(tsp.toString());
                }

                if (tsp.getTransport_error_indicator() != 0) {
                    if (LOG.isWarnEnabled()) {
                        LOG.warn(
                                "??1????????????????????");
                        LOG.warn(tsp);
                        LOG.warn(TSFile);
                    }
                    tipOfPacket = false;
                } else {
                    packets.add(tsp);
                    count++;
                }
                packetBuffer.clear();
                tipOfPacket = false;

                if (this.readLimit != null && count >= this.readLimit) {
                    if (LOG.isInfoEnabled()) {
                        LOG.info(
                                "????????????? ?? = "
                                        + this.readLimit);
                    }
                    break;
                }
            }

        }
        if (LOG.isTraceEnabled() && NOT_DETERRENT_READ_TRACE_LOG) {
            LOG.trace("?????????");
            LOG.trace(" = " + Hex.encodeHexString(packetBuffer.array()));
        }

        pis.close();
        fis.close();
        LOG.info("??? = " + count);

    } catch (FileNotFoundException e) {
        LOG.fatal("?????", e);
    } catch (IOException e) {
        LOG.fatal("???", e);
    }
    return Collections.unmodifiableList(packets);
}

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