Update libsrtp to version 2.0

srtp/crypto/include/key.h

Index: srtp/crypto/include/key.h
diff --git a/srtp/crypto/include/key.h b/srtp/crypto/include/key.h
deleted file mode 100644
index e7e07448e70dfca1a4bf4d1aec716fa59b3cc00a..0000000000000000000000000000000000000000
--- a/srtp/crypto/include/key.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * key.h
- *
- * key usage limits enforcement
- * 
- * David A. Mcgrew
- * Cisco Systems, Inc.
- */
-/*
- *	
- * Copyright (c) 2001-2006 Cisco Systems, Inc.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- *   Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * 
- *   Redistributions in binary form must reproduce the above
- *   copyright notice, this list of conditions and the following
- *   disclaimer in the documentation and/or other materials provided
- *   with the distribution.
- * 
- *   Neither the name of the Cisco Systems, Inc. nor the names of its
- *   contributors may be used to endorse or promote products derived
- *   from this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef KEY_H
-#define KEY_H
-
-#include "rdbx.h"   /* for xtd_seq_num_t */
-#include "err.h"
-
-typedef struct key_limit_ctx_t *key_limit_t;
-
-typedef enum {
-   key_event_normal,
-   key_event_soft_limit,
-   key_event_hard_limit
-} key_event_t;
-
-err_status_t
-key_limit_set(key_limit_t key, const xtd_seq_num_t s);
-
-err_status_t
-key_limit_clone(key_limit_t original, key_limit_t *new_key);
-
-err_status_t
-key_limit_check(const key_limit_t key);
-
-key_event_t
-key_limit_update(key_limit_t key);
-
-typedef enum { 
-   key_state_normal,
-   key_state_past_soft_limit,
-   key_state_expired
-} key_state_t;
-
-typedef struct key_limit_ctx_t {
-  xtd_seq_num_t num_left;
-  key_state_t   state;
-} key_limit_ctx_t;
-
-#endif /* KEY_H */