-void groestl224(void* dest, const void* msg, uint32_t length_b);
-void groestl256(void* dest, const void* msg, uint32_t length_b);
+void groestl224(void *dest, const void *msg, uint32_t length_b);
+void groestl256(void *dest, const void *msg, uint32_t length_b);