early-access version 1255
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pineappleEA
156
externals/libressl/crypto/rc2/rc2_locl.h
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externals/libressl/crypto/rc2/rc2_locl.h
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/* $OpenBSD: rc2_locl.h,v 1.2 2014/06/12 15:49:30 deraadt Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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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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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#undef c2l
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#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
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l|=((unsigned long)(*((c)++)))<< 8L, \
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l|=((unsigned long)(*((c)++)))<<16L, \
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l|=((unsigned long)(*((c)++)))<<24L)
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/* NOTE - c is not incremented as per c2l */
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#undef c2ln
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#define c2ln(c,l1,l2,n) { \
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c+=n; \
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l1=l2=0; \
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switch (n) { \
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case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
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case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
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case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
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case 5: l2|=((unsigned long)(*(--(c)))); \
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case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
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case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
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case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
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case 1: l1|=((unsigned long)(*(--(c)))); \
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} \
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}
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#undef l2c
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#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24L)&0xff))
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/* NOTE - c is not incremented as per l2c */
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#undef l2cn
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#define l2cn(l1,l2,c,n) { \
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c+=n; \
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switch (n) { \
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case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
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case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
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case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
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case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
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case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
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case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
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case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
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case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
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} \
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}
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/* NOTE - c is not incremented as per n2l */
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#define n2ln(c,l1,l2,n) { \
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c+=n; \
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l1=l2=0; \
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switch (n) { \
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case 8: l2 =((unsigned long)(*(--(c)))) ; \
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case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
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case 6: l2|=((unsigned long)(*(--(c))))<<16; \
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case 5: l2|=((unsigned long)(*(--(c))))<<24; \
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case 4: l1 =((unsigned long)(*(--(c)))) ; \
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case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
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case 2: l1|=((unsigned long)(*(--(c))))<<16; \
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case 1: l1|=((unsigned long)(*(--(c))))<<24; \
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} \
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}
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/* NOTE - c is not incremented as per l2n */
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#define l2nn(l1,l2,c,n) { \
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c+=n; \
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switch (n) { \
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case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
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case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
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case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
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case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
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case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
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case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
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case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
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case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
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} \
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}
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#undef n2l
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#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
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l|=((unsigned long)(*((c)++)))<<16L, \
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l|=((unsigned long)(*((c)++)))<< 8L, \
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l|=((unsigned long)(*((c)++))))
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#undef l2n
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#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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#define C_RC2(n) \
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t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
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x0=(t<<1)|(t>>15); \
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t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
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x1=(t<<2)|(t>>14); \
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t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
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x2=(t<<3)|(t>>13); \
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t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
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x3=(t<<5)|(t>>11);
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