org.spongycastle.pqc.crypto.mceliece

Class McElieceCCA2Parameters

java.lang.Object

org.spongycastle.pqc.crypto.mceliece.McElieceParameters

org.spongycastle.pqc.crypto.mceliece.McElieceCCA2Parameters

All Implemented Interfaces:

CipherParameters

public class McElieceCCA2Parameters
extends McElieceParameters

Field Summary

Fields inherited from class org.spongycastle.pqc.crypto.mceliece.McElieceParameters

DEFAULT_M, DEFAULT_T

Constructor Summary

Constructors

Constructor and Description
McElieceCCA2Parameters() Constructor.
McElieceCCA2Parameters(int keysize) Constructor.
McElieceCCA2Parameters(int m, int t) Constructor.
McElieceCCA2Parameters(int m, int t, int poly) Constructor.
McElieceCCA2Parameters(int m, int t, int poly, java.lang.String digest) Constructor.
McElieceCCA2Parameters(int m, int t, java.lang.String digest) Constructor.
McElieceCCA2Parameters(int keysize, java.lang.String digest) Constructor.
McElieceCCA2Parameters(java.lang.String digest)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDigest() Return the CCA2 mode digest if set.

Methods inherited from class org.spongycastle.pqc.crypto.mceliece.McElieceParameters

getFieldPoly, getM, getN, getT

Methods inherited from class java.lang.Object

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

Constructor Detail

McElieceCCA2Parameters

public McElieceCCA2Parameters()

Constructor. Set the default parameters: extension degree.

McElieceCCA2Parameters

public McElieceCCA2Parameters(java.lang.String digest)

McElieceCCA2Parameters

public McElieceCCA2Parameters(int keysize)

Constructor.

Parameters:

keysize - the length of a Goppa code

Throws:

java.lang.IllegalArgumentException - if keysize < 1.

McElieceCCA2Parameters

public McElieceCCA2Parameters(int keysize,
                              java.lang.String digest)

Constructor.

Parameters:

keysize - the length of a Goppa code

digest - CCA2 mode digest

Throws:

java.lang.IllegalArgumentException - if keysize < 1.

McElieceCCA2Parameters

public McElieceCCA2Parameters(int m,
                              int t)

Constructor.

Parameters:

m - degree of the finite field GF(2^m)

t - error correction capability of the code

Throws:

java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n.

McElieceCCA2Parameters

public McElieceCCA2Parameters(int m,
                              int t,
                              java.lang.String digest)

Constructor.

Parameters:

m - degree of the finite field GF(2^m)

t - error correction capability of the code

Throws:

java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n.

McElieceCCA2Parameters

public McElieceCCA2Parameters(int m,
                              int t,
                              int poly)

Constructor.

Parameters:

m - degree of the finite field GF(2^m)

t - error correction capability of the code

poly - the field polynomial

Throws:

java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n or poly is not an irreducible field polynomial.

McElieceCCA2Parameters

public McElieceCCA2Parameters(int m,
                              int t,
                              int poly,
                              java.lang.String digest)

Constructor.

Parameters:

m - degree of the finite field GF(2^m)

t - error correction capability of the code

poly - the field polynomial

digest - CCA2 mode digest

Throws:

java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n or poly is not an irreducible field polynomial.

Method Detail

getDigest

public java.lang.String getDigest()

Return the CCA2 mode digest if set.

Returns:

the CCA2 digest to use, null if not present.