/**
     * Check the asymmetric key length
     */
    public void checkAsymmetricKeyLength(
        PublicKey publicKey
    ) throws WSSecurityException {
        if (publicKey == null) {
            return;
        }
        if (publicKey instanceof RSAPublicKey) {
            int modulus = ((RSAPublicKey)publicKey).getModulus().bitLength();
            if (modulus < algorithmSuite.getMinimumAsymmetricKeyLength()
                || modulus > algorithmSuite.getMaximumAsymmetricKeyLength()) {
                LOG.debug(
                    "The asymmetric key length does not match the requirement"
                );
                throw new WSSecurityException(WSSecurityException.INVALID_SECURITY);
            }
        } else if (publicKey instanceof DSAPublicKey) {
            int length = ((DSAPublicKey)publicKey).getParams().getP().bitLength();
            if (length < algorithmSuite.getMinimumAsymmetricKeyLength()
                || length > algorithmSuite.getMaximumAsymmetricKeyLength()) {
                LOG.debug(
                    "The asymmetric key length does not match the requirement"
                );
                throw new WSSecurityException(WSSecurityException.INVALID_SECURITY);
            }
        } else {
            LOG.debug(
                "An unknown public key was provided"
            );
            throw new WSSecurityException(WSSecurityException.INVALID_SECURITY);
        }
    }