}camellia128_ctx_t;
-void camellia128_init(camellia128_ctx_t* s, uint8_t* key);
-void camellia128_enc(camellia128_ctx_t* s, void* block);
-void camellia128_dec(camellia128_ctx_t* s, void* block);
+void camellia128_init(const void* key, camellia128_ctx_t* s);
+void camellia128_enc(void* block, const camellia128_ctx_t* s);
+void camellia128_dec(void* block, const camellia128_ctx_t* s);
#endif /*CAMELLIA_H_*/