typedef void(*hf_lastBlock_fpt)(void*, const void*, uint16_t);
typedef void(*hf_ctx2hash_fpt)(void*, void*);
typedef void(*hf_free_fpt)(void*);
typedef void(*hf_lastBlock_fpt)(void*, const void*, uint16_t);
typedef void(*hf_ctx2hash_fpt)(void*, void*);
typedef void(*hf_free_fpt)(void*);