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:com.google.devtools.kythe.extractors.jvm.JarExtractor.java

public static void main(String[] args) throws IOException, ExtractionException {
    JvmExtractor.Options options = new JvmExtractor.Options();
    JCommander jc = new JCommander(options, args);
    jc.setProgramName("jar_extractor");
    if (options.help) {
        jc.usage();// www . j av  a 2 s.  com
        System.exit(2);
    }

    CompilationDescription indexInfo = JvmExtractor.extract(options);

    String outputFile = System.getenv("KYTHE_OUTPUT_FILE");
    if (!Strings.isNullOrEmpty(outputFile)) {
        IndexInfoUtils.writeIndexInfoToFile(indexInfo, outputFile);
    } else {
        String outputDir = System.getenv("KYTHE_OUTPUT_DIRECTORY");
        if (Strings.isNullOrEmpty(outputDir)) {
            throw new IllegalArgumentException(
                    "required KYTHE_OUTPUT_FILE or KYTHE_OUTPUT_DIRECTORY environment variable is unset");
        }
        if (Strings.isNullOrEmpty(System.getenv("KYTHE_INDEX_PACK"))) {
            String name = Hashing.sha256().hashUnencodedChars(Joiner.on(" ").join(args)).toString();
            String path = IndexInfoUtils.getIndexPath(outputDir, name).toString();
            IndexInfoUtils.writeIndexInfoToFile(indexInfo, path);
        } else {
            new Archive(outputDir).writeDescription(indexInfo);
        }
    }
}

From source file:utils.SHA2Generator.java

/**
 *  Return file's SHA256./*from  w ww .java 2 s. c  o m*/
 * @param filePath the path where the file to have the md5 generated belongs.
 * @return The SHA256 in String
 * @throws NoSuchAlgorithmException
 * @throws IOException
 */
public static String generate(String filePath) throws NoSuchAlgorithmException, IOException {
    File file = new File(filePath);
    String sha2 = BaseEncoding.base16().encode(Files.hash(file, Hashing.sha256()).asBytes()).toLowerCase();
    return sha2;
}

From source file:it.anyplace.sync.core.utils.BlockUtils.java

public static String hashBlocks(List<BlockInfo> blocks) {
    return BaseEncoding.base16().encode(Hashing.sha256()
            .hashBytes(Joiner.on(",").join(Iterables.transform(blocks, new Function<BlockInfo, String>() {
                @Override//from   w  ww.  j ava2s. co  m
                public String apply(BlockInfo input) {
                    return input.getHash();
                }
            })).getBytes()).asBytes());
}

From source file:brooklyn.rest.security.PasswordHasher.java

public static String sha256(String salt, String password) {
    byte[] salted = Charsets.UTF_8.encode((salt == null ? "" : salt) + password).array();
    HashCode hash = Hashing.sha256().hashBytes(salted);
    return hash.toString();
}

From source file:org.apache.brooklyn.rest.security.PasswordHasher.java

public static String sha256(String salt, String password) {
    if (salt == null)
        salt = "";
    byte[] bytes = (salt + password).getBytes(Charsets.UTF_8);
    HashCode hash = Hashing.sha256().hashBytes(bytes);
    return hash.toString();
}

From source file:com.zxy.commons.codec.utils.SHAUtils.java

/**
 * sha256 encode//from   w  ww .  ja  va  2  s.c  o  m
 * 
 * @param source 
 * @return sha256 encode string
 */
public static String encodeSHA256(String source) {
    return Hashing.sha256().hashBytes(source.getBytes()).toString();
}

From source file:com.google.devtools.build.lib.worker.WorkerFilesHash.java

public static HashCode getWorkerFilesHash(Iterable<? extends ActionInput> toolFiles,
        ActionExecutionContext actionExecutionContext) throws IOException {
    Hasher hasher = Hashing.sha256().newHasher();
    for (ActionInput tool : toolFiles) {
        hasher.putString(tool.getExecPathString(), Charset.defaultCharset());
        hasher.putBytes(actionExecutionContext.getActionInputFileCache().getDigest(tool));
    }/*from w w w . j  av  a2s .  c om*/
    return hasher.hash();
}

From source file:com.lithium.flow.util.HashFunctions.java

@Nonnull
public static HashFunction of(@Nonnull String name) {
    checkNotNull(name);/*  www.  ja v  a 2s. c  om*/
    switch (name) {
    case "adler32":
        return Hashing.adler32();
    case "crc32":
        return Hashing.crc32();
    case "md5":
        return Hashing.md5();
    case "sha1":
        return Hashing.sha1();
    case "sha256":
        return Hashing.sha256();
    case "sha512":
        return Hashing.sha512();
    case "sipHash24":
        return Hashing.sipHash24();
    case "murmur3_32":
        return Hashing.murmur3_32();
    case "murmur3_128":
        return Hashing.murmur3_128();
    default:
        throw new RuntimeException("unknown hash: " + name);
    }
}

From source file:io.atomix.primitive.PrimitiveId.java

/**
 * Creates a snapshot ID from the given string.
 *
 * @param id the string from which to create the identifier
 * @return the snapshot identifier//from   www  . j  a va  2  s .c o  m
 */
public static PrimitiveId from(String id) {
    return from(Hashing.sha256().hashString(id, StandardCharsets.UTF_8).asLong());
}

From source file:utility.HashedPasswordGenerator.java

public String generateHash(String password) {
    return Hashing.sha256().hashString(password, Charsets.UTF_8).toString();
}