}
IntegerPolynomial h = g.mult(fq, q);
h.mult3(q);
h.ensurePositive(q);
g.clear();
fq.clear();
NTRUEncryptionPrivateKeyParameters priv = new NTRUEncryptionPrivateKeyParameters(h, t, fp, params.getEncryptionParameters());
NTRUEncryptionPublicKeyParameters pub = new NTRUEncryptionPublicKeyParameters(h, params.getEncryptionParameters());
return new AsymmetricCipherKeyPair(pub, priv);