com.virgilsecurity.crypto

Class VirgilCipher

java.lang.Object

com.virgilsecurity.crypto.VirgilCipherBase

com.virgilsecurity.crypto.VirgilCipher

All Implemented Interfaces:

AutoCloseable

public class VirgilCipher
extends VirgilCipherBase
implements AutoCloseable

This class provides high-level interface to encrypt / decrypt data using Virgil Security keys.

Author:

Andrii Iakovenko

Field Summary

Fields inherited from class com.virgilsecurity.crypto.VirgilCipherBase

swigCMemOwn

Constructor Summary

Constructors

Modifier	Constructor and Description
	VirgilCipher() Create a new instance of VirgilCipher
protected	VirgilCipher(long cPtr, boolean cMemoryOwn)

Method Summary

Modifier and Type	Method and Description
void	close()
byte[]	decryptWithKey(byte[] encryptedData, byte[] recipientId, byte[] privateKey) Decrypt given data for recipient defined by id and private key.
byte[]	decryptWithKey(byte[] encryptedData, byte[] recipientId, byte[] privateKey, byte[] privateKeyPassword) Decrypt given data for recipient defined by id and private key.
byte[]	decryptWithPassword(byte[] encryptedData, byte[] pwd) Decrypt given data for recipient defined by password.
void	delete()
byte[]	encrypt(byte[] data) Encrypt given data.
byte[]	encrypt(byte[] data, boolean embedContentInfo) Encrypt given data.
protected void	finalize()
protected static long	getCPtr(VirgilCipher obj)

Methods inherited from class com.virgilsecurity.crypto.VirgilCipherBase

addKeyRecipient, addPasswordRecipient, computeShared, computeShared, customParams, defineContentInfoSize, getContentInfo, getCPtr, keyRecipientExists, passwordRecipientExists, removeAllRecipients, removeKeyRecipient, removePasswordRecipient, setContentInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

VirgilCipher

protected VirgilCipher(long cPtr,
                       boolean cMemoryOwn)

VirgilCipher

public VirgilCipher()

Create a new instance of VirgilCipher

Method Detail

getCPtr

protected static long getCPtr(VirgilCipher obj)

finalize

protected void finalize()

Overrides:

finalize in class VirgilCipherBase

delete

public void delete()

Overrides:

delete in class VirgilCipherBase

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class VirgilCipherBase

encrypt

public byte[] encrypt(byte[] data,
                      boolean embedContentInfo)

Encrypt given data.

Parameters:

data - Data to be encrypted.

embedContentInfo - Determines whether to embed content info the the encrypted data, or not.

Returns:

Encrypted data.

encrypt

public byte[] encrypt(byte[] data)

Encrypt given data.

Parameters:

data - Data to be encrypted.

Returns:

Encrypted data.

decryptWithKey

public byte[] decryptWithKey(byte[] encryptedData,
                             byte[] recipientId,
                             byte[] privateKey,
                             byte[] privateKeyPassword)

Decrypt given data for recipient defined by id and private key.

Parameters:

encryptedData - Data to be decrypted.

recipientId - The recipient identifier.

privateKey - Recipient's private key protected with password.

privateKeyPassword - The private key password.

Returns:

Decrypted data.

decryptWithKey

public byte[] decryptWithKey(byte[] encryptedData,
                             byte[] recipientId,
                             byte[] privateKey)

Decrypt given data for recipient defined by id and private key.

Parameters:

encryptedData - Data to be decrypted.

recipientId - The recipient identifier.

privateKey - Recipient's private key.

Returns:

Decrypted data.

decryptWithPassword

public byte[] decryptWithPassword(byte[] encryptedData,
                                  byte[] pwd)

Decrypt given data for recipient defined by password.

Parameters:

encryptedData - Data to be decrypted.

pwd - The password.

Returns:

Decrypted data.