text: /*
   * rand_source_ossl.c
   *
   * implements a random source based on OpenSSL RAND_bytes()
   *
   * John A. Foley 
   * Cisco Systems, Inc.
   */
  /*
   *
   * Copyright(c) 2013, 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:crypto/test/aes_calc.c
   *
   *   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 "srtp/crypto/rand_source.h"
  #include <openssl/rand.h>
  
  
  err_status_t rand_source_init (void)
  {
      return err_status_ok;
  }
  
  err_status_t rand_source_get_octet_string (void *dest, uint32_t len)
  {
      if (RAND_bytes(dest, len) == 1) {
          return err_status_ok;
      } else {
          return err_status_fail;
      }
  }
  
  err_status_t rand_source_deinit (void)
  {
      return err_status_ok;
  }
  