public boolean estCleValable(String k) {
		if(super.estCleValable(k)) {
			long f=this.n;
			this.diviserKey(k);
			this.interpreterClePublique();
			if(f!=this.n) {
				JOptionPane.showMessageDialog(null, "Les cls publique et priv ne correspondent pas", "Cl incorrecte", JOptionPane.ERROR_MESSAGE);
				return false;
			}
			return true;
		}
		else {
			return false;
		}
	}