com.emc.codec.encryption

Class EncryptionCodec

java.lang.Object

com.emc.codec.AbstractCodec<EncryptionMetadata>

com.emc.codec.encryption.EncryptionCodec

All Implemented Interfaces:

Decoder<EncryptionMetadata>, Encoder<EncryptionMetadata>, java.lang.Comparable<AbstractCodec<EncryptionMetadata>>

public class EncryptionCodec
extends AbstractCodec<EncryptionMetadata>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	EncryptionCodec.SigningEncodeMetadataListener

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	AES_CBC_PKCS5_CIPHER
static int	DEFAULT_KEY_SIZE
static int	PRIORITY
static java.lang.String	PROP_KEY_PROVIDER
static java.lang.String	PROP_KEY_SIZE
static java.lang.String	PROP_SECURITY_PROVIDER
static java.lang.String	SECURE_RANDOM_INSTANCE

Constructor Summary

Constructors

Constructor and Description
EncryptionCodec()

Method Summary

Modifier and Type	Method and Description
protected KeyProvider	_getKeyProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties)
boolean	canProcess(java.lang.String encodeSpec)
protected javax.crypto.Cipher	createCipher(java.lang.String cipherSpec, java.security.Provider provider)
EncryptionMetadata	createEncodeMetadata(java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.String> metaMap)
static java.lang.String	encodeSpec(java.lang.String cipherSpec)
java.lang.String	encryptKey(javax.crypto.SecretKey key, java.security.KeyPair masterKey, java.security.Provider provider)
protected javax.crypto.SecretKey	generateKey(java.lang.String cipherSpec, int keySize, java.security.Provider provider)
long	getDecodedSize(EncryptionMetadata encodeInfo)
java.io.InputStream	getDecodingStream(java.io.InputStream originalStream, EncryptionMetadata metadata, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
java.io.OutputStream	getDecodingStream(java.io.OutputStream originalStream, EncryptionMetadata metadata, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
java.lang.String	getDefaultEncodeSpec()
long	getEncodedSize(long originalSize, java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
EncodeInputStream<EncryptionMetadata>	getEncodingStream(java.io.InputStream originalStream, java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
EncodeOutputStream<EncryptionMetadata>	getEncodingStream(java.io.OutputStream originalStream, java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
static KeyProvider	getKeyProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties)
static int	getKeySize(java.util.Map<java.lang.String,java.lang.Object> codecProperties)
int	getPriority()
protected java.security.SecureRandom	getSecureRandom(java.security.Provider provider)
static java.security.Provider	getSecurityProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties)
protected javax.crypto.Cipher	initDecryptCipher(EncryptionMetadata metadata, KeyProvider keyProvider, java.security.Provider provider)
protected javax.crypto.Cipher	initEncryptCipher(java.lang.String cipherSpec, javax.crypto.SecretKey key, java.security.Provider provider)
boolean	isSizePredictable()
void	rekey(EncryptionMetadata metadata, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
void	rekey(java.util.Map<java.lang.String,java.lang.String> metaMap, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
static void	setKeyProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties, KeyProvider keyProvider)
static void	setKeySize(java.util.Map<java.lang.String,java.lang.Object> codecProperties, int keySize)
static void	setPropSecurityProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties, java.security.Provider securityProvider)

Methods inherited from class com.emc.codec.AbstractCodec

canDecode, canEncode, compareTo, getEncodedSize, getEncodingStream, getEncodingStream

Methods inherited from class java.lang.Object

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

Field Detail

PRIORITY

public static final int PRIORITY

See Also:

Constant Field Values

SECURE_RANDOM_INSTANCE

public static final java.lang.String SECURE_RANDOM_INSTANCE

See Also:

Constant Field Values

AES_CBC_PKCS5_CIPHER

public static final java.lang.String AES_CBC_PKCS5_CIPHER

See Also:

Constant Field Values

PROP_KEY_SIZE

public static final java.lang.String PROP_KEY_SIZE

See Also:

Constant Field Values

PROP_KEY_PROVIDER

public static final java.lang.String PROP_KEY_PROVIDER

See Also:

Constant Field Values

PROP_SECURITY_PROVIDER

public static final java.lang.String PROP_SECURITY_PROVIDER

See Also:

Constant Field Values

DEFAULT_KEY_SIZE

public static final int DEFAULT_KEY_SIZE

See Also:

Constant Field Values

Constructor Detail

EncryptionCodec

public EncryptionCodec()

Method Detail

encodeSpec

public static java.lang.String encodeSpec(java.lang.String cipherSpec)

getKeySize

public static int getKeySize(java.util.Map<java.lang.String,java.lang.Object> codecProperties)

setKeySize

public static void setKeySize(java.util.Map<java.lang.String,java.lang.Object> codecProperties,
                              int keySize)

getKeyProvider

public static KeyProvider getKeyProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties)

setKeyProvider

public static void setKeyProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties,
                                  KeyProvider keyProvider)

getSecurityProvider

public static java.security.Provider getSecurityProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties)

setPropSecurityProvider

public static void setPropSecurityProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties,
                                           java.security.Provider securityProvider)

canProcess

public boolean canProcess(java.lang.String encodeSpec)

Specified by:

canProcess in class AbstractCodec<EncryptionMetadata>

getDefaultEncodeSpec

public java.lang.String getDefaultEncodeSpec()

getPriority

public int getPriority()

createEncodeMetadata

public EncryptionMetadata createEncodeMetadata(java.lang.String encodeSpec,
                                               java.util.Map<java.lang.String,java.lang.String> metaMap)

getDecodedSize

public long getDecodedSize(EncryptionMetadata encodeInfo)

getDecodingStream

public java.io.OutputStream getDecodingStream(java.io.OutputStream originalStream,
                                              EncryptionMetadata metadata,
                                              java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getDecodingStream

public java.io.InputStream getDecodingStream(java.io.InputStream originalStream,
                                             EncryptionMetadata metadata,
                                             java.util.Map<java.lang.String,java.lang.Object> codecProperties)

isSizePredictable

public boolean isSizePredictable()

getEncodedSize

public long getEncodedSize(long originalSize,
                           java.lang.String encodeSpec,
                           java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getEncodingStream

public EncodeOutputStream<EncryptionMetadata> getEncodingStream(java.io.OutputStream originalStream,
                                                                java.lang.String encodeSpec,
                                                                java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getEncodingStream

public EncodeInputStream<EncryptionMetadata> getEncodingStream(java.io.InputStream originalStream,
                                                               java.lang.String encodeSpec,
                                                               java.util.Map<java.lang.String,java.lang.Object> codecProperties)

rekey

public void rekey(java.util.Map<java.lang.String,java.lang.String> metaMap,
                  java.util.Map<java.lang.String,java.lang.Object> codecProperties)

rekey

public void rekey(EncryptionMetadata metadata,
                  java.util.Map<java.lang.String,java.lang.Object> codecProperties)

initEncryptCipher

protected javax.crypto.Cipher initEncryptCipher(java.lang.String cipherSpec,
                                                javax.crypto.SecretKey key,
                                                java.security.Provider provider)

initDecryptCipher

protected javax.crypto.Cipher initDecryptCipher(EncryptionMetadata metadata,
                                                KeyProvider keyProvider,
                                                java.security.Provider provider)

createCipher

protected javax.crypto.Cipher createCipher(java.lang.String cipherSpec,
                                           java.security.Provider provider)

generateKey

protected javax.crypto.SecretKey generateKey(java.lang.String cipherSpec,
                                             int keySize,
                                             java.security.Provider provider)

encryptKey

public java.lang.String encryptKey(javax.crypto.SecretKey key,
                                   java.security.KeyPair masterKey,
                                   java.security.Provider provider)

_getKeyProvider

protected KeyProvider _getKeyProvider(java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getSecureRandom

protected java.security.SecureRandom getSecureRandom(java.security.Provider provider)