org.bouncycastle.pqc.jcajce.provider.mceliece

Class McElieceCCA2Primitives

java.lang.Object

org.bouncycastle.pqc.jcajce.provider.mceliece.McElieceCCA2Primitives

public final class McElieceCCA2Primitives
extends java.lang.Object

Core operations for the CCA-secure variants of McEliece.

Method Summary

Modifier and Type	Method and Description
static GF2Vector[]	decryptionPrimitive(BCMcElieceCCA2PrivateKey privKey, GF2Vector c) The McEliece decryption primitive.
static GF2Vector[]	decryptionPrimitive(McElieceCCA2PrivateKeyParameters privKey, GF2Vector c)
static GF2Vector	encryptionPrimitive(BCMcElieceCCA2PublicKey pubKey, GF2Vector m, GF2Vector z) The McEliece encryption primitive.
static GF2Vector	encryptionPrimitive(McElieceCCA2PublicKeyParameters pubKey, GF2Vector m, GF2Vector z)

Methods inherited from class java.lang.Object

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

Method Detail

encryptionPrimitive

public static GF2Vector encryptionPrimitive(BCMcElieceCCA2PublicKey pubKey,
                                            GF2Vector m,
                                            GF2Vector z)

The McEliece encryption primitive.

Parameters:

pubKey - the public key

m - the message vector

z - the error vector

Returns:

m*G + z

encryptionPrimitive

public static GF2Vector encryptionPrimitive(McElieceCCA2PublicKeyParameters pubKey,
                                            GF2Vector m,
                                            GF2Vector z)

decryptionPrimitive

public static GF2Vector[] decryptionPrimitive(BCMcElieceCCA2PrivateKey privKey,
                                              GF2Vector c)

The McEliece decryption primitive.

Parameters:

privKey - the private key

c - the ciphertext vector c = m*G + z

Returns:

the message vector m and the error vector z

decryptionPrimitive

public static GF2Vector[] decryptionPrimitive(McElieceCCA2PrivateKeyParameters privKey,
                                              GF2Vector c)