From 17b77485fa4ea8ecbf472e2d1daa15007ff93705 Mon Sep 17 00:00:00 2001
From: Erwin Nindl <nine@wirdorange.org>
Date: Fri, 13 Jul 2007 16:05:16 +0000
Subject: * removed srtp directory * install libsrtp under /usr/local/lib *
 cleaned up Makefile

---
 srtp/crypto/rng/ctr_prng.c | 108 ---------------------------------------------
 1 file changed, 108 deletions(-)
 delete mode 100644 srtp/crypto/rng/ctr_prng.c

(limited to 'srtp/crypto/rng/ctr_prng.c')

diff --git a/srtp/crypto/rng/ctr_prng.c b/srtp/crypto/rng/ctr_prng.c
deleted file mode 100644
index ab76df3..0000000
--- a/srtp/crypto/rng/ctr_prng.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * ctr_prng.c 
- *
- * counter mode based pseudorandom source
- *
- * 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.
- *
- */
-
-
-#include "prng.h"
-
-/* single, global prng structure */
-
-ctr_prng_t ctr_prng;
-
-err_status_t
-ctr_prng_init(rand_source_func_t random_source) {
-  uint8_t tmp_key[32];
-  err_status_t status;
-
-  /* initialize output count to zero */
-  ctr_prng.octet_count = 0;
-
-  /* set random source */
-  ctr_prng.rand = random_source;
-  
-  /* initialize secret key from random source */
-  status = random_source(tmp_key, 32);
-  if (status) 
-    return status;
-
-  /* initialize aes ctr context with random key */
-  status = aes_icm_context_init(&ctr_prng.state, tmp_key);
-  if (status) 
-    return status;
-
-  return err_status_ok;
-}
-
-err_status_t
-ctr_prng_get_octet_string(void *dest, uint32_t len) {
-  err_status_t status;
-
-  /* 
-   * if we need to re-initialize the prng, do so now 
-   *
-   * avoid 32-bit overflows by subtracting instead of adding
-   */
-  if (ctr_prng.octet_count > MAX_PRNG_OUT_LEN - len) {
-    status = ctr_prng_init(ctr_prng.rand);    
-    if (status)
-      return status;
-  }
-  ctr_prng.octet_count += len;
-
-  /*
-   * write prng output 
-   */
-  status = aes_icm_output(&ctr_prng.state, (uint8_t*)dest, len);
-  if (status)
-    return status;
-  
-  return err_status_ok;
-}
-
-err_status_t
-ctr_prng_deinit(void) {
-
-  /* nothing */
-  
-  return err_status_ok;  
-}
-- 
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