Class OutputBuffer

public class OutputBuffer extends Object

The implementation of an outgoing SASL buffer.

The data elements this class caters for are described in [1].

References:

Secure Remote Password Authentication Mechanism;
draft-burdis-cat-srp-sasl-09,
Keith Burdis and Raïf S. Naffah.

Version: $Revision: 1.5 $

Constructor Summary
	OutputBuffer()

Method Summary
byte[]	encode() Returns the encoded form of the current buffer including the 4-byte length header.
void	setEOS(byte[] b) Encodes a SASL EOS to the current buffer.
void	setMPI(BigInteger val) Encodes a SASL MPI to the current buffer.
void	setOS(byte[] b) Encodes a SASL OS to the current buffer.
void	setScalar(int count, int b) Encodes a SASL scalar quantity, `count`-octet long, to the current buffer.
void	setText(String str) Encodes a SASL Text to the current buffer.
byte[]	wrap() Returns the encoded form of the current buffer excluding the 4-byte length header.

Method Detail

encode

public byte[] encode()

Returns the encoded form of the current buffer including the 4-byte length header.

Throws: SaslEncodingException if an encoding size constraint is violated.

setEOS

public void setEOS(byte[] b)

Encodes a SASL EOS to the current buffer.

Parameters: b the EOS element.

Throws: SaslEncodingException if an encoding size constraint is violated. IOException if any other I/O exception occurs during the operation.

setMPI

public void setMPI(BigInteger val)

Encodes a SASL MPI to the current buffer.

Parameters: val the MPI element.

Throws: SaslEncodingException if an encoding size constraint is violated. IOException if any other I/O exception occurs during the operation.

setOS

public void setOS(byte[] b)

Encodes a SASL OS to the current buffer.

Parameters: b the OS element.

Throws: SaslEncodingException if an encoding size constraint is violated. IOException if any other I/O exception occurs during the operation.

setScalar

public void setScalar(int count, int b)

Encodes a SASL scalar quantity, count-octet long, to the current buffer.

Parameters: count number of octets to encode b with. b the scalar quantity.

Throws: SaslEncodingException if an encoding size constraint is violated. IOException if any other I/O exception occurs during the operation.

setText

public void setText(String str)

Encodes a SASL Text to the current buffer.

Parameters: str the Text element.

Throws: SaslEncodingException if an encoding size constraint is violated. SaslEncodingException if the UTF-8 encoding is not supported on this platform. IOException if any other I/O exception occurs during the operation.

wrap

public byte[] wrap()

Returns the encoded form of the current buffer excluding the 4-byte length header.

Throws: SaslEncodingException if an encoding size constraint is violated.

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