Example usage for com.google.common.hash Hashing sha512

Introduction

In this page you can find the example usage for com.google.common.hash Hashing sha512.

Prototype

public static HashFunction sha512() 

Source Link

Document

Returns a hash function implementing the SHA-512 algorithm (512 hash bits) by delegating to the SHA-512 MessageDigest .

Usage

From source file:org.eclipse.che.security.SHA512PasswordEncryptor.java

@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);//from ww  w  .j  av a 2 s.c  om
    // 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();
}

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From source file:org.fenixedu.bennu.oauth.domain.ExternalApplication.java

protected void init() {
    setBennu(Bennu.getInstance());//  w  w  w  .ja  v a  2  s  .c o m
    setSecret(Base64.getEncoder().encodeToString(Hashing.sha512()
            .hashBytes(UUID.randomUUID().toString().getBytes(StandardCharsets.UTF_8)).asBytes()));
    setState(ExternalApplicationState.ACTIVE);
}

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From source file:security.MyAuthenticationProvider.java

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
    UsernamePasswordAuthenticationToken auth = (UsernamePasswordAuthenticationToken) authentication;
    String username = String.valueOf(auth.getPrincipal());
    String password = String.valueOf(auth.getCredentials());

    // 1. Use the username to load the data for the user, including authorities and password.
    User user = (User) userRepository.findOneByUsername(username);

    if (user == null)
        throw new BadCredentialsException("Bad Credentials");

    String saltPassword = Hashing.sha512().hashString(password + user.getSalt(), Charsets.UTF_8).toString();
    System.out.println("Salted pass: " + saltPassword);
    // 2. Check the passwords match.
    if (!user.getPassword().equals(saltPassword)) {
        throw new BadCredentialsException("Bad Credentials");
    }/* w w  w  . j  ava2 s  .  c  o m*/

    // 3. Preferably clear the password in the user object before storing in authentication object
    //user.clearPassword();

    // 4. Return an authenticated token, containing user data and authorities  
    List<GrantedAuthority> authorities = new ArrayList<>();
    authorities.add(new SimpleGrantedAuthority("ROLE_USER"));

    Authentication token = new UsernamePasswordAuthenticationToken(user, saltPassword, authorities);
    return token;
}

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

public static String hashPassword(String password) {
    if (Strings.isNullOrEmpty(password)) {
        throw new IllegalArgumentException();
    }//from  w w w  .  j a va2 s .c o m
    String passwordUtf8 = verifyLengthAndtruncPassword(password);

    // hash round? and identify
    String hashed = Hashing.sha512().hashString(passwordUtf8, Charsets.UTF_8).toString();
    return hashed;
}

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From source file:org.apache.james.user.jpa.model.JPAUser.java

@SuppressWarnings("deprecation")
private static HashFunction chooseHashing(String algorithm) {
    switch (algorithm) {
    case "MD5":
        return Hashing.md5();
    case "SHA-256":
        return Hashing.sha256();
    case "SHA-512":
        return Hashing.sha512();
    default:/*w w  w. java2s  .  c o  m*/
        return Hashing.sha1();
    }
}

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From source file:org.eclipse.che.security.SHA512PasswordEncryptor.java

@Override
public boolean test(String password, String passwordHash) {
    requireNonNull(password, "Required non-null password");
    requireNonNull(passwordHash, "Required non-null password's hash");
    // retrieve salt from the hash
    final int passwordHashLength = ENCRYPTED_PASSWORD_BYTES_LENGTH * 2;
    if (passwordHash.length() < passwordHashLength + SALT_BYTES_LENGTH * 2) {
        return false;
    }//  w  w w  .  j a  v a2  s.  com
    final HashCode saltHash = HashCode.fromString(passwordHash.substring(passwordHashLength));
    // sha1(password + salt)
    final HashCode hash = Hashing.sha512()
            .hashBytes(Bytes.concat(password.getBytes(PWD_CHARSET), saltHash.asBytes()));
    // test sha1(password + salt) + salt == passwordHash
    return (hash.toString() + saltHash.toString()).equals(passwordHash);
}

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From source file:ph.samson.maven.enforcer.rule.checksum.FileChecksum.java

@Override
public void execute(EnforcerRuleHelper erh) throws EnforcerRuleException {
    if (file == null || !file.canRead()) {
        throw new EnforcerRuleException("Missing file: " + file);
    }//from   ww  w .ja va  2  s  .  co m

    HashFunction hashFn;
    switch (type) {
    case "crc32":
        hashFn = Hashing.crc32();
        break;
    case "crc32c":
        hashFn = Hashing.crc32c();
        break;
    case "md5":
        hashFn = Hashing.md5();
        break;
    case "sha1":
        hashFn = Hashing.sha1();
        break;
    case "sha256":
        hashFn = Hashing.sha256();
        break;
    case "sha512":
        hashFn = Hashing.sha512();
        break;
    default:
        throw new EnforcerRuleException("Unsupported hash type: " + type);
    }

    String hash;
    try {
        hash = hashFn.hashBytes(Files.readAllBytes(file.toPath())).toString();
    } catch (IOException ex) {
        throw new EnforcerRuleException("Failed reading " + file, ex);
    }

    if (!hash.equalsIgnoreCase(checksum)) {
        throw new EnforcerRuleException(
                type + " hash of " + file + " was " + hash + " but expected " + checksum);
    }
}

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From source file:sockslib.server.manager.HashPasswordProtector.java

private Hasher chooseHasher(HashAlgorithm algorithm) {
    Hasher hasher = null;/*  w w  w. j a  v a2s.  com*/
    switch (algorithm) {

    case MD5:
        hasher = Hashing.md5().newHasher();
        break;
    case SHA1:
        hasher = Hashing.sha1().newHasher();
        break;
    case SHA256:
        hasher = Hashing.sha256().newHasher();
        break;
    case SHA512:
        hasher = Hashing.sha512().newHasher();
        break;

    }
    return hasher;
}

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From source file:org.fenixedu.academic.domain.candidacy.GenericApplication.java

private String generateConfirmationLink() {
    final String confirmationCode = Hashing.sha512().hashString(getEmail() + System.currentTimeMillis()
            + hashCode() + new Random(System.currentTimeMillis()).nextGaussian(), Charsets.UTF_8).toString();
    setConfirmationCode(confirmationCode);
    return FenixEduAcademicConfiguration.getConfiguration().getGenericApplicationEmailConfirmationLink()
            + confirmationCode + "&applicationExternalId=" + getExternalId();
}

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From source file:net.sourceforge.fenixedu.domain.candidacy.GenericApplication.java

private String generateConfirmationLink() {
    final String confirmationCode = Hashing.sha512().hashString(getEmail() + System.currentTimeMillis()
            + hashCode() + new Random(System.currentTimeMillis()).nextGaussian(), Charsets.UTF_8).toString();
    setConfirmationCode(confirmationCode);
    return FenixConfigurationManager.getConfiguration().getGenericApplicationEmailConfirmationLink()
            + confirmationCode + "&applicationExternalId=" + getExternalId();
}

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