8 #ifndef BOTAN_KEYED_FILTER_H__ 9 #define BOTAN_KEYED_FILTER_H__ 11 #include <botan/filter.h> 12 #include <botan/sym_algo.h> 41 virtual bool valid_keylength(
size_t length)
const = 0;
49 {
return (length == 0); }
virtual bool valid_iv_length(size_t length) const