6e3fe511f0
* contrib/hbamf/amfenc.c
* update amf3_Encode() serialize function with great idea of Przemek
implemented recenly in hb_Serialize(). Checking garbage collector
reference count can save time here too, unique arrays and hashes won't
be indexed as references.
* contrib/hbexpat/3rd/expat/*
! updated to 2.2.5 (from 2.2.1) using 3rdpatch.hb, expat.diff from
Viktor's 3.4 fork was used - but (again) adapted for DOS 8.3 naming
scheme. Also i've kept local patches for WinCE, OpenWatcom DOS/OS2,
please test. Compilation in CPP mode is explicitly disabled for libexpat
now, as upstream decided to ignore such use cases completly.
* contrib/hbexpat/*
* synced with Viktor's 3.4 fork
+ include/hbarc4.h
* src/harbour.def
+ export ARC4 core routines like in 3.4 fork, updated expat lib reuses it.
* contrib/hbtip/hbtip.hbp
! adapt *.hbx file specifier to hbmk2 3.2 syntax
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
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* Portable ARC4 PRNG, based on arc4random.c from Libevent.
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* Harbour adaptation Copyright 2011 Tamas TEVESZ <ice@extreme.hu>
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*/
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/*
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* Portable arc4random.c based on arc4random.c from OpenBSD.
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* Portable version by Chris Davis, adapted for Libevent by Nick Mathewson
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* Copyright (c) 2010 Chris Davis, Niels Provos, and Nick Mathewson
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*/
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/*
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* Copyright (c) 1996, David Mazieres <dm@uun.org>
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* Copyright (c) 2008, Damien Miller <djm@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Arc4 random number generator for OpenBSD.
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*
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* This code is derived from section 17.1 of Applied Cryptography,
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* second edition, which describes a stream cipher allegedly
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* compatible with RSA Labs "RC4" cipher (the actual description of
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* which is a trade secret). The same algorithm is used as a stream
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* cipher called "arcfour" in Tatu Ylonen's ssh package.
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*
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* Here the stream cipher has been modified always to include the time
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* when initializing the state. That makes it impossible to
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* regenerate the same random sequence twice, so this cannot be used
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* for encryption, but will generate good random numbers.
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*
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* RC4 is a registered trademark of RSA Laboratories.
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*/
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/*
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* Bit of a guesswork; possibly needs to be extended to other platforms,
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* but on Unix-ish systems, seeding will fall back to using the
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* /dev/random-variants.
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*/
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#ifndef ARC4_H
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#define ARC4_H
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#include "hbdefs.h"
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HB_EXTERN_BEGIN
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extern HB_EXPORT HB_U32 hb_arc4random( void );
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extern HB_EXPORT void hb_arc4random_buf( void * _buf, HB_SIZE n );
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extern HB_EXPORT HB_U32 hb_arc4random_uniform( HB_U32 upper_bound );
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HB_EXTERN_END
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#endif /* ARC4_H */
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