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