org.apache.nifi.security.repository

Class RepositoryEncryptorUtils

java.lang.Object

org.apache.nifi.security.repository.RepositoryEncryptorUtils

public class RepositoryEncryptorUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private static int	CONTENT_HEADER_SIZE
private static byte[]	EMPTY_IV
private static int	IV_LENGTH
private static org.slf4j.Logger	logger
private static int	METADATA_DEFAULT_LENGTH
private static int	MIN_METADATA_LENGTH
private static List<String>	SUPPORTED_VERSIONS
private static String	VERSION

Constructor Summary

Constructors

Constructor and Description
RepositoryEncryptorUtils()

Method Summary

Modifier and Type	Method and Description
static KeyProvider	buildKeyProvider(NiFiProperties niFiProperties, SecretKey masterKey, RepositoryType repositoryType)
static byte[]	extractCipherBytes(byte[] encryptedRecord, RepositoryObjectEncryptionMetadata metadata)
static RepositoryObjectEncryptionMetadata	extractEncryptionMetadata(byte[] encryptedRecord)
static RepositoryObjectEncryptionMetadata	extractEncryptionMetadata(InputStream encryptedRecord)
static Cipher	initCipher(AESKeyedCipherProvider aesKeyedCipherProvider, EncryptionMethod method, int mode, SecretKey key, byte[] ivBytes)
static byte[]	serializeEncryptionMetadata(RepositoryObjectEncryptionMetadata metadata)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

private static final org.slf4j.Logger logger

CONTENT_HEADER_SIZE

private static final int CONTENT_HEADER_SIZE

See Also:

Constant Field Values

IV_LENGTH

private static final int IV_LENGTH

See Also:

Constant Field Values

EMPTY_IV

private static final byte[] EMPTY_IV

VERSION

private static final String VERSION

See Also:

Constant Field Values

SUPPORTED_VERSIONS

private static final List<String> SUPPORTED_VERSIONS

MIN_METADATA_LENGTH

private static final int MIN_METADATA_LENGTH

See Also:

Constant Field Values

METADATA_DEFAULT_LENGTH

private static final int METADATA_DEFAULT_LENGTH

Constructor Detail

RepositoryEncryptorUtils

public RepositoryEncryptorUtils()

Method Detail

serializeEncryptionMetadata

public static byte[] serializeEncryptionMetadata(RepositoryObjectEncryptionMetadata metadata)
                                          throws IOException

Throws:

IOException

initCipher

public static Cipher initCipher(AESKeyedCipherProvider aesKeyedCipherProvider,
                                EncryptionMethod method,
                                int mode,
                                SecretKey key,
                                byte[] ivBytes)
                         throws EncryptionException

Throws:

EncryptionException

extractEncryptionMetadata

public static RepositoryObjectEncryptionMetadata extractEncryptionMetadata(byte[] encryptedRecord)
                                                                    throws EncryptionException,
                                                                           IOException,
                                                                           ClassNotFoundException

Throws:

EncryptionException

IOException

ClassNotFoundException

extractEncryptionMetadata

public static RepositoryObjectEncryptionMetadata extractEncryptionMetadata(InputStream encryptedRecord)
                                                                    throws EncryptionException,
                                                                           IOException,
                                                                           ClassNotFoundException

Throws:

EncryptionException

IOException

ClassNotFoundException

extractCipherBytes

public static byte[] extractCipherBytes(byte[] encryptedRecord,
                                        RepositoryObjectEncryptionMetadata metadata)

buildKeyProvider

public static KeyProvider buildKeyProvider(NiFiProperties niFiProperties,
                                           SecretKey masterKey,
                                           RepositoryType repositoryType)
                                    throws KeyManagementException

Throws:

KeyManagementException