-void add_entropy(void *data, size_t n_bit);
-size_t pool_size(void);
-void get_bit(void *data, size_t n_bit);
-void get_bit_n(void *data, size_t n_bit);
-bool save_pool(void);
-uint8_t load_pool(void);
+typedef struct EntropyPool
+{
+ size_t entropy; ///< Actual value of entropy (byte).
+ size_t pos_add; ///< Number of byte idd in entropy pool.
+ size_t pos_get; ///< Number of byte get in entropy pool.
+ size_t counter; ///< Counter.
+ size_t last_counter; ///< Last timer value.
+ uint8_t pool_entropy[CONFIG_SIZE_ENTROPY_POOL]; ///< Entropy pool.
+
+} EntropyPool;
+
+
+void randpool_add(EntropyPool *pool, void *data, size_t data_len, size_t entropy);
+void randpool_init(EntropyPool *pool, void *_data, size_t len);
+size_t randpool_size(EntropyPool *pool);
+void randpool_get(EntropyPool *pool, void *data, size_t n_byte);
+void randpool_getN(EntropyPool *pool, void *data, size_t n_byte);
+uint8_t *randpool_pool(EntropyPool *pool);