Package org.apache.cassandra.security

Class EncryptionContext

java.lang.Object

org.apache.cassandra.security.EncryptionContext

public class EncryptionContext
extends Object

A (largely) immutable wrapper for the application-wide file-level encryption settings.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ENCRYPTION_CIPHER
static final String	ENCRYPTION_IV
static final String	ENCRYPTION_KEY_ALIAS

Constructor Summary

Constructors

Constructor	Description
EncryptionContext()
EncryptionContext(TransparentDataEncryptionOptions tdeOptions)
EncryptionContext(TransparentDataEncryptionOptions tdeOptions, byte[] iv, boolean init)

Method Summary

Modifier and Type	Method	Description
static EncryptionContext	createFromMap(Map<?,?> parameters, EncryptionContext encryptionContext)	If encryption headers are found in the parameters, those headers are merged with the application-wide encryptionContext.
boolean	equals(Object o)
boolean	equals(EncryptionContext other)
int	getChunkLength()
ICompressor	getCompressor()
Cipher	getDecryptor()
Cipher	getEncryptor()
byte[]	getIV()
TransparentDataEncryptionOptions	getTransparentDataEncryptionOptions()
boolean	isEnabled()
Map<String,String>	toHeaderParameters()

Methods inherited from class java.lang.Object

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

Field Details

ENCRYPTION_CIPHER

public static final String ENCRYPTION_CIPHER

See Also:

• Constant Field Values

ENCRYPTION_KEY_ALIAS

public static final String ENCRYPTION_KEY_ALIAS

See Also:

• Constant Field Values

ENCRYPTION_IV

public static final String ENCRYPTION_IV

See Also:

• Constant Field Values

Constructor Details

EncryptionContext

public EncryptionContext()

EncryptionContext

public EncryptionContext(TransparentDataEncryptionOptions tdeOptions)

EncryptionContext

public EncryptionContext(TransparentDataEncryptionOptions tdeOptions,
 byte[] iv,
 boolean init)

Method Details

getCompressor

public ICompressor getCompressor()

getEncryptor

public Cipher getEncryptor()
                    throws IOException

Throws:

IOException

getDecryptor

public Cipher getDecryptor()
                    throws IOException

Throws:

IOException

isEnabled

public boolean isEnabled()

getChunkLength

public int getChunkLength()

getIV

public byte[] getIV()

getTransparentDataEncryptionOptions

public TransparentDataEncryptionOptions getTransparentDataEncryptionOptions()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

equals

public boolean equals(EncryptionContext other)

toHeaderParameters

public Map<String,String> toHeaderParameters()

createFromMap

public static EncryptionContext createFromMap(Map<?,?> parameters,
 EncryptionContext encryptionContext)

If encryption headers are found in the parameters, those headers are merged with the application-wide encryptionContext.