22 #ifndef NDN_CXX_SECURITY_TRANSFORM_HEX_ENCODE_HPP    23 #define NDN_CXX_SECURITY_TRANSFORM_HEX_ENCODE_HPP    55   convert(
const uint8_t* data, 
size_t dataLen) 
final;
    60   unique_ptr<Transform::OBuffer>
    61   toHex(
const uint8_t* data, 
size_t dataLen);
    74 #endif // NDN_CXX_SECURITY_TRANSFORM_HEX_ENCODE_HPP