Example usage for com.google.common.hash Hashing sha256

List of usage examples for com.google.common.hash Hashing sha256

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Introduction

In this page you can find the example usage for com.google.common.hash Hashing sha256.

Prototype

public static HashFunction sha256()

Source Link

Document

Returns a hash function implementing the SHA-256 algorithm (256 hash bits) by delegating to the SHA-256 MessageDigest .

Usage

From source file:org.sonatype.nexus.yum.internal.MetadataProcessor.java

/**
 * Store primary.xml and update content of repomd.xml accordingly.
 *
 * @param repository  repository containing primary.xml/repomd.xml
 * @param repoMDDoc   parsed repomd.xml//from  www.  j  a  v  a 2  s .  c  om
 * @param primaryPath path of primary.xml
 * @return true if repomd.xml changed
 */
private static boolean updatePrimaryInRepoMD(final Repository repository, final Document repoMDDoc,
        final String primaryPath) throws Exception {
    XPath xPath = XPathFactory.newInstance().newXPath();
    String primaryHref = xPath.compile("/repomd/data[@type='primary']/location/@href").evaluate(repoMDDoc);

    if (!Objects.equals(primaryPath, primaryHref)) {
        log.debug("Updating 'primary' data entry in {}:repomd.xml", repository.getId());

        Element primaryEl = (Element) xPath.compile("/repomd/data[@type='primary']").evaluate(repoMDDoc, NODE);

        StorageFileItem primaryItem = (StorageFileItem) repository.retrieveItem(false,
                new ResourceStoreRequest("/" + primaryPath));
        try (InputStream in = primaryItem.getInputStream();
                CountingInputStream cis = new CountingInputStream(
                        new GZIPInputStream(new BufferedInputStream(in)))) {
            HashCode checksum = Hashes.hash(Hashing.sha256(), cis);
            primaryEl.getElementsByTagName("open-checksum").item(0).setTextContent(checksum.toString());
            primaryEl.getElementsByTagName("open-size").item(0).setTextContent(String.valueOf(cis.getCount()));
        }

        primaryItem = (StorageFileItem) repository.retrieveItem(false,
                new ResourceStoreRequest("/" + primaryPath));
        try (InputStream in = primaryItem.getInputStream();
                CountingInputStream cis = new CountingInputStream(new BufferedInputStream(in))) {
            HashCode checksum = Hashes.hash(Hashing.sha256(), cis);
            primaryEl.getElementsByTagName("checksum").item(0).setTextContent(checksum.toString());
            primaryEl.getElementsByTagName("size").item(0).setTextContent(String.valueOf(cis.getCount()));
        }

        ((Element) primaryEl.getElementsByTagName("location").item(0)).setAttribute("href", primaryPath);

        return true;
    }
    return false;
}

From source file:com.facebook.presto.bloomfilter.BloomFilter.java

public Slice serialize() {
    byte[] bytes = new byte[0];
    byte[] bytesPre = new byte[0];
    try {/*from   w  w  w . ja v a  2s .c  o  m*/
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput output = new ObjectOutputStream(buffer);
        output.writeObject(instance);
        bytes = buffer.toByteArray();

        ByteArrayOutputStream bufferPre = new ByteArrayOutputStream();
        ObjectOutput outputPre = new ObjectOutputStream(bufferPre);
        outputPre.writeObject(instancePreFilter);
        bytesPre = bufferPre.toByteArray();
    } catch (Exception ix) {
        log.error(ix);
    }

    // Create hash
    byte[] bfHash = Hashing.sha256().hashBytes(bytes).asBytes();

    // Compress
    byte[] compressed;
    try {
        compressed = compress(bytes);
    } catch (IOException ix) {
        log.error(ix);
        compressed = new byte[0];
    }
    int size = compressed.length;

    // Compress
    byte[] compressedPre;
    try {
        compressedPre = compress(bytesPre);
    } catch (IOException ix) {
        log.error(ix);
        compressedPre = new byte[0];
    }
    int sizePre = compressedPre.length;

    // To slice
    DynamicSliceOutput output = new DynamicSliceOutput(size);

    // Write hash
    output.writeBytes(bfHash); // 32 bytes

    // Write the length of the bloom filter
    output.appendInt(size);

    // Write the length of the pre bloom filter
    output.appendInt(sizePre);

    // Params
    output.appendInt(expectedInsertions);
    output.appendDouble(falsePositivePercentage);

    // Write the bloom filter
    output.appendBytes(compressed);

    // Write the bloom filter
    output.appendBytes(compressedPre);

    return output.slice();
}

From source file:net.pterodactylus.sone.data.AlbumImpl.java

@Override
public String getFingerprint() {
    Hasher hash = Hashing.sha256().newHasher();
    hash.putString("Album(");
    hash.putString("ID(").putString(id).putString(")");
    hash.putString("Title(").putString(title).putString(")");
    hash.putString("Description(").putString(description).putString(")");
    if (albumImage != null) {
        hash.putString("AlbumImage(").putString(albumImage).putString(")");
    }/*from ww w .  ja  v  a 2  s. co m*/

    /* add nested albums. */
    hash.putString("Albums(");
    for (Album album : albums) {
        hash.putString(album.getFingerprint());
    }
    hash.putString(")");

    /* add images. */
    hash.putString("Images(");
    for (Image image : getImages()) {
        if (image.isInserted()) {
            hash.putString(image.getFingerprint());
        }
    }
    hash.putString(")");

    hash.putString(")");
    return hash.hash().toString();
}

From source file:net.pterodactylus.sone.data.Profile.java

/**
 * {@inheritDoc}/*from   ww  w  . ja v a  2  s.  c o m*/
 */
@Override
public String getFingerprint() {
    Hasher hash = Hashing.sha256().newHasher();
    hash.putString("Profile(");
    if (firstName != null) {
        hash.putString("FirstName(").putString(firstName).putString(")");
    }
    if (middleName != null) {
        hash.putString("MiddleName(").putString(middleName).putString(")");
    }
    if (lastName != null) {
        hash.putString("LastName(").putString(lastName).putString(")");
    }
    if (birthDay != null) {
        hash.putString("BirthDay(").putInt(birthDay).putString(")");
    }
    if (birthMonth != null) {
        hash.putString("BirthMonth(").putInt(birthMonth).putString(")");
    }
    if (birthYear != null) {
        hash.putString("BirthYear(").putInt(birthYear).putString(")");
    }
    if (avatar != null) {
        hash.putString("Avatar(").putString(avatar).putString(")");
    }
    hash.putString("ContactInformation(");
    for (Field field : fields) {
        hash.putString(field.getName()).putString("(").putString(field.getValue()).putString(")");
    }
    hash.putString(")");
    hash.putString(")");

    return hash.hash().toString();
}

From source file:io.dockstore.webservice.resources.TokenResource.java

@GET
@Timed/*from w  w  w.  ja v  a 2 s.c om*/
@UnitOfWork
@Path("/github.com")
@ApiOperation(value = "Add a new github.com token, used by quay.io redirect", notes = "This is used as part of the OAuth 2 web flow. "
        + "Once a user has approved permissions for Collaboratory"
        + "Their browser will load the redirect URI which should resolve here", response = Token.class)
public Token addGithubToken(@QueryParam("code") String code) {
    String accessToken;
    String error;
    int count = MAX_ITERATIONS;
    while (true) {
        Optional<String> asString = ResourceUtilities.asString(GIT_URL + "login/oauth/access_token?code=" + code
                + "&client_id=" + githubClientID + "&client_secret=" + githubClientSecret, null, client);

        if (asString.isPresent()) {
            Map<String, String> split = Splitter.on('&').trimResults().withKeyValueSeparator("=")
                    .split(asString.get());
            accessToken = split.get("access_token");
            error = split.get("error");
        } else {
            throw new CustomWebApplicationException("Could not retrieve github.com token based on code",
                    HttpStatus.SC_BAD_REQUEST);
        }

        if (error != null && "bad_verification_code".equals(error)) {
            LOG.info("ERROR: {}", error);
            if (--count == 0) {
                throw new CustomWebApplicationException("Could not retrieve github.com token based on code",
                        HttpStatus.SC_BAD_REQUEST);
            } else {
                LOG.info("trying again...");
            }
        } else if (accessToken != null && !accessToken.isEmpty()) {
            LOG.info("Successfully recieved accessToken: {}", accessToken);
            break;
        } else {
            LOG.info("Retrieving accessToken was unsuccessful");
            throw new CustomWebApplicationException("Could not retrieve github.com token based on code",
                    HttpStatus.SC_BAD_REQUEST);
        }
    }

    GitHubClient githubClient = new GitHubClient();
    githubClient.setOAuth2Token(accessToken);
    long userID;
    String githubLogin;
    Token dockstoreToken = null;
    Token githubToken = null;
    try {
        UserService uService = new UserService(githubClient);
        org.eclipse.egit.github.core.User githubUser = uService.getUser();

        githubLogin = githubUser.getLogin();
    } catch (IOException ex) {
        throw new CustomWebApplicationException("Token ignored due to IOException", HttpStatus.SC_CONFLICT);
    }

    User user = userDAO.findByUsername(githubLogin);
    if (user == null) {
        user = new User();
        user.setUsername(githubLogin);
        userID = userDAO.create(user);

        // CREATE DOCKSTORE TOKEN
        final Random random = new Random();
        final int bufferLength = 1024;
        final byte[] buffer = new byte[bufferLength];
        random.nextBytes(buffer);
        String randomString = BaseEncoding.base64Url().omitPadding().encode(buffer);
        final String dockstoreAccessToken = Hashing.sha256()
                .hashString(githubLogin + randomString, Charsets.UTF_8).toString();

        dockstoreToken = new Token();
        dockstoreToken.setTokenSource(TokenType.DOCKSTORE.toString());
        dockstoreToken.setContent(dockstoreAccessToken);
        dockstoreToken.setUserId(userID);
        dockstoreToken.setUsername(githubLogin);
        long dockstoreTokenId = tokenDAO.create(dockstoreToken);
        dockstoreToken = tokenDAO.findById(dockstoreTokenId);

    } else {
        userID = user.getId();
        List<Token> tokens = tokenDAO.findDockstoreByUserId(userID);
        if (!tokens.isEmpty()) {
            dockstoreToken = tokens.get(0);
        }

        tokens = tokenDAO.findGithubByUserId(userID);
        if (!tokens.isEmpty()) {
            githubToken = tokens.get(0);
        }
    }

    if (dockstoreToken == null) {
        LOG.info("Could not find user's dockstore token. Making new one...");
        final Random random = new Random();
        final int bufferLength = 1024;
        final byte[] buffer = new byte[bufferLength];
        random.nextBytes(buffer);
        String randomString = BaseEncoding.base64Url().omitPadding().encode(buffer);
        final String dockstoreAccessToken = Hashing.sha256()
                .hashString(githubLogin + randomString, Charsets.UTF_8).toString();

        dockstoreToken = new Token();
        dockstoreToken.setTokenSource(TokenType.DOCKSTORE.toString());
        dockstoreToken.setContent(dockstoreAccessToken);
        dockstoreToken.setUserId(userID);
        dockstoreToken.setUsername(githubLogin);
        long dockstoreTokenId = tokenDAO.create(dockstoreToken);
        dockstoreToken = tokenDAO.findById(dockstoreTokenId);
    }

    if (githubToken == null) {
        LOG.info("Could not find user's github token. Making new one...");
        // CREATE GITHUB TOKEN
        githubToken = new Token();
        githubToken.setTokenSource(TokenType.GITHUB_COM.toString());
        githubToken.setContent(accessToken);
        githubToken.setUserId(userID);
        githubToken.setUsername(githubLogin);
        tokenDAO.create(githubToken);
        LOG.info("Github token created for {}", githubLogin);
    }

    return dockstoreToken;
}

From source file:org.hopestarter.wallet.ui.InputParser.java

public static PaymentIntent parsePaymentRequest(final byte[] serializedPaymentRequest)
        throws PaymentProtocolException {
    try {//from w  w  w. j  a v  a  2s .c o  m
        if (serializedPaymentRequest.length > 50000)
            throw new PaymentProtocolException("payment request too big: " + serializedPaymentRequest.length);

        final Protos.PaymentRequest paymentRequest = Protos.PaymentRequest.parseFrom(serializedPaymentRequest);

        final String pkiName;
        final String pkiCaName;
        if (!"none".equals(paymentRequest.getPkiType())) {
            final KeyStore keystore = new TrustStoreLoader.DefaultTrustStoreLoader().getKeyStore();
            final PkiVerificationData verificationData = PaymentProtocol.verifyPaymentRequestPki(paymentRequest,
                    keystore);
            pkiName = verificationData.displayName;
            pkiCaName = verificationData.rootAuthorityName;
        } else {
            pkiName = null;
            pkiCaName = null;
        }

        final PaymentSession paymentSession = PaymentProtocol.parsePaymentRequest(paymentRequest);

        if (paymentSession.isExpired())
            throw new PaymentProtocolException.Expired("payment details expired: current time " + new Date()
                    + " after expiry time " + paymentSession.getExpires());

        if (!paymentSession.getNetworkParameters().equals(Constants.NETWORK_PARAMETERS))
            throw new PaymentProtocolException.InvalidNetwork(
                    "cannot handle payment request network: " + paymentSession.getNetworkParameters());

        final ArrayList<PaymentIntent.Output> outputs = new ArrayList<PaymentIntent.Output>(1);
        for (final PaymentProtocol.Output output : paymentSession.getOutputs())
            outputs.add(PaymentIntent.Output.valueOf(output));

        final String memo = paymentSession.getMemo();

        final String paymentUrl = paymentSession.getPaymentUrl();

        final byte[] merchantData = paymentSession.getMerchantData();

        final byte[] paymentRequestHash = Hashing.sha256().hashBytes(serializedPaymentRequest).asBytes();

        final PaymentIntent paymentIntent = new PaymentIntent(PaymentIntent.Standard.BIP70, pkiName, pkiCaName,
                outputs.toArray(new PaymentIntent.Output[0]), memo, paymentUrl, merchantData, null,
                paymentRequestHash);

        if (paymentIntent.hasPaymentUrl() && !paymentIntent.isSupportedPaymentUrl())
            throw new PaymentProtocolException.InvalidPaymentURL(
                    "cannot handle payment url: " + paymentIntent.paymentUrl);

        return paymentIntent;
    } catch (final InvalidProtocolBufferException x) {
        throw new PaymentProtocolException(x);
    } catch (final UninitializedMessageException x) {
        throw new PaymentProtocolException(x);
    } catch (final FileNotFoundException x) {
        throw new RuntimeException(x);
    } catch (final KeyStoreException x) {
        throw new RuntimeException(x);
    }
}

From source file:zeitcoin.wallet.ui.InputParser.java

public static PaymentIntent parsePaymentRequest(@Nonnull final byte[] serializedPaymentRequest)
        throws PaymentProtocolException {
    try {//w w w  . jav  a  2 s .c om
        if (serializedPaymentRequest.length > 50000)
            throw new PaymentProtocolException("payment request too big: " + serializedPaymentRequest.length);

        final Protos.PaymentRequest paymentRequest = Protos.PaymentRequest.parseFrom(serializedPaymentRequest);

        final String pkiName;
        final String pkiCaName;
        if (!"none".equals(paymentRequest.getPkiType())) {
            final KeyStore keystore = new TrustStoreLoader.DefaultTrustStoreLoader().getKeyStore();
            final PkiVerificationData verificationData = PaymentProtocol.verifyPaymentRequestPki(paymentRequest,
                    keystore);
            pkiName = verificationData.displayName;
            pkiCaName = verificationData.rootAuthorityName;
        } else {
            pkiName = null;
            pkiCaName = null;
        }

        final PaymentSession paymentSession = PaymentProtocol.parsePaymentRequest(paymentRequest);

        if (paymentSession.isExpired())
            throw new PaymentProtocolException.Expired("payment details expired: current time " + new Date()
                    + " after expiry time " + paymentSession.getExpires());

        if (!paymentSession.getNetworkParameters().equals(Constants.NETWORK_PARAMETERS))
            throw new PaymentProtocolException.InvalidNetwork(
                    "cannot handle payment request network: " + paymentSession.getNetworkParameters());

        final ArrayList<PaymentIntent.Output> outputs = new ArrayList<PaymentIntent.Output>(1);
        for (final PaymentProtocol.Output output : paymentSession.getOutputs())
            outputs.add(PaymentIntent.Output.valueOf(output));

        final String memo = paymentSession.getMemo();

        final String paymentUrl = paymentSession.getPaymentUrl();

        final byte[] merchantData = paymentSession.getMerchantData();

        final byte[] paymentRequestHash = Hashing.sha256().hashBytes(serializedPaymentRequest).asBytes();

        final PaymentIntent paymentIntent = new PaymentIntent(PaymentIntent.Standard.BIP70, pkiName, pkiCaName,
                outputs.toArray(new PaymentIntent.Output[0]), memo, paymentUrl, merchantData, null,
                paymentRequestHash);

        if (paymentIntent.hasPaymentUrl() && !paymentIntent.isSupportedPaymentUrl())
            throw new PaymentProtocolException.InvalidPaymentURL(
                    "cannot handle payment url: " + paymentIntent.paymentUrl);

        return paymentIntent;
    } catch (final InvalidProtocolBufferException x) {
        throw new PaymentProtocolException(x);
    } catch (final UninitializedMessageException x) {
        throw new PaymentProtocolException(x);
    } catch (final FileNotFoundException x) {
        throw new RuntimeException(x);
    } catch (final KeyStoreException x) {
        throw new RuntimeException(x);
    }
}

From source file:com.infinities.keystone4j.utils.Cms.java

public String hashToken(String tokenid, Algorithm mode)
        throws UnsupportedEncodingException, NoSuchAlgorithmException, DecoderException {
    if (mode == null) {
        mode = Algorithm.md5;/*from   w w w.  j  a v  a 2s. co  m*/
    }

    if (Strings.isNullOrEmpty(tokenid)) {
        throw new NullPointerException("invalid tokenid");
    }

    if (isAsn1Token(tokenid) || isPkiz(tokenid)) {
        HashFunction hf = Hashing.md5();
        if (mode == Algorithm.sha1) {
            hf = Hashing.sha1();
        } else if (mode == Algorithm.sha256) {
            hf = Hashing.sha256();
        } else if (mode == Algorithm.sha512) {
            hf = Hashing.sha512();
        }
        HashCode hc = hf.newHasher().putString(tokenid).hash();
        return toHex(hc.asBytes());

    } else {
        return tokenid;
    }
}

From source file:org.darkware.wpman.security.ChecksumDatabase.java

/**
 * Perform a checksum calculation on the given {@link ReadableByteChannel}. Other code should not create
 * implementations which are dependant on any particular characteristics of the checksum, but the checksum
 * is very likely to be based on a cryptographic-strength hash. The results of the checksum are encoded as
 * a base64 {@code String}./*from   www.  j a  va2  s .c o  m*/
 *
 * @param channel The {@code ReadableByteChannel} to read data from.
 * @return A Base64 encoded {@code String} representing the checksum.
 * @throws IOException If there was an error while reading data from the channel.
 * @see Base64#encodeBase64String(byte[])
 */
protected String doChecksum(ReadableByteChannel channel) throws IOException {
    Hasher hasher = Hashing.sha256().newHasher();

    final ByteBuffer block = ByteBuffer.allocate(4096);
    while (channel.isOpen()) {
        int bytesRead = channel.read(block);
        if (bytesRead > 0) {
            block.flip();
            hasher.putBytes(block.array(), 0, block.limit());
            block.clear();
        } else if (bytesRead == -1) {
            channel.close();
        }
    }

    return Base64.encodeBase64String(hasher.hash().asBytes());
}

From source file:org.apache.servicecomb.serviceregistry.client.LocalServiceRegistryClientImpl.java

@Override
public Holder<List<GetSchemaResponse>> getSchemas(String microserviceId) {
    Microservice microservice = microserviceIdMap.get(microserviceId);
    if (microservice == null) {
        throw new IllegalArgumentException("Invalid serviceId, serviceId=" + microserviceId);
    }//from  w  w  w  .  j  a v a 2s .  c  o m
    List<GetSchemaResponse> schemas = new ArrayList<>();
    microservice.getSchemaMap().forEach((key, val) -> {
        GetSchemaResponse schema = new GetSchemaResponse();
        schema.setSchema(val);
        schema.setSchemaId(key);
        schema.setSummary(Hashing.sha256().newHasher().putString(val, Charsets.UTF_8).hash().toString());
        schemas.add(schema);
    });
    Holder<List<GetSchemaResponse>> resultHolder = new Holder<>();
    resultHolder.setStatusCode(Status.OK.getStatusCode()).setValue(schemas);
    return resultHolder;
}