typedef twister_big_ctx_t twister384_ctx_t;
typedef twister_big_ctx_t twister512_ctx_t;
-void twister_big_nextBlock(twister_big_ctx_t* ctx, void* msg);
+/*********************************************************************/
+
+void twister_big_nextBlock(twister_big_ctx_t* ctx, const void* msg);
void twister_big_init(twister_big_ctx_t* ctx, uint16_t hashsize_b);
-void twister_big_lastBlock(twister_big_ctx_t* ctx, void* msg, uint16_t length_b);
+void twister_big_lastBlock(twister_big_ctx_t* ctx, const void* msg, uint16_t length_b);
void twister_big_ctx2hash(void* dest, twister_big_ctx_t* ctx, uint16_t hashsize_b);
+/*********************************************************************/
void twister384_init(twister384_ctx_t* ctx);
-void twister384_nextBlock(twister384_ctx_t* ctx, void* msg);
-void twister384_lastBlock(twister384_ctx_t* ctx, void* msg, uint16_t length_b);
+void twister384_nextBlock(twister384_ctx_t* ctx, const void* msg);
+void twister384_lastBlock(twister384_ctx_t* ctx, const void* msg, uint16_t length_b);
void twister384_ctx2hash(void* dest, twister384_ctx_t* ctx);
-void twister384(void* dest, void* msg, uint32_t msg_length_b);
+void twister384(void* dest, const void* msg, uint32_t msg_length_b);
+
+/*********************************************************************/
void twister512_init(twister512_ctx_t* ctx);
-void twister512_nextBlock(twister512_ctx_t* ctx, void* msg);
-void twister512_lastBlock(twister512_ctx_t* ctx, void* msg, uint16_t length_b);
+void twister512_nextBlock(twister512_ctx_t* ctx, const void* msg);
+void twister512_lastBlock(twister512_ctx_t* ctx, const void* msg, uint16_t length_b);
void twister512_ctx2hash(void* dest, twister512_ctx_t* ctx);
-void twister512(void* dest, void* msg, uint32_t msg_length_b);
+void twister512(void* dest, const void* msg, uint32_t msg_length_b);
#endif /* TWISTER_BIG_H_ */