/* crypto/rc5/rc5_locl.h */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR OR 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. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include #undef c2l #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ l|=((unsigned long)(*((c)++)))<< 8L, \ l|=((unsigned long)(*((c)++)))<<16L, \ l|=((unsigned long)(*((c)++)))<<24L) /* NOTE - c is not incremented as per c2l */ #undef c2ln #define c2ln(c,l1,l2,n) { \ c+=n; \ l1=l2=0; \ switch (n) { \ case 8: l2 =((unsigned long)(*(--(c))))<<24L; \ case 7: l2|=((unsigned long)(*(--(c))))<<16L; \ case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \ case 5: l2|=((unsigned long)(*(--(c)))); \ case 4: l1 =((unsigned long)(*(--(c))))<<24L; \ case 3: l1|=((unsigned long)(*(--(c))))<<16L; \ case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \ case 1: l1|=((unsigned long)(*(--(c)))); \ } \ } #undef l2c #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ *((c)++)=(unsigned char)(((l)>>24L)&0xff)) /* NOTE - c is not incremented as per l2c */ #undef l2cn #define l2cn(l1,l2,c,n) { \ c+=n; \ switch (n) { \ case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ } \ } /* NOTE - c is not incremented as per n2l */ #define n2ln(c,l1,l2,n) { \ c+=n; \ l1=l2=0; \ switch (n) { \ case 8: l2 =((unsigned long)(*(--(c)))) ; \ case 7: l2|=((unsigned long)(*(--(c))))<< 8; \ case 6: l2|=((unsigned long)(*(--(c))))<<16; \ case 5: l2|=((unsigned long)(*(--(c))))<<24; \ case 4: l1 =((unsigned long)(*(--(c)))) ; \ case 3: l1|=((unsigned long)(*(--(c))))<< 8; \ case 2: l1|=((unsigned long)(*(--(c))))<<16; \ case 1: l1|=((unsigned long)(*(--(c))))<<24; \ } \ } /* NOTE - c is not incremented as per l2n */ #define l2nn(l1,l2,c,n) { \ c+=n; \ switch (n) { \ case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \ case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \ case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ } \ } #undef n2l #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \ l|=((unsigned long)(*((c)++)))<<16L, \ l|=((unsigned long)(*((c)++)))<< 8L, \ l|=((unsigned long)(*((c)++)))) #undef l2n #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \ *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) #if defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER) #define ROTATE_l32(a,n) _lrotl(a,n) #define ROTATE_r32(a,n) _lrotr(a,n) #elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(NO_ASM) && !defined(NO_INLINE_ASM) # if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) # define ROTATE_l32(a,n) ({ register unsigned int ret; \ asm ("roll %%cl,%0" \ : "=r"(ret) \ : "c"(n),"0"(a) \ : "cc"); \ ret; \ }) # define ROTATE_r32(a,n) ({ register unsigned int ret; \ asm ("rorl %%cl,%0" \ : "=r"(ret) \ : "c"(n),"0"(a) \ : "cc"); \ ret; \ }) # endif #endif #ifndef ROTATE_l32 #define ROTATE_l32(a,n) (((a)<<(n&0x1f))|(((a)&0xffffffff)>>(32-(n&0x1f)))) #endif #ifndef ROTATE_r32 #define ROTATE_r32(a,n) (((a)<<(32-(n&0x1f)))|(((a)&0xffffffff)>>(n&0x1f))) #endif #define RC5_32_MASK 0xffffffffL #define RC5_16_P 0xB7E1 #define RC5_16_Q 0x9E37 #define RC5_32_P 0xB7E15163L #define RC5_32_Q 0x9E3779B9L #define RC5_64_P 0xB7E151628AED2A6BLL #define RC5_64_Q 0x9E3779B97F4A7C15LL #define E_RC5_32(a,b,s,n) \ a^=b; \ a=ROTATE_l32(a,b); \ a+=s[n]; \ a&=RC5_32_MASK; \ b^=a; \ b=ROTATE_l32(b,a); \ b+=s[n+1]; \ b&=RC5_32_MASK; #define D_RC5_32(a,b,s,n) \ b-=s[n+1]; \ b&=RC5_32_MASK; \ b=ROTATE_r32(b,a); \ b^=a; \ a-=s[n]; \ a&=RC5_32_MASK; \ a=ROTATE_r32(a,b); \ a^=b;