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Diffstat (limited to 'openssl/crypto/pqueue/pq_compat.h')
| -rw-r--r-- | openssl/crypto/pqueue/pq_compat.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/openssl/crypto/pqueue/pq_compat.h b/openssl/crypto/pqueue/pq_compat.h new file mode 100644 index 000000000..7b2c32725 --- /dev/null +++ b/openssl/crypto/pqueue/pq_compat.h @@ -0,0 +1,152 @@ +/* crypto/pqueue/pqueue_compat.h */ +/* + * DTLS implementation written by Nagendra Modadugu + * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#ifndef HEADER_PQ_COMPAT_H +#define HEADER_PQ_COMPAT_H + +#include <openssl/opensslconf.h> +#include <openssl/bn.h> + +/* + * The purpose of this header file is for supporting 64-bit integer + * manipulation on 32-bit (and lower) machines. Currently the only + * such environment is VMS, Utrix and those with smaller default integer + * sizes than 32 bits. For all such environment, we fall back to using + * BIGNUM. We may need to fine tune the conditions for systems that + * are incorrectly configured. + * + * The only clients of this code are (1) pqueue for priority, and + * (2) DTLS, for sequence number manipulation. + */ + +#if (defined(THIRTY_TWO_BIT) && !defined(BN_LLONG)) || defined(SIXTEEN_BIT) || defined(EIGHT_BIT) + +#define PQ_64BIT_IS_INTEGER 0 +#define PQ_64BIT_IS_BIGNUM 1 + +#define PQ_64BIT BIGNUM +#define PQ_64BIT_CTX BN_CTX + +#define pq_64bit_init(x) BN_init(x) +#define pq_64bit_free(x) BN_free(x) + +#define pq_64bit_ctx_new(ctx) BN_CTX_new() +#define pq_64bit_ctx_free(x) BN_CTX_free(x) + +#define pq_64bit_assign(x, y) BN_copy(x, y) +#define pq_64bit_assign_word(x, y) BN_set_word(x, y) +#define pq_64bit_gt(x, y) BN_ucmp(x, y) >= 1 ? 1 : 0 +#define pq_64bit_eq(x, y) BN_ucmp(x, y) == 0 ? 1 : 0 +#define pq_64bit_add_word(x, w) BN_add_word(x, w) +#define pq_64bit_sub(r, x, y) BN_sub(r, x, y) +#define pq_64bit_sub_word(x, w) BN_sub_word(x, w) +#define pq_64bit_mod(r, x, n, ctx) BN_mod(r, x, n, ctx) + +#define pq_64bit_bin2num(bn, bytes, len) BN_bin2bn(bytes, len, bn) +#define pq_64bit_num2bin(bn, bytes) BN_bn2bin(bn, bytes) +#define pq_64bit_get_word(x) BN_get_word(x) +#define pq_64bit_is_bit_set(x, offset) BN_is_bit_set(x, offset) +#define pq_64bit_lshift(r, x, shift) BN_lshift(r, x, shift) +#define pq_64bit_set_bit(x, num) BN_set_bit(x, num) +#define pq_64bit_get_length(x) BN_num_bits((x)) + +#else + +#define PQ_64BIT_IS_INTEGER 1 +#define PQ_64BIT_IS_BIGNUM 0 + +#if defined(SIXTY_FOUR_BIT) +#define PQ_64BIT BN_ULONG +#define PQ_64BIT_PRINT "%lld" +#elif defined(SIXTY_FOUR_BIT_LONG) +#define PQ_64BIT BN_ULONG +#define PQ_64BIT_PRINT "%ld" +#elif defined(THIRTY_TWO_BIT) +#define PQ_64BIT BN_ULLONG +#define PQ_64BIT_PRINT "%lld" +#endif + +#define PQ_64BIT_CTX void + +#define pq_64bit_init(x) +#define pq_64bit_free(x) +#define pq_64bit_ctx_new(ctx) (ctx) +#define pq_64bit_ctx_free(x) + +#define pq_64bit_assign(x, y) (*(x) = *(y)) +#define pq_64bit_assign_word(x, y) (*(x) = y) +#define pq_64bit_gt(x, y) (*(x) > *(y)) +#define pq_64bit_eq(x, y) (*(x) == *(y)) +#define pq_64bit_add_word(x, w) (*(x) = (*(x) + (w))) +#define pq_64bit_sub(r, x, y) (*(r) = (*(x) - *(y))) +#define pq_64bit_sub_word(x, w) (*(x) = (*(x) - (w))) +#define pq_64bit_mod(r, x, n, ctx) + +#define pq_64bit_bin2num(num, bytes, len) bytes_to_long_long(bytes, num) +#define pq_64bit_num2bin(num, bytes) long_long_to_bytes(num, bytes) +#define pq_64bit_get_word(x) *(x) +#define pq_64bit_lshift(r, x, shift) (*(r) = (*(x) << (shift))) +#define pq_64bit_set_bit(x, num) do { \ + PQ_64BIT mask = 1; \ + mask = mask << (num); \ + *(x) |= mask; \ + } while(0) +#endif /* OPENSSL_SYS_VMS */ + +#endif |