com.virgilsecurity.sdk.crypto

Class StreamCipher

java.lang.Object

com.virgilsecurity.sdk.crypto.CipherBase

com.virgilsecurity.sdk.crypto.StreamCipher

All Implemented Interfaces:

AutoCloseable

public class StreamCipher
extends CipherBase
implements AutoCloseable

This class provides the functionality of a cryptographic cipher for stream encryption and decryption.

Author:

Andrii Iakovenko

Constructor Summary

Constructors

Constructor and Description
StreamCipher() Create a new instance of StreamCipher

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	decryptWithKey(InputStream inputStream, OutputStream outputStream, Recipient recipient, PrivateKey privateKey) Decrypt encrypted data from stream with key protected by password.
void	decryptWithKey(InputStream inputStream, OutputStream outputStream, Recipient recipient, PrivateKey privateKey, Password privateKeyPassword) Decrypt encrypted data from stream with key protected by password.
void	decryptWithPassword(InputStream inputStream, OutputStream outputStream, Password password) Decrypt encrypted data from stream with password.
void	encrypt(InputStream inputStream, OutputStream outputStream) Encrypt stream data.
void	encrypt(InputStream inputStream, OutputStream outputStream, boolean embedContentInfo) Encrypt stream data.

Methods inherited from class com.virgilsecurity.sdk.crypto.CipherBase

addKeyRecipient, addKeyRecipient, addPasswordRecipient, addPasswordRecipient, customParams, defineContentInfoSize, getContentInfo, removeAllRecipients, removeKeyRecipient, removePasswordRecipient, setContentInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamCipher

public StreamCipher()

Create a new instance of StreamCipher

Method Detail

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Overrides:

close in class CipherBase

Throws:

Exception

encrypt

public void encrypt(InputStream inputStream,
           OutputStream outputStream,
           boolean embedContentInfo)

Encrypt stream data.

Parameters:

inputStream - the input stream to be encrypted.

outputStream - encrypted data will be written to this stream.

embedContentInfo - true if content information should be embedded into data.

encrypt

public void encrypt(InputStream inputStream,
           OutputStream outputStream)

Encrypt stream data.

Parameters:

inputStream - the input stream to be encrypted.

outputStream - encrypted data will be written to this stream.

decryptWithKey

public void decryptWithKey(InputStream inputStream,
                  OutputStream outputStream,
                  Recipient recipient,
                  PrivateKey privateKey,
                  Password privateKeyPassword)

Decrypt encrypted data from stream with key protected by password.

Parameters:

inputStream - the input stream to be decrypted.

outputStream - decrypted data will be written to this stream.

recipient - the recipient.

privateKey - the private key used for data decryption.

privateKeyPassword - the private key password.

decryptWithKey

public void decryptWithKey(InputStream inputStream,
                  OutputStream outputStream,
                  Recipient recipient,
                  PrivateKey privateKey)

Decrypt encrypted data from stream with key protected by password.

Parameters:

inputStream - the input stream to be decrypted.

outputStream - decrypted data will be written to this stream.

recipient - the recipient.

privateKey - the private key used for data decryption.

decryptWithPassword

public void decryptWithPassword(InputStream inputStream,
                       OutputStream outputStream,
                       Password password)

Decrypt encrypted data from stream with password.

Parameters:

inputStream - the input stream to be decrypted.

outputStream - decrypted data will be written to this stream.

password - the password used for data decryption.