Class TMMHParameterSpec

public class TMMHParameterSpec

extends Object

implements AlgorithmParameterSpec

This class represents the algorithm parameters for the Truncated Multi-Modular Hash function for use with JCE-derived instances of TMMH16.

This class is little more than a container for the key stream, tag length, and prefix parameters for the TMMH algorithm.

$Revision: 1.2 $

Constructor Summary
`TMMHParameterSpec(IRandom keystream, Integer tagLength)` Create a new parameter specification with no prefix.
`TMMHParameterSpec(IRandom keystream, Integer tagLength, byte[] prefix)` Create a new parameter specification.

Method Summary
`IRandom`	`getKeystream()` Return the key stream this specification was initialized with.
`byte[]`	`getPrefix()` Return the prefix, or `null` if no prefix was specified.
`Integer`	`getTagLength()` Return the tag length this specification was initialized with.

protected IRandom keystream

The keystream.

protected byte[] prefix

The prefix.

protected Integer tagLength

The tag length.

public TMMHParameterSpec(IRandom keystream,
                         Integer tagLength)

Create a new parameter specification with no prefix.
Parameters:
keystream - The (PRNG) key stream.
tagLength - The tag length.

public TMMHParameterSpec(IRandom keystream,
                         Integer tagLength,
                         byte[] prefix)

Create a new parameter specification.
Parameters:
keystream - The (PRNG) key stream.
tagLength - The tag length.
prefix - The prefix.

public IRandom getKeystream()

Return the key stream this specification was initialized with.
Returns:
The key stream.

public byte[] getPrefix()

Return the prefix, or null if no prefix was specified.
Returns:
The prefix.

public Integer getTagLength()

Return the tag length this specification was initialized with.
Returns:
The tag length.

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Field Summary