[a1bae3e] | 1 | /* crypto/pqueue/pqueue_compat.h */ |
---|
| 2 | /* |
---|
| 3 | * DTLS implementation written by Nagendra Modadugu |
---|
| 4 | * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. |
---|
| 5 | */ |
---|
| 6 | /* ==================================================================== |
---|
| 7 | * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. |
---|
| 8 | * |
---|
| 9 | * Redistribution and use in source and binary forms, with or without |
---|
| 10 | * modification, are permitted provided that the following conditions |
---|
| 11 | * are met: |
---|
| 12 | * |
---|
| 13 | * 1. Redistributions of source code must retain the above copyright |
---|
| 14 | * notice, this list of conditions and the following disclaimer. |
---|
| 15 | * |
---|
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
| 17 | * notice, this list of conditions and the following disclaimer in |
---|
| 18 | * the documentation and/or other materials provided with the |
---|
| 19 | * distribution. |
---|
| 20 | * |
---|
| 21 | * 3. All advertising materials mentioning features or use of this |
---|
| 22 | * software must display the following acknowledgment: |
---|
| 23 | * "This product includes software developed by the OpenSSL Project |
---|
| 24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
---|
| 25 | * |
---|
| 26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
---|
| 27 | * endorse or promote products derived from this software without |
---|
| 28 | * prior written permission. For written permission, please contact |
---|
| 29 | * openssl-core@OpenSSL.org. |
---|
| 30 | * |
---|
| 31 | * 5. Products derived from this software may not be called "OpenSSL" |
---|
| 32 | * nor may "OpenSSL" appear in their names without prior written |
---|
| 33 | * permission of the OpenSSL Project. |
---|
| 34 | * |
---|
| 35 | * 6. Redistributions of any form whatsoever must retain the following |
---|
| 36 | * acknowledgment: |
---|
| 37 | * "This product includes software developed by the OpenSSL Project |
---|
| 38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
---|
| 39 | * |
---|
| 40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
---|
| 41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
---|
| 43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
---|
| 44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
---|
| 45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
---|
| 46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
---|
| 47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
---|
| 49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
---|
| 50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
---|
| 51 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
| 52 | * ==================================================================== |
---|
| 53 | * |
---|
| 54 | * This product includes cryptographic software written by Eric Young |
---|
| 55 | * (eay@cryptsoft.com). This product includes software written by Tim |
---|
| 56 | * Hudson (tjh@cryptsoft.com). |
---|
| 57 | * |
---|
| 58 | */ |
---|
| 59 | |
---|
| 60 | #include "opensslconf.h" |
---|
| 61 | #include <openssl/bn.h> |
---|
| 62 | |
---|
| 63 | /* |
---|
| 64 | * The purpose of this header file is for supporting 64-bit integer |
---|
| 65 | * manipulation on 32-bit (and lower) machines. Currently the only |
---|
| 66 | * such environment is VMS, Utrix and those with smaller default integer |
---|
| 67 | * sizes than 32 bits. For all such environment, we fall back to using |
---|
| 68 | * BIGNUM. We may need to fine tune the conditions for systems that |
---|
| 69 | * are incorrectly configured. |
---|
| 70 | * |
---|
| 71 | * The only clients of this code are (1) pqueue for priority, and |
---|
| 72 | * (2) DTLS, for sequence number manipulation. |
---|
| 73 | */ |
---|
| 74 | |
---|
| 75 | #if (defined(THIRTY_TWO_BIT) && !defined(BN_LLONG)) || defined(SIXTEEN_BIT) || defined(EIGHT_BIT) |
---|
| 76 | |
---|
| 77 | #define PQ_64BIT_IS_INTEGER 0 |
---|
| 78 | #define PQ_64BIT_IS_BIGNUM 1 |
---|
| 79 | |
---|
| 80 | #define PQ_64BIT BIGNUM |
---|
| 81 | #define PQ_64BIT_CTX BN_CTX |
---|
| 82 | |
---|
| 83 | #define pq_64bit_init(x) BN_init(x) |
---|
| 84 | #define pq_64bit_free(x) BN_free(x) |
---|
| 85 | |
---|
| 86 | #define pq_64bit_ctx_new(ctx) BN_CTX_new() |
---|
| 87 | #define pq_64bit_ctx_free(x) BN_CTX_free(x) |
---|
| 88 | |
---|
| 89 | #define pq_64bit_assign(x, y) BN_copy(x, y) |
---|
| 90 | #define pq_64bit_assign_word(x, y) BN_set_word(x, y) |
---|
| 91 | #define pq_64bit_gt(x, y) BN_ucmp(x, y) >= 1 ? 1 : 0 |
---|
| 92 | #define pq_64bit_eq(x, y) BN_ucmp(x, y) == 0 ? 1 : 0 |
---|
| 93 | #define pq_64bit_add_word(x, w) BN_add_word(x, w) |
---|
| 94 | #define pq_64bit_sub(r, x, y) BN_sub(r, x, y) |
---|
| 95 | #define pq_64bit_sub_word(x, w) BN_sub_word(x, w) |
---|
| 96 | #define pq_64bit_mod(r, x, n, ctx) BN_mod(r, x, n, ctx) |
---|
| 97 | |
---|
| 98 | #define pq_64bit_bin2num(bn, bytes, len) BN_bin2bn(bytes, len, bn) |
---|
| 99 | #define pq_64bit_num2bin(bn, bytes) BN_bn2bin(bn, bytes) |
---|
| 100 | #define pq_64bit_get_word(x) BN_get_word(x) |
---|
| 101 | #define pq_64bit_is_bit_set(x, offset) BN_is_bit_set(x, offset) |
---|
| 102 | #define pq_64bit_lshift(r, x, shift) BN_lshift(r, x, shift) |
---|
| 103 | #define pq_64bit_set_bit(x, num) BN_set_bit(x, num) |
---|
| 104 | #define pq_64bit_get_length(x) BN_num_bits((x)) |
---|
| 105 | |
---|
| 106 | #else |
---|
| 107 | |
---|
| 108 | #define PQ_64BIT_IS_INTEGER 1 |
---|
| 109 | #define PQ_64BIT_IS_BIGNUM 0 |
---|
| 110 | |
---|
| 111 | #if defined(SIXTY_FOUR_BIT) |
---|
| 112 | #define PQ_64BIT BN_ULONG |
---|
| 113 | #define PQ_64BIT_PRINT "%lld" |
---|
| 114 | #elif defined(SIXTY_FOUR_BIT_LONG) |
---|
| 115 | #define PQ_64BIT BN_ULONG |
---|
| 116 | #define PQ_64BIT_PRINT "%ld" |
---|
| 117 | #elif defined(THIRTY_TWO_BIT) |
---|
| 118 | #define PQ_64BIT BN_ULLONG |
---|
| 119 | #define PQ_64BIT_PRINT "%lld" |
---|
| 120 | #endif |
---|
| 121 | |
---|
| 122 | #define PQ_64BIT_CTX void |
---|
| 123 | |
---|
| 124 | #define pq_64bit_init(x) |
---|
| 125 | #define pq_64bit_free(x) |
---|
| 126 | #define pq_64bit_ctx_new(ctx) (ctx) |
---|
| 127 | #define pq_64bit_ctx_free(x) |
---|
| 128 | |
---|
| 129 | #define pq_64bit_assign(x, y) (*(x) = *(y)) |
---|
| 130 | #define pq_64bit_assign_word(x, y) (*(x) = y) |
---|
| 131 | #define pq_64bit_gt(x, y) (*(x) > *(y)) |
---|
| 132 | #define pq_64bit_eq(x, y) (*(x) == *(y)) |
---|
| 133 | #define pq_64bit_add_word(x, w) (*(x) = (*(x) + (w))) |
---|
| 134 | #define pq_64bit_sub(r, x, y) (*(r) = (*(x) - *(y))) |
---|
| 135 | #define pq_64bit_sub_word(x, w) (*(x) = (*(x) - (w))) |
---|
| 136 | #define pq_64bit_mod(r, x, n, ctx) |
---|
| 137 | |
---|
| 138 | #define pq_64bit_bin2num(num, bytes, len) bytes_to_long_long(bytes, num) |
---|
| 139 | #define pq_64bit_num2bin(num, bytes) long_long_to_bytes(num, bytes) |
---|
| 140 | #define pq_64bit_get_word(x) *(x) |
---|
| 141 | #define pq_64bit_lshift(r, x, shift) (*(r) = (*(x) << (shift))) |
---|
| 142 | #define pq_64bit_set_bit(x, num) do { \ |
---|
| 143 | PQ_64BIT mask = 1; \ |
---|
| 144 | mask = mask << (num); \ |
---|
| 145 | *(x) |= mask; \ |
---|
| 146 | } while(0) |
---|
| 147 | #endif /* OPENSSL_SYS_VMS */ |
---|