Package org.apache.hadoop.crypto

Class JceCtrCryptoCodec

java.lang.Object

org.apache.hadoop.crypto.CryptoCodec

org.apache.hadoop.crypto.JceCtrCryptoCodec

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, Configurable

Direct Known Subclasses:

JceAesCtrCryptoCodec, JceSm4CtrCryptoCodec

@Private
@Evolving
public abstract class JceCtrCryptoCodec
extends CryptoCodec

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	JceCtrCryptoCodec.JceCtrCipher

Field Summary

Fields inherited from class org.apache.hadoop.crypto.CryptoCodec

LOG

Constructor Summary

Constructors

Constructor	Description
JceCtrCryptoCodec()

Method Summary

Modifier and Type	Method	Description
void	calculateIV(byte[] initIV, long counter, byte[] iv, int blockSize)
void	close()
void	generateSecureRandom(byte[] bytes)	Generate a number of secure, random bytes suitable for cryptographic use.
Configuration	getConf()	Return the configuration used by this object.
protected abstract org.slf4j.Logger	getLogger()
java.lang.String	getProvider()
void	setConf(Configuration conf)	Set the configuration to be used by this object.
void	setProvider(java.lang.String provider)

Methods inherited from class org.apache.hadoop.crypto.CryptoCodec

calculateIV, createDecryptor, createEncryptor, getCipherSuite, getInstance, getInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

JceCtrCryptoCodec

public JceCtrCryptoCodec()

Method Detail

getProvider

public java.lang.String getProvider()

setProvider

public void setProvider(java.lang.String provider)

calculateIV

public void calculateIV(byte[] initIV,
                        long counter,
                        byte[] iv,
                        int blockSize)

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

getLogger

protected abstract org.slf4j.Logger getLogger()

getConf

public Configuration getConf()

Description copied from interface: Configurable

Return the configuration used by this object.

Returns:

Configuration

setConf

public void setConf(Configuration conf)

Description copied from interface: Configurable

Set the configuration to be used by this object.

Parameters:

conf - configuration to be used

generateSecureRandom

public void generateSecureRandom(byte[] bytes)

Description copied from class: CryptoCodec

Generate a number of secure, random bytes suitable for cryptographic use. This method needs to be thread-safe.

Specified by:

generateSecureRandom in class CryptoCodec

Parameters:

bytes - byte array to populate with random data