Write static funcion push_byte.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@768 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/algos/randpool.c b/algos/randpool.c
index 42d50d5565716cc10799f759296824ec95d0510a..b7f090b92daeabe6b805db3fcddcef84686a384f 100755 (executable)
--- a/algos/randpool.c
+++ b/algos/randpool.c
@@ -13,46 +13,78 @@
 
 /*#*
  *#* $Log$
- *#* Revision 1.2  2007/02/08 11:53:03  asterix
- *#* Add EntrPool struct. Typos.
+ *#* Revision 1.3  2007/02/08 14:25:29  asterix
+ *#* Write static funcion push_byte.
  *#*
  *#*/
 
 #include "randpool.h"
 #include "md2.h"
 
+#include <string.h>            //memset(), memcpy();
 #include <cfg/compiler.h>
 #include <cfg/debug.h>        //ASSERT()
 
 static void stir(EntrPool *pool)
 {
+       
 }
 
-void init_pool(EntrPool *pool);
+/*
+ * Insert bytes in entropy pool, making a XOR of bytes present
+ * in entropy pool.
+ */
+static void push_byte(EntrPool *pool, void *_byte)
 {
+       size_t i = pool->pool_pos_add; // Current number of byte insert in entropy pool.
+       size_t len_byte;
+       uint8_t *byte;
+
+               
+       byte = (uint8_t *)_byte;
+       len_byte = strlen(byte);
+
+       /*
+        * Insert a bytes in entropy pool.
+        */
+       for(int j = 0; j < len_byte; j++)
+       {
+               pool->pool_entropy[i] = pool->pool_entropy[i] ^ byte[j];
+               i = (i++) % CONFIG_SIZE_ENTROPY_POOL;
+       }
+
+       pool->pool_pos_add  =  i; // Update a insert bytes.
 }
 
-void add_data(EntrPool *pool, void *data, size_t n_bit);
+void init_pool(EntrPool *pool)
 {
+       
+       memset(pool, 0, sizeof(EntrPool));
+
+}
+
+void add_data(EntrPool *pool, void *data, size_t n_bit)
+{
+
 }
 
-size_t pool_size(EntrPool *pool);
+size_t pool_size(EntrPool *pool)
 {
 }
 
-void get_bit(EntrPool *pool, void *data, size_t n_bit);
+void get_bit(EntrPool *pool, void *data, size_t n_bit)
 {
 }
 
-void get_bit_n(EntrPool *pool, void *data, size_t n_bit);
+void get_bit_n(EntrPool *pool, void *data, size_t n_bit)
 {
 }
 
-bool save_pool(void *data);
+bool save_pool(void *data)
 {
 }
 
-uint8_t *load_pool(void);
+uint8_t *load_pool(void)
 {
 }