Java Code Examples for com.google.common.hash.HashCode#fromBytes()

The following examples show how to use com.google.common.hash.HashCode#fromBytes() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultResolver.java    From emodb with Apache License 2.0 5 votes vote down vote up 
private HashCode parseHash(String string) {
    try {
        return HashCode.fromBytes(Hex.decodeHex(string.toCharArray()));
    } catch (DecoderException e) {
        throw Throwables.propagate(e);
    }
}
Example 2
Source File: SHA512PasswordEncryptor.java    From che with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
public String encrypt(String password) {
  requireNonNull(password, "Required non-null password");
  // generate salt
  final byte[] salt = new byte[SALT_BYTES_LENGTH];
  SECURE_RANDOM.nextBytes(salt);
  // sha512(password + salt)
  final HashCode hash =
      Hashing.sha512().hashBytes(Bytes.concat(password.getBytes(PWD_CHARSET), salt));
  final HashCode saltHash = HashCode.fromBytes(salt);
  // add salt to the hash, result length (512 / 8) * 2 + (64 / 8) * 2 = 144
  return hash.toString() + saltHash.toString();
}
Example 3
Source File: PBKDF2PasswordEncryptor.java    From che with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
public String encrypt(String password) {
  requireNonNull(password, "Required non-null password");
  final byte[] salt = new byte[SALT_LENGTH];
  SECURE_RANDOM.nextBytes(salt);
  final HashCode hash = computeHash(password.toCharArray(), salt, ITERATIONS_COUNT);
  final HashCode saltHash = HashCode.fromBytes(salt);
  return format(PWD_FMT, hash, saltHash, ITERATIONS_COUNT);
}
Example 4
Source File: PBKDF2PasswordEncryptor.java    From che with Eclipse Public License 2.0 5 votes vote down vote up 
private HashCode computeHash(char[] password, byte[] salt, int iterations) {
  try {
    final SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(SECRET_KEY_FACTORY_NAME);
    final KeySpec keySpec = new PBEKeySpec(password, salt, iterations, 512);
    return HashCode.fromBytes(keyFactory.generateSecret(keySpec).getEncoded());
  } catch (NoSuchAlgorithmException | InvalidKeySpecException x) {
    throw new RuntimeException(x.getMessage(), x);
  }
}
Example 5
Source File: BloomFilter.java    From presto-bloomfilter with Apache License 2.0 5 votes vote down vote up 
public static HashCode readHash(Slice s)
{
    if (s == null) {
        return HASH_CODE_NOT_FOUND;
    }
    return HashCode.fromBytes(s.getBytes(0, 32));
}
Example 6
Source File: SQLiteArtifactCacheBenchmark.java    From buck with Apache License 2.0 5 votes vote down vote up 
@BeforeExperiment
private void setUpBenchmark() throws IOException, SQLException {
  artifactCache = cache(Optional.of(1024 * 1024 * 1024L));
  byte[] randomRuleKey = new byte[16];

  ruleKeys = new ArrayList<>(opCount);
  contentHashes = new ArrayList<>(opCount);
  metadataInfo = new ArrayList<>(opCount);
  contentInfo = new ArrayList<>(opCount);

  for (int i = 0; i < opCount; i++) {
    random.nextBytes(randomRuleKey);
    RuleKey ruleKey = new RuleKey(HashCode.fromBytes(randomRuleKey));
    ruleKeys.add(ruleKey);
    metadataInfo.add(
        ArtifactInfo.builder()
            .addRuleKeys(ruleKey)
            .putMetadata(TwoLevelArtifactCacheDecorator.METADATA_KEY, "foo")
            .putMetadata(BuildInfo.MetadataKey.RULE_KEY, ruleKey.toString())
            .putMetadata(BuildInfo.MetadataKey.TARGET, "bar")
            .build());

    random.nextBytes(randomRuleKey);
    RuleKey contentHash = new RuleKey(HashCode.fromBytes(randomRuleKey));
    contentHashes.add(contentHash);
    contentInfo.add(ArtifactInfo.builder().addRuleKeys(contentHash).build());
  }
}
Example 7
Source File: AbstractNonStreamingHashFunctionTest.java    From zetasketch with Apache License 2.0 4 votes vote down vote up 
@Override
public HashCode hashBytes(byte[] input, int off, int len) {
  return HashCode.fromBytes(Arrays.copyOfRange(input, off, off + len));
}
Example 8
Source File: ModelUtils.java    From presto with Apache License 2.0 4 votes vote down vote up 
public static HashCode modelHash(Slice slice)
{
    return HashCode.fromBytes(slice.getBytes(HASH_OFFSET, 32));
}
Example 9
Source File: HashCodeCodec.java    From bazel with Apache License 2.0 4 votes vote down vote up 
@Override
public HashCode deserialize(DeserializationContext context, CodedInputStream codedIn)
    throws SerializationException, IOException {
  return HashCode.fromBytes(codedIn.readByteArray());
}