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

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.apache.servicecomb.common.javassist.JavassistUtils.java

@SuppressWarnings("rawtypes")
public static Class<? extends Enum> getOrCreateEnumWithPackageName(ClassLoader classLoader, String packageName,
        List<String> enums) {
    String strEnums = enums.toString();
    String enumClsName = packageName + ".Enum_"
            + Hashing.sha256().hashString(strEnums, StandardCharsets.UTF_8).toString();
    return JavassistUtils.getOrCreateEnumWithClassName(classLoader, enumClsName, enums);
}

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From source file:org.fenixedu.cms.domain.CMSThemeFiles.java

private String computeChecksum() {
    StringBuilder builder = new StringBuilder();
    this.files.values().forEach(file -> {
        builder.append(Hashing.sha256().hashBytes(file.getContent()).toString());
    });/*  w w w.  ja v a 2  s .c o m*/
    return Hashing.murmur3_128().hashString(builder, StandardCharsets.UTF_8).toString().substring(0, 16);
}

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From source file:org.adho.dhconvalidator.conftool.ConfToolClient.java

private String getPassHash(String nonce) {
    return Hashing.sha256().hashString(nonce + new String(restSharedPass), Charsets.UTF_8).toString();
}

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From source file:io.github.runassudo.gtfs.ZipStreamGTFSFile.java

public FlatGTFSFile toFlatFile() throws IOException {
    File destBase = new File(
            new File(GTFSCollection.cacheDir,
                    Hashing.sha256().hashString(parentFile.getName(), StandardCharsets.UTF_8).toString()),
            Hashing.sha256().hashString(zipEntry.getName(), StandardCharsets.UTF_8).toString());

    if (!destBase.exists()) {
        ZipArchiveInputStream gtfsStream = new ZipArchiveInputStream(parentFile.getInputStream(zipEntry));
        ZipArchiveEntry contentEntry;//w  w  w.  j av a 2 s  .  c om
        while ((contentEntry = gtfsStream.getNextZipEntry()) != null) {
            // Copy this file to cache
            File dest = new File(destBase, contentEntry.getName());
            dest.getParentFile().mkdirs();
            FileOutputStream os = new FileOutputStream(dest);
            byte[] buf = new byte[4096];
            int len;
            while ((len = gtfsStream.read(buf)) > 0) {
                os.write(buf, 0, len);
            }
            os.close();
        }
        gtfsStream.close();
    }

    return new FlatGTFSFile(destBase);
}

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From source file:org.sfs.encryption.impl.SAES256v01.java

public SAES256v01(byte[] secretBytes, byte[] salt) {
    this.salt = salt.clone();
    secretBytes = secretBytes.clone();//from   ww w. java2s  .c o  m
    if (secretBytes.length != KEY_SIZE_BYTES) {
        secretBytes = Hashing.sha256().hashBytes(secretBytes).asBytes();
    }
    try {
        KeyParameter key = new KeyParameter(secretBytes);
        AEADParameters params = new AEADParameters(key, MAC_SIZE_BITS, this.salt);

        this.encryptor = new GCMBlockCipher(new AESFastEngine());
        this.encryptor.init(true, params);

        this.decryptor = new GCMBlockCipher(new AESFastEngine());
        this.decryptor.init(false, params);

    } catch (Exception e) {
        throw new RuntimeException("could not create cipher for AES256", e);
    } finally {
        Arrays.fill(secretBytes, (byte) 0);
    }
}

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From source file:org.jclouds.glacier.util.TreeHash.java

private static HashCode hashList(Collection<HashCode> hashList) {
    Builder<HashCode> result = ImmutableList.builder();
    while (hashList.size() > 1) {
        //Hash pairs of values and add them to the result list.
        for (Iterator<HashCode> it = hashList.iterator(); it.hasNext();) {
            HashCode hc1 = it.next();//from  w ww .j a v a  2 s  . co  m
            if (it.hasNext()) {
                HashCode hc2 = it.next();
                result.add(Hashing.sha256().newHasher().putBytes(hc1.asBytes()).putBytes(hc2.asBytes()).hash());
            } else {
                result.add(hc1);
            }
        }
        hashList = result.build();
        result = ImmutableList.builder();
    }
    return hashList.iterator().next();
}

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From source file:org.jclouds.glacier.util.AWSRequestSignerV4.java

private static HashCode buildHashedCanonicalRequest(String method, String endpoint, HashCode hashedPayload,
        String canonicalizedHeadersString, String signedHeaders) {
    return Hashing.sha256().newHasher().putString(method, UTF_8).putString("\n", UTF_8)
            .putString(endpoint, UTF_8).putString("\n", UTF_8).putString("\n", UTF_8)
            .putString(canonicalizedHeadersString, UTF_8).putString("\n", UTF_8).putString(signedHeaders, UTF_8)
            .putString("\n", UTF_8).putString(hashedPayload.toString(), UTF_8).hash();
}

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From source file:it.anyplace.sync.core.cache.FileBlockCache.java

@Override
public String pushBlock(final byte[] data) {
    String code = BaseEncoding.base16().encode(Hashing.sha256().hashBytes(data).asBytes());
    return pushData(code, data) ? code : null;
}

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From source file:org.apache.rya.indexing.pcj.fluo.app.query.StatementPatternIdManager.java

/**
 * Add specified Set of ids to the Fluo table with Column {@link FluoQueryColumns#STATEMENT_PATTERN_IDS}. Also
 * updates the hash of the updated nodeId Set and writes that to the Column
 * {@link FluoQueryColumns#STATEMENT_PATTERN_IDS_HASH}
 *
 * @param tx - Fluo Transaction object for performing atomic operations on Fluo table.
 * @param ids - ids to add to the StatementPattern nodeId Set
 *///from www .j av  a 2  s. c  o m
public static void addStatementPatternIds(TransactionBase tx, Set<String> ids) {
    checkNotNull(tx);
    checkNotNull(ids);
    Optional<Bytes> val = Optional.fromNullable(tx.get(Bytes.of(STATEMENT_PATTERN_ID), STATEMENT_PATTERN_IDS));
    StringBuilder builder = new StringBuilder();
    if (val.isPresent()) {
        builder.append(val.get().toString());
        builder.append(VAR_DELIM);
    }
    String idString = builder.append(Joiner.on(VAR_DELIM).join(ids)).toString();
    tx.set(Bytes.of(STATEMENT_PATTERN_ID), STATEMENT_PATTERN_IDS, Bytes.of(idString));
    tx.set(Bytes.of(STATEMENT_PATTERN_ID), STATEMENT_PATTERN_IDS_HASH,
            Bytes.of(Hashing.sha256().hashString(idString).toString()));
}

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From source file:com.ea.promed.beans.DoctorBean.java

public String createDoctor() throws MessagingException, UnsupportedEncodingException {

    if (doctor.getId() != null) {
        Doctor eDoctor = (Doctor) sessionMap.get("eDoctor");

        doctor.setUser(eDoctor.getUser());

        doctorFacade.edit(doctor);/*from  w w  w  .  j  a va 2 s. co  m*/

        sessionMap.put("message", "Doctor Info updated Successfully.");

    } else {

        String code = UUID.randomUUID().toString();

        String hash = Hashing.sha256().hashString(code, Charsets.UTF_8).toString();

        doctor.getUser().setVerification(hash);

        doctor.getUser().setPassword(hash);

        doctorFacade.create(doctor);

        userFacade.activateUser(doctor.getUser(), 2);

        emailBean.setToemail(doctor.getUser().getEmail());
        emailBean.setSubject("Login Credentials : Pro Medical Services");
        emailBean.setMessagetext(doctor.getFirstName(), "Your user name is " + doctor.getUser().getUsername()
                + ". You can create new password by clicking below link.", hash);

        emailBean.sendEMail();

        sessionMap.put("message", "Doctor Info added Successfully.");

    }

    return "doctors?faces-redirect=true";
}

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