anon.crypto.tinytls

Class TinyTLS.TLSOutputStream

java.lang.Object

java.io.OutputStream

anon.crypto.tinytls.TinyTLS.TLSOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

Enclosing class:

TinyTLS

class TinyTLS.TLSOutputStream
extends java.io.OutputStream

Author:

stefan TLSOutputStream

Field Summary

Fields

Modifier and Type	Field and Description
private TLSPlaintextRecord	m_aktTLSRecord
private java.io.OutputStream	m_stream

Constructor Summary

Constructors

Constructor and Description
TLSOutputStream(java.io.OutputStream ostream) Constructor

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush()
private void	send(int type, byte[] message, int offset, int len) Sends a TLS Message, given the type and message content in the correct format.
void	sendCertificateVerify() Sends a Certificate Verify message, signing the hash of all sent and received handshake messages up to this point.
void	sendChangeCipherSpec() Sends a Change Cipher Spec message accepting the change and signaling that all following messages will be encrypted.
void	sendClientCertificate() Sends a Client Certificate message with the clients certificate chain to the server.
void	sendClientFinished() Sends a Finished message to the peer.
void	sendClientHello() Sends a Client Hello message when connecting or when receiving a Hello Request message.
void	sendClientKeyExchange() Sends a Client Key Exchange message to share the premaster secret.
void	sendCloseNotify() Sends an Alert message notifying the peer that the connection will be closed and no new messages will be transfered.
void	sendHandshake(int type, byte[] message) Sends a Handshake Message, given the sub type and message content in the correct format.
void	write(byte[] message) Sends a message over a TLS secured connection.
void	write(byte[] message, int offset, int len) Sends part of a Byte Array, described by an offset and its length, as a message over a TLS secured connection.
void	write(int i)

Methods inherited from class java.lang.Object

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

Field Detail

m_stream

private java.io.OutputStream m_stream

m_aktTLSRecord

private TLSPlaintextRecord m_aktTLSRecord

Constructor Detail

TLSOutputStream

public TLSOutputStream(java.io.OutputStream ostream)

Constructor

Parameters:

ostream - The OutputStream to send TLS messages through. Probably a Socket of some sort.

Method Detail

write

public void write(byte[] message)
           throws java.io.IOException

Sends a message over a TLS secured connection.

Overrides:

write in class java.io.OutputStream

Parameters:

message - The data to be sent in a Byte Array.

Throws:

java.io.IOException

write

public void write(byte[] message,
                  int offset,
                  int len)
           throws java.io.IOException

Sends part of a Byte Array, described by an offset and its length, as a message over a TLS secured connection.

Overrides:

write in class java.io.OutputStream

Parameters:

message - A Byte Array containing the message to be sent.

offset - Where the message starts.

len - The length of the message.

Throws:

java.io.IOException

write

public void write(int i)
           throws java.io.IOException

Specified by:

write in class java.io.OutputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.OutputStream

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.OutputStream

Throws:

java.io.IOException

send

private void send(int type,
                  byte[] message,
                  int offset,
                  int len)
           throws java.io.IOException

Sends a TLS Message, given the type and message content in the correct format.

Parameters:

type - TLS Message type identifier.

message - Content of the message.

Throws:

java.io.IOException

See Also:

TLSPlaintextRecord

sendHandshake

public void sendHandshake(int type,
                          byte[] message)
                   throws java.io.IOException

Sends a Handshake Message, given the sub type and message content in the correct format.

Parameters:

type - Handshake Message type identifier.

message - Content of the message.

Throws:

java.io.IOException

See Also:

TLSHandshakeRecord

sendClientHello

public void sendClientHello()
                     throws java.io.IOException

Sends a Client Hello message when connecting or when receiving a Hello Request message.

Throws:

java.io.IOException

sendClientCertificate

public void sendClientCertificate()
                           throws java.io.IOException

Sends a Client Certificate message with the clients certificate chain to the server.

Throws:

java.io.IOException

sendClientKeyExchange

public void sendClientKeyExchange()
                           throws java.io.IOException

Sends a Client Key Exchange message to share the premaster secret.

Throws:

java.io.IOException

sendCertificateVerify

public void sendCertificateVerify()
                           throws java.io.IOException

Sends a Certificate Verify message, signing the hash of all sent and received handshake messages up to this point.

Throws:

java.io.IOException

sendChangeCipherSpec

public void sendChangeCipherSpec()
                          throws java.io.IOException

Sends a Change Cipher Spec message accepting the change and signaling that all following messages will be encrypted.

Throws:

java.io.IOException

sendCloseNotify

public void sendCloseNotify()
                     throws java.io.IOException

Sends an Alert message notifying the peer that the connection will be closed and no new messages will be transfered.

Throws:

java.io.IOException

sendClientFinished

public void sendClientFinished()
                        throws java.io.IOException

Sends a Finished message to the peer. This message is the first after changing the cipher spec and is therefore encrypted using the new algorithm, secrets and keys. This message must be verified upon reception.

Throws:

java.io.IOException