forked from espressif/arduino-esp32
initial import
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me-no-dev
committed by
Ivan Grokhotkov
Ivan Grokhotkov
parent
668acc2c08
commit
5f3a205955
122
tools/sdk/include/lwip/netif/ppp/magic.h
Executable file
122
tools/sdk/include/lwip/netif/ppp/magic.h
Executable file
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/*
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* magic.h - PPP Magic Number definitions.
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*
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* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The name "Carnegie Mellon University" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For permission or any legal
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* details, please contact
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* Office of Technology Transfer
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* Carnegie Mellon University
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* 5000 Forbes Avenue
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* Pittsburgh, PA 15213-3890
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* (412) 268-4387, fax: (412) 268-7395
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* tech-transfer@andrew.cmu.edu
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*
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* 4. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by Computing Services
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* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
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*
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
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* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: magic.h,v 1.5 2003/06/11 23:56:26 paulus Exp $
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*/
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/*****************************************************************************
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* randm.h - Random number generator header file.
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*
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* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
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* Copyright (c) 1998 Global Election Systems Inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice and the following disclaimer are included verbatim in any
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* distributions. No written agreement, license, or royalty fee is required
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* for any of the authorized uses.
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*
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* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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* REVISION HISTORY
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*
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* 03-01-01 Marc Boucher <marc@mbsi.ca>
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* Ported to lwIP.
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* 98-05-29 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
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* Extracted from avos.
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*****************************************************************************/
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#include "lwip/opt.h"
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#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
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#ifndef MAGIC_H
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#define MAGIC_H
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/***********************
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*** PUBLIC FUNCTIONS ***
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***********************/
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/*
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* Initialize the random number generator.
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*/
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void magic_init(void);
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/*
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* Randomize our random seed value. To be called for truely random events
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* such as user operations and network traffic.
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*/
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void magic_randomize(void);
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/*
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* Return a new random number.
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*/
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u32_t magic(void); /* Returns the next magic number */
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/*
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* Fill buffer with random bytes
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*
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* Use the random pool to generate random data. This degrades to pseudo
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* random when used faster than randomness is supplied using magic_churnrand().
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* Thus it's important to make sure that the results of this are not
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* published directly because one could predict the next result to at
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* least some degree. Also, it's important to get a good seed before
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* the first use.
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*/
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void magic_random_bytes(unsigned char *buf, u32_t buf_len);
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/*
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* Return a new random number between 0 and (2^pow)-1 included.
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*/
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u32_t magic_pow(u8_t pow);
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#endif /* MAGIC_H */
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#endif /* PPP_SUPPORT */
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