1*0Sstevel@tonic-gate /* crypto/rc2/rc2_locl.h */ 2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3*0Sstevel@tonic-gate * All rights reserved. 4*0Sstevel@tonic-gate * 5*0Sstevel@tonic-gate * This package is an SSL implementation written 6*0Sstevel@tonic-gate * by Eric Young (eay@cryptsoft.com). 7*0Sstevel@tonic-gate * The implementation was written so as to conform with Netscapes SSL. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * This library is free for commercial and non-commercial use as long as 10*0Sstevel@tonic-gate * the following conditions are aheared to. The following conditions 11*0Sstevel@tonic-gate * apply to all code found in this distribution, be it the RC4, RSA, 12*0Sstevel@tonic-gate * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13*0Sstevel@tonic-gate * included with this distribution is covered by the same copyright terms 14*0Sstevel@tonic-gate * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15*0Sstevel@tonic-gate * 16*0Sstevel@tonic-gate * Copyright remains Eric Young's, and as such any Copyright notices in 17*0Sstevel@tonic-gate * the code are not to be removed. 18*0Sstevel@tonic-gate * If this package is used in a product, Eric Young should be given attribution 19*0Sstevel@tonic-gate * as the author of the parts of the library used. 20*0Sstevel@tonic-gate * This can be in the form of a textual message at program startup or 21*0Sstevel@tonic-gate * in documentation (online or textual) provided with the package. 22*0Sstevel@tonic-gate * 23*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 24*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 25*0Sstevel@tonic-gate * are met: 26*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the copyright 27*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 28*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 29*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 30*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 31*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software 32*0Sstevel@tonic-gate * must display the following acknowledgement: 33*0Sstevel@tonic-gate * "This product includes cryptographic software written by 34*0Sstevel@tonic-gate * Eric Young (eay@cryptsoft.com)" 35*0Sstevel@tonic-gate * The word 'cryptographic' can be left out if the rouines from the library 36*0Sstevel@tonic-gate * being used are not cryptographic related :-). 37*0Sstevel@tonic-gate * 4. If you include any Windows specific code (or a derivative thereof) from 38*0Sstevel@tonic-gate * the apps directory (application code) you must include an acknowledgement: 39*0Sstevel@tonic-gate * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40*0Sstevel@tonic-gate * 41*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51*0Sstevel@tonic-gate * SUCH DAMAGE. 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * The licence and distribution terms for any publically available version or 54*0Sstevel@tonic-gate * derivative of this code cannot be changed. i.e. this code cannot simply be 55*0Sstevel@tonic-gate * copied and put under another distribution licence 56*0Sstevel@tonic-gate * [including the GNU Public Licence.] 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate #undef c2l 60*0Sstevel@tonic-gate #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ 61*0Sstevel@tonic-gate l|=((unsigned long)(*((c)++)))<< 8L, \ 62*0Sstevel@tonic-gate l|=((unsigned long)(*((c)++)))<<16L, \ 63*0Sstevel@tonic-gate l|=((unsigned long)(*((c)++)))<<24L) 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate /* NOTE - c is not incremented as per c2l */ 66*0Sstevel@tonic-gate #undef c2ln 67*0Sstevel@tonic-gate #define c2ln(c,l1,l2,n) { \ 68*0Sstevel@tonic-gate c+=n; \ 69*0Sstevel@tonic-gate l1=l2=0; \ 70*0Sstevel@tonic-gate switch (n) { \ 71*0Sstevel@tonic-gate case 8: l2 =((unsigned long)(*(--(c))))<<24L; \ 72*0Sstevel@tonic-gate case 7: l2|=((unsigned long)(*(--(c))))<<16L; \ 73*0Sstevel@tonic-gate case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \ 74*0Sstevel@tonic-gate case 5: l2|=((unsigned long)(*(--(c)))); \ 75*0Sstevel@tonic-gate case 4: l1 =((unsigned long)(*(--(c))))<<24L; \ 76*0Sstevel@tonic-gate case 3: l1|=((unsigned long)(*(--(c))))<<16L; \ 77*0Sstevel@tonic-gate case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \ 78*0Sstevel@tonic-gate case 1: l1|=((unsigned long)(*(--(c)))); \ 79*0Sstevel@tonic-gate } \ 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #undef l2c 83*0Sstevel@tonic-gate #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 84*0Sstevel@tonic-gate *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ 85*0Sstevel@tonic-gate *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ 86*0Sstevel@tonic-gate *((c)++)=(unsigned char)(((l)>>24L)&0xff)) 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* NOTE - c is not incremented as per l2c */ 89*0Sstevel@tonic-gate #undef l2cn 90*0Sstevel@tonic-gate #define l2cn(l1,l2,c,n) { \ 91*0Sstevel@tonic-gate c+=n; \ 92*0Sstevel@tonic-gate switch (n) { \ 93*0Sstevel@tonic-gate case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ 94*0Sstevel@tonic-gate case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ 95*0Sstevel@tonic-gate case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ 96*0Sstevel@tonic-gate case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 97*0Sstevel@tonic-gate case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ 98*0Sstevel@tonic-gate case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ 99*0Sstevel@tonic-gate case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ 100*0Sstevel@tonic-gate case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 101*0Sstevel@tonic-gate } \ 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* NOTE - c is not incremented as per n2l */ 105*0Sstevel@tonic-gate #define n2ln(c,l1,l2,n) { \ 106*0Sstevel@tonic-gate c+=n; \ 107*0Sstevel@tonic-gate l1=l2=0; \ 108*0Sstevel@tonic-gate switch (n) { \ 109*0Sstevel@tonic-gate case 8: l2 =((unsigned long)(*(--(c)))) ; \ 110*0Sstevel@tonic-gate case 7: l2|=((unsigned long)(*(--(c))))<< 8; \ 111*0Sstevel@tonic-gate case 6: l2|=((unsigned long)(*(--(c))))<<16; \ 112*0Sstevel@tonic-gate case 5: l2|=((unsigned long)(*(--(c))))<<24; \ 113*0Sstevel@tonic-gate case 4: l1 =((unsigned long)(*(--(c)))) ; \ 114*0Sstevel@tonic-gate case 3: l1|=((unsigned long)(*(--(c))))<< 8; \ 115*0Sstevel@tonic-gate case 2: l1|=((unsigned long)(*(--(c))))<<16; \ 116*0Sstevel@tonic-gate case 1: l1|=((unsigned long)(*(--(c))))<<24; \ 117*0Sstevel@tonic-gate } \ 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate /* NOTE - c is not incremented as per l2n */ 121*0Sstevel@tonic-gate #define l2nn(l1,l2,c,n) { \ 122*0Sstevel@tonic-gate c+=n; \ 123*0Sstevel@tonic-gate switch (n) { \ 124*0Sstevel@tonic-gate case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \ 125*0Sstevel@tonic-gate case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 126*0Sstevel@tonic-gate case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 127*0Sstevel@tonic-gate case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 128*0Sstevel@tonic-gate case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \ 129*0Sstevel@tonic-gate case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 130*0Sstevel@tonic-gate case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 131*0Sstevel@tonic-gate case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 132*0Sstevel@tonic-gate } \ 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate #undef n2l 136*0Sstevel@tonic-gate #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \ 137*0Sstevel@tonic-gate l|=((unsigned long)(*((c)++)))<<16L, \ 138*0Sstevel@tonic-gate l|=((unsigned long)(*((c)++)))<< 8L, \ 139*0Sstevel@tonic-gate l|=((unsigned long)(*((c)++)))) 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate #undef l2n 142*0Sstevel@tonic-gate #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \ 143*0Sstevel@tonic-gate *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ 144*0Sstevel@tonic-gate *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ 145*0Sstevel@tonic-gate *((c)++)=(unsigned char)(((l) )&0xff)) 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate #define C_RC2(n) \ 148*0Sstevel@tonic-gate t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \ 149*0Sstevel@tonic-gate x0=(t<<1)|(t>>15); \ 150*0Sstevel@tonic-gate t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \ 151*0Sstevel@tonic-gate x1=(t<<2)|(t>>14); \ 152*0Sstevel@tonic-gate t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \ 153*0Sstevel@tonic-gate x2=(t<<3)|(t>>13); \ 154*0Sstevel@tonic-gate t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \ 155*0Sstevel@tonic-gate x3=(t<<5)|(t>>11); 156*0Sstevel@tonic-gate 157