Javacard derived RSAPublicKey

public class DynamicRSAPublicKey implements RSAPublicKey {

    private RSAPublicKey key;

    public DynamicRSAPublicKey (short length) {
        key = (RSAPublicKey)KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_PUBLIC, length, false);
    }

    public DynamicRSAPublicKey (RSAPublicKey value) {
        key = value;
    }

    public boolean isInitialized() {
        return key.isInitialized();
    }

    public void clearKey() {
        key.clearKey();
    }

    public byte getType() {
        return key.getType();
    }

    public short getSize() {
        return key.getSize();
    }

    public void setModulus(byte[] buffer, short offset, short length) throws CryptoException {
        key.setModulus(buffer, offset, length);
    }

    public void setExponent(byte[] buffer, short offset, short length) throws CryptoException {
        key.setExponent(buffer, offset, length);
    }

    public short getModulus(byte[] buffer, short offset) {
        return key.getModulus(buffer, offset);
    }

    public short getExponent(byte[] buffer, short offset) {
        return key.getExponent(buffer, offset);
    }

}