update to cvs head srtp

libs/srtp/crypto/include/rdbx.h

@@ -46,19 +46,29 @@ typedef uint64_t xtd_seq_num_t;
 
 typedef struct {
   xtd_seq_num_t index;
-  v128_t bitmask;
+  bitvector_t bitmask;
 } rdbx_t;
 
 
 /*
- * rdbx_init(rdbx_ptr)
+ * rdbx_init(rdbx_ptr, ws)
  *
- * initializes the rdbx pointed to by its argument, setting the
- * rollover counter and sequence number to zero
+ * initializes the rdbx pointed to by its argument with the window size ws,
+ * setting the rollover counter and sequence number to zero
  */
 
 err_status_t
-rdbx_init(rdbx_t *rdbx);
+rdbx_init(rdbx_t *rdbx, unsigned long ws);
+
+
+/*
+ * rdbx_dealloc(rdbx_ptr)
+ *
+ * frees memory associated with the rdbx
+ */
+
+err_status_t
+rdbx_dealloc(rdbx_t *rdbx);
 
 
 /*
@@ -100,12 +110,42 @@ rdbx_check(const rdbx_t *rdbx, int difference);
 err_status_t
 rdbx_add_index(rdbx_t *rdbx, int delta);
 
+
+/*
+ * rdbx_set_roc(rdbx, roc) initalizes the rdbx_t at the location rdbx
+ * to have the rollover counter value roc.  If that value is less than
+ * the current rollover counter value, then the function returns
+ * err_status_replay_old; otherwise, err_status_ok is returned.
+ * 
+ */
+
+err_status_t
+rdbx_set_roc(rdbx_t *rdbx, uint32_t roc);
+
+/*
+ * rdbx_get_roc(rdbx) returns the value of the rollover counter for
+ * the rdbx_t pointed to by rdbx
+ * 
+ */
+
+xtd_seq_num_t
+rdbx_get_packet_index(const rdbx_t *rdbx);
+
 /*
  * xtd_seq_num_t functions - these are *internal* functions of rdbx, and
  * shouldn't be used to manipulate rdbx internal values.  use the rdbx
  * api instead!
  */
 
+/*
+ * rdbx_get_ws(rdbx_ptr)
+ *
+ * gets the window size which was used to initialize the rdbx
+ */
+
+unsigned long
+rdbx_get_window_size(const rdbx_t *rdbx);
+
 
 /* index_init(&pi) initializes a packet index pi (sets it to zero) */