lwip/src/netif/ppp/magic.c

/*****************************************************************************
* magic.c - Network Random Number Generator program file.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* portions Copyright (c) 1997 by Global Election Systems Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE 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 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.
*
******************************************************************************
* REVISION HISTORY
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
*   Ported to lwIP.
* 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
*   Original based on BSD magic.c.
*****************************************************************************/
/*
 * magic.c - PPP Magic Number routines.
 *
 * Copyright (c) 1989 Carnegie Mellon University.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by Carnegie Mellon University.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include "lwip/opt.h"

#if PPP_SUPPORT

#include "ppp.h"
#include "randm.h"
#include "magic.h"

/***********************************/
/*** PUBLIC FUNCTION DEFINITIONS ***/
/***********************************/
/*
 * magicInit - Initialize the magic number generator.
 *
 * Since we use another random number generator that has its own
 * initialization, we do nothing here.
 */
void magicInit()
{
  return;
}

/*
 * magic - Returns the next magic number.
 */
u32_t magic()
{
  return avRandom();
}

#endif /* PPP_SUPPORT */
Commit	Line	Data
	1	/*****************************************************************************
	2	* magic.c - Network Random Number Generator program file.
	3	*
	4	* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
	5	* portions Copyright (c) 1997 by Global Election Systems Inc.
	6	*
	7	* The authors hereby grant permission to use, copy, modify, distribute,
	8	* and license this software and its documentation for any purpose, provided
	9	* that existing copyright notices are retained in all copies and that this
	10	* notice and the following disclaimer are included verbatim in any
	11	* distributions. No written agreement, license, or royalty fee is required
	12	* for any of the authorized uses.
	13	*
	14	* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AS IS AND ANY EXPRESS OR
	15	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	16	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	17	* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
	18	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	19	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	20	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	21	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	23	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	24	*
	25	******************************************************************************
	26	* REVISION HISTORY
	27	*
	28	* 03-01-01 Marc Boucher <marc@mbsi.ca>
	29	* Ported to lwIP.
	30	* 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
	31	* Original based on BSD magic.c.
	32	*****************************************************************************/
	33	/*
	34	* magic.c - PPP Magic Number routines.
	35	*
	36	* Copyright (c) 1989 Carnegie Mellon University.
	37	* All rights reserved.
	38	*
	39	* Redistribution and use in source and binary forms are permitted
	40	* provided that the above copyright notice and this paragraph are
	41	* duplicated in all such forms and that any documentation,
	42	* advertising materials, and other materials related to such
	43	* distribution and use acknowledge that the software was developed
	44	* by Carnegie Mellon University. The name of the
	45	* University may not be used to endorse or promote products derived
	46	* from this software without specific prior written permission.
	47	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	48	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	49	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	50	*/
	51
	52	#include "lwip/opt.h"
	53
	54	#if PPP_SUPPORT
	55
	56	#include "ppp.h"
	57	#include "randm.h"
	58	#include "magic.h"
	59
	60	/***********************************/
	61	/* PUBLIC FUNCTION DEFINITIONS */
	62	/***********************************/
	63	/*
	64	* magicInit - Initialize the magic number generator.
	65	*
	66	* Since we use another random number generator that has its own
	67	* initialization, we do nothing here.
	68	*/
	69	void magicInit()
	70	{
	71	return;
	72	}
	73
	74	/*
	75	* magic - Returns the next magic number.
	76	*/
	77	u32_t magic()
	78	{
	79	return avRandom();
	80	}
	81
	82	#endif /* PPP_SUPPORT */