+
+void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
+uint64_t bytes_to_num(uint8_t* src, size_t len);
+
+char param_getchar(const char *line, int paramnum);
+uint8_t param_get8(const char *line, int paramnum);
+uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
+uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
+uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
+int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
+int param_getstr(const char *line, int paramnum, char * str);
+
+// Needed to Authenticate to Ultralight C tags & DESFIRE tags
+void rol (uint8_t *data, const size_t len);