155714Skris/* crypto/rc5/rc5_locl.h */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280304Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280304Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280304Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280304Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280304Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280304Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdlib.h> 6055714Skris 6155714Skris#undef c2l 62280304Sjkim#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ 63280304Sjkim l|=((unsigned long)(*((c)++)))<< 8L, \ 64280304Sjkim l|=((unsigned long)(*((c)++)))<<16L, \ 65280304Sjkim l|=((unsigned long)(*((c)++)))<<24L) 6655714Skris 6755714Skris/* NOTE - c is not incremented as per c2l */ 6855714Skris#undef c2ln 69280304Sjkim#define c2ln(c,l1,l2,n) { \ 70280304Sjkim c+=n; \ 71280304Sjkim l1=l2=0; \ 72280304Sjkim switch (n) { \ 73280304Sjkim case 8: l2 =((unsigned long)(*(--(c))))<<24L; \ 74280304Sjkim case 7: l2|=((unsigned long)(*(--(c))))<<16L; \ 75280304Sjkim case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \ 76280304Sjkim case 5: l2|=((unsigned long)(*(--(c)))); \ 77280304Sjkim case 4: l1 =((unsigned long)(*(--(c))))<<24L; \ 78280304Sjkim case 3: l1|=((unsigned long)(*(--(c))))<<16L; \ 79280304Sjkim case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \ 80280304Sjkim case 1: l1|=((unsigned long)(*(--(c)))); \ 81280304Sjkim } \ 82280304Sjkim } 8355714Skris 8455714Skris#undef l2c 85280304Sjkim#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 86280304Sjkim *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ 87280304Sjkim *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ 88280304Sjkim *((c)++)=(unsigned char)(((l)>>24L)&0xff)) 8955714Skris 9055714Skris/* NOTE - c is not incremented as per l2c */ 9155714Skris#undef l2cn 92280304Sjkim#define l2cn(l1,l2,c,n) { \ 93280304Sjkim c+=n; \ 94280304Sjkim switch (n) { \ 95280304Sjkim case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ 96280304Sjkim case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ 97280304Sjkim case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ 98280304Sjkim case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 99280304Sjkim case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ 100280304Sjkim case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ 101280304Sjkim case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ 102280304Sjkim case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 103280304Sjkim } \ 104280304Sjkim } 10555714Skris 10655714Skris/* NOTE - c is not incremented as per n2l */ 107280304Sjkim#define n2ln(c,l1,l2,n) { \ 108280304Sjkim c+=n; \ 109280304Sjkim l1=l2=0; \ 110280304Sjkim switch (n) { \ 111280304Sjkim case 8: l2 =((unsigned long)(*(--(c)))) ; \ 112280304Sjkim case 7: l2|=((unsigned long)(*(--(c))))<< 8; \ 113280304Sjkim case 6: l2|=((unsigned long)(*(--(c))))<<16; \ 114280304Sjkim case 5: l2|=((unsigned long)(*(--(c))))<<24; \ 115280304Sjkim case 4: l1 =((unsigned long)(*(--(c)))) ; \ 116280304Sjkim case 3: l1|=((unsigned long)(*(--(c))))<< 8; \ 117280304Sjkim case 2: l1|=((unsigned long)(*(--(c))))<<16; \ 118280304Sjkim case 1: l1|=((unsigned long)(*(--(c))))<<24; \ 119280304Sjkim } \ 120280304Sjkim } 12155714Skris 12255714Skris/* NOTE - c is not incremented as per l2n */ 123280304Sjkim#define l2nn(l1,l2,c,n) { \ 124280304Sjkim c+=n; \ 125280304Sjkim switch (n) { \ 126280304Sjkim case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \ 127280304Sjkim case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 128280304Sjkim case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 129280304Sjkim case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 130280304Sjkim case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \ 131280304Sjkim case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 132280304Sjkim case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 133280304Sjkim case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 134280304Sjkim } \ 135280304Sjkim } 13655714Skris 13755714Skris#undef n2l 13855714Skris#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \ 13955714Skris l|=((unsigned long)(*((c)++)))<<16L, \ 14055714Skris l|=((unsigned long)(*((c)++)))<< 8L, \ 14155714Skris l|=((unsigned long)(*((c)++)))) 14255714Skris 14355714Skris#undef l2n 14455714Skris#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \ 14555714Skris *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ 14655714Skris *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ 14755714Skris *((c)++)=(unsigned char)(((l) )&0xff)) 14855714Skris 149160814Ssimon#if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER)) || defined(__ICC) 150280304Sjkim# define ROTATE_l32(a,n) _lrotl(a,n) 151280304Sjkim# define ROTATE_r32(a,n) _lrotr(a,n) 152111147Snectar#elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC) 153109998Smarkm# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) 154280304Sjkim# define ROTATE_l32(a,n) ({ register unsigned int ret; \ 155280304Sjkim asm ("roll %%cl,%0" \ 156280304Sjkim : "=r"(ret) \ 157280304Sjkim : "c"(n),"0"((unsigned int)(a)) \ 158280304Sjkim : "cc"); \ 159280304Sjkim ret; \ 160280304Sjkim }) 161280304Sjkim# define ROTATE_r32(a,n) ({ register unsigned int ret; \ 162280304Sjkim asm ("rorl %%cl,%0" \ 163280304Sjkim : "=r"(ret) \ 164280304Sjkim : "c"(n),"0"((unsigned int)(a)) \ 165280304Sjkim : "cc"); \ 166280304Sjkim ret; \ 167280304Sjkim }) 168109998Smarkm# endif 169109998Smarkm#endif 170109998Smarkm#ifndef ROTATE_l32 171280304Sjkim# define ROTATE_l32(a,n) (((a)<<(n&0x1f))|(((a)&0xffffffff)>>(32-(n&0x1f)))) 172109998Smarkm#endif 173109998Smarkm#ifndef ROTATE_r32 174280304Sjkim# define ROTATE_r32(a,n) (((a)<<(32-(n&0x1f)))|(((a)&0xffffffff)>>(n&0x1f))) 17555714Skris#endif 17655714Skris 177280304Sjkim#define RC5_32_MASK 0xffffffffL 17855714Skris 179280304Sjkim#define RC5_16_P 0xB7E1 180280304Sjkim#define RC5_16_Q 0x9E37 181280304Sjkim#define RC5_32_P 0xB7E15163L 182280304Sjkim#define RC5_32_Q 0x9E3779B9L 183280304Sjkim#define RC5_64_P 0xB7E151628AED2A6BLL 184280304Sjkim#define RC5_64_Q 0x9E3779B97F4A7C15LL 18555714Skris 18655714Skris#define E_RC5_32(a,b,s,n) \ 187280304Sjkim a^=b; \ 188280304Sjkim a=ROTATE_l32(a,b); \ 189280304Sjkim a+=s[n]; \ 190280304Sjkim a&=RC5_32_MASK; \ 191280304Sjkim b^=a; \ 192280304Sjkim b=ROTATE_l32(b,a); \ 193280304Sjkim b+=s[n+1]; \ 194280304Sjkim b&=RC5_32_MASK; 19555714Skris 19655714Skris#define D_RC5_32(a,b,s,n) \ 197280304Sjkim b-=s[n+1]; \ 198280304Sjkim b&=RC5_32_MASK; \ 199280304Sjkim b=ROTATE_r32(b,a); \ 200280304Sjkim b^=a; \ 201280304Sjkim a-=s[n]; \ 202280304Sjkim a&=RC5_32_MASK; \ 203280304Sjkim a=ROTATE_r32(a,b); \ 204280304Sjkim a^=b; 205