com.aliyun.oss.crypto

Class ContentCryptoMaterial

java.lang.Object

com.aliyun.oss.crypto.ContentCryptoMaterial

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ContentCryptoMaterialRW

public class ContentCryptoMaterial
extends Object
implements Serializable

Content crypto material used for client-side content encryption/decryption in OSS, it only provide getting accessor.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected SecretKey	cek Prevent sensitive information serializing.
protected String	contentCryptoAlgorithm
protected byte[]	encryptedCEK
protected byte[]	encryptedIV
protected byte[]	iv Prevent sensitive information serializing.
protected String	keyWrapAlgorithm
protected Map<String,String>	matdesc

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ContentCryptoMaterial()
	ContentCryptoMaterial(SecretKey cek, byte[] iv, String contentCryptoAlgorithm, byte[] encryptedCEK, byte[] encryptedIV, String keyWrapAlgorithm, Map<String,String> matDesc)

Method Summary

Modifier and Type	Method and Description
SecretKey	getCEK()
String	getContentCryptoAlgorithm()
byte[]	getEncryptedCEK()
byte[]	getEncryptedIV()
byte[]	getIV()
String	getKeyWrapAlgorithm()
Map<String,String>	getMaterialsDescription()
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

cek

protected transient SecretKey cek

Prevent sensitive information serializing.

iv

protected transient byte[] iv

Prevent sensitive information serializing.

contentCryptoAlgorithm

protected String contentCryptoAlgorithm

encryptedCEK

protected byte[] encryptedCEK

encryptedIV

protected byte[] encryptedIV

keyWrapAlgorithm

protected String keyWrapAlgorithm

matdesc

protected Map<String,String> matdesc

Constructor Detail

ContentCryptoMaterial

protected ContentCryptoMaterial()

ContentCryptoMaterial

public ContentCryptoMaterial(SecretKey cek,
                             byte[] iv,
                             String contentCryptoAlgorithm,
                             byte[] encryptedCEK,
                             byte[] encryptedIV,
                             String keyWrapAlgorithm,
                             Map<String,String> matDesc)

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getContentCryptoAlgorithm

public String getContentCryptoAlgorithm()

Returns:

the content crypto algorithm name.

getCEK

public SecretKey getCEK()

Returns:

the content encryption key.

getIV

public byte[] getIV()

Returns:

an array of bytes representing the content crypto cipher start counter.

getEncryptedCEK

public byte[] getEncryptedCEK()

Returns:

an array of bytes representing the encrypted content encrytion key.

getEncryptedIV

public byte[] getEncryptedIV()

Returns:

an array of bytes representing the encrypted IV.

getKeyWrapAlgorithm

public String getKeyWrapAlgorithm()

Returns:

the algorithm that it wraps content encrypt key(cek) to encrypted cek.

getMaterialsDescription

public Map<String,String> getMaterialsDescription()

Returns:

the description of the encryption materials