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:net.pterodactylus.sone.data.ImageImpl.java

@Override
public String getFingerprint() {
    Hasher hash = Hashing.sha256().newHasher();
    hash.putString("Image(");
    hash.putString("ID(").putString(id).putString(")");
    hash.putString("Title(").putString(title).putString(")");
    hash.putString("Description(").putString(description).putString(")");
    hash.putString(")");
    return hash.hash().toString();
}

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From source file:org.apache.jackrabbit.oak.plugins.index.lucene.directory.IndexRootDirectory.java

static String getPathHash(String indexPath) {
    return Hashing.sha256().hashString(indexPath, Charsets.UTF_8).toString();
}

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From source file:com.facebook.buck.util.config.Config.java

private HashCode computeOrderIndependentHashCode() {
    ImmutableMap<String, ImmutableMap<String, String>> rawValues = rawConfig.getValues();
    ImmutableSortedMap.Builder<String, ImmutableSortedMap<String, String>> expanded = ImmutableSortedMap
            .naturalOrder();//from   www.  jav  a 2 s.c o  m
    for (String section : rawValues.keySet()) {
        expanded.put(section, ImmutableSortedMap.copyOf(get(section)));
    }

    ImmutableSortedMap<String, ImmutableSortedMap<String, String>> sortedConfigMap = expanded.build();

    Hasher hasher = Hashing.sha256().newHasher();
    for (Entry<String, ImmutableSortedMap<String, String>> entry : sortedConfigMap.entrySet()) {
        hasher.putString(entry.getKey(), StandardCharsets.UTF_8);
        for (Entry<String, String> nestedEntry : entry.getValue().entrySet()) {
            hasher.putString(nestedEntry.getKey(), StandardCharsets.UTF_8);
            hasher.putString(nestedEntry.getValue(), StandardCharsets.UTF_8);
        }
    }

    return hasher.hash();
}

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From source file:org.apache.servicecomb.serviceregistry.RegistryUtils.java

public static String calcSchemaSummary(String schemaContent) {
    return Hashing.sha256().newHasher().putString(schemaContent, Charsets.UTF_8).hash().toString();
}

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From source file:org.jclouds.s3.filters.Aws4SignerBase.java

/**
 * hash input with sha256//from   w  ww.j  a  v a 2s . co m
 *
 * @param input
 * @return hash result
 * @throws HTTPException
 */
public static byte[] hash(InputStream input) throws HTTPException {
    HashingInputStream his = new HashingInputStream(Hashing.sha256(), input);
    try {
        ByteStreams.copy(his, ByteStreams.nullOutputStream());
        return his.hash().asBytes();
    } catch (IOException e) {
        throw new HttpException("Unable to compute hash while signing request: " + e.getMessage(), e);
    }
}

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From source file:com.google.cloud.storage.spi.v1.HttpStorageRpc.java

private static void setEncryptionHeaders(HttpHeaders headers, String headerPrefix, Map<Option, ?> options) {
    String key = Option.CUSTOMER_SUPPLIED_KEY.getString(options);
    if (key != null) {
        BaseEncoding base64 = BaseEncoding.base64();
        HashFunction hashFunction = Hashing.sha256();
        headers.set(headerPrefix + "algorithm", "AES256");
        headers.set(headerPrefix + "key", key);
        headers.set(headerPrefix + "key-sha256",
                base64.encode(hashFunction.hashBytes(base64.decode(key)).asBytes()));
    }//w  w w.  ja  v  a  2s . c  om
}

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From source file:com.atypon.wayf.facade.impl.DeviceFacadeImpl.java

@Override
public String hashGlobalId(String globalId) {
    return globalId == null ? null : Hashing.sha256().hashString(globalId, StandardCharsets.UTF_8).toString();
}

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From source file:com.cinchapi.common.io.Files.java

/**
 * Get a consistent temporary directory file path that represents the hash
 * for the specified {@code key}.//  w w  w  .j av  a  2 s.  co m
 * <p>
 * This method does <strong>NOT</strong> create a file at the returned path,
 * or any of the parent directories.
 * </p>
 * 
 * @param key the key to hash
 * @return the hashed file path
 */
public static Path getTemporaryHashedFilePath(String key) {
    String hash = Hashing.sha256().hashString(key, StandardCharsets.UTF_8).toString();
    ArrayBuilder<String> array = ArrayBuilder.builder();
    StringBuilder sb = new StringBuilder();
    char[] chars = hash.toCharArray();
    for (int i = 0; i < chars.length; ++i) {
        char c = chars[i];
        sb.append(c);
        if (i >= 4 && i % 4 == 0) {
            array.add(sb.toString());
            sb.setLength(0);
        }
    }
    return Paths.get(TMPDIR.toAbsolutePath().toString(), array.build());
}

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From source file:com.ericsson.gerrit.plugins.projectgroupstructure.ProjectCreationValidator.java

private AccountGroup.UUID createGroup(String name) throws ValidationException {
    try {/*  www  .  j  a va2  s  . c  om*/
        GroupInfo groupInfo = null;
        try {
            groupInfo = createGroupFactory.create(name).apply(TopLevelResource.INSTANCE, new GroupInput());
        } catch (ResourceConflictException e) {
            // name already exists, make sure it is unique by adding a abbreviated
            // sha1
            String nameWithSha1 = name + "-"
                    + Hashing.sha256().hashString(name, Charsets.UTF_8).toString().substring(0, 7);
            log.info("Failed to create group name {} because of a conflict: {}, trying to create {} instead",
                    name, e.getMessage(), nameWithSha1);
            groupInfo = createGroupFactory.create(nameWithSha1).apply(TopLevelResource.INSTANCE,
                    new GroupInput());
        }
        return AccountGroup.UUID.parse(groupInfo.id);
    } catch (RestApiException | OrmException | IOException | ConfigInvalidException e) {
        log.error("Failed to create project {}: {}", name, e.getMessage(), e);
        throw new ValidationException(AN_ERROR_OCCURRED_MSG);
    }
}

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From source file:org.jclouds.s3.filters.Aws4SignerBase.java

/**
 * hash input with sha256/*from w w  w .ja  va  2 s.  c  om*/
 *
 * @param bytes input bytes
 * @return hash result
 * @throws HTTPException
 */
public static byte[] hash(byte[] bytes) throws HTTPException {
    try {
        return ByteSource.wrap(bytes).hash(Hashing.sha256()).asBytes();
    } catch (IOException e) {
        throw new HttpException("Unable to compute hash while signing request: " + e.getMessage(), e);
    }
}

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