org.bouncycastle.pqc.crypto.mceliece
Class McElieceCCA2Primitives

java.lang.Object
  org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2Primitives

public final class McElieceCCA2Primitives
extends java.lang.Object

Core operations for the CCA-secure variants of McEliece.

Method Summary

static GF2Vector[]	decryptionPrimitive(McElieceCCA2PrivateKeyParameters privKey, GF2Vector c) The McEliece decryption primitive.
static GF2Vector	encryptionPrimitive(McElieceCCA2PublicKeyParameters pubKey, GF2Vector m, GF2Vector z) The McEliece encryption primitive.

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(McElieceCCA2PublicKeyParameters 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

decryptionPrimitive

public static GF2Vector[] decryptionPrimitive(McElieceCCA2PrivateKeyParameters 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