/* crypto/rc2/rc2_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.] */ #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)) #define C_RC2(n) \ t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \ x0=(t<<1)|(t>>15); \ t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \ x1=(t<<2)|(t>>14); \ t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \ x2=(t<<3)|(t>>13); \ t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \ x3=(t<<5)|(t>>11);

Generated by Doxygen 1.6.0 Back to index