[thirdparty/openssl.git] / crypto / pqueue / pq_compat.h

/* 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
Commit	Line	Data
e2ac4732	1	/* crypto/pqueue/pqueue_compat.h */
40720ce3	2	/*
e2ac4732	3	* DTLS implementation written by Nagendra Modadugu
40720ce3	4	* (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
e2ac4732 RL	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
40720ce3	14	* notice, this list of conditions and the following disclaimer.
e2ac4732 RL	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
312539ae	60	#ifndef HEADER_PQ_COMPAT_H
40720ce3	61	# define HEADER_PQ_COMPAT_H
312539ae	62
40720ce3 MC	63	# include <openssl/opensslconf.h>
40720ce3 MC	64	# include <openssl/bn.h>
e2ac4732	65
40720ce3	66	/*
e2ac4732 RL	67	* The purpose of this header file is for supporting 64-bit integer
e2ac4732 RL	68	* manipulation on 32-bit (and lower) machines. Currently the only
7a6bb172 RL	69	* such environment is VMS, Utrix and those with smaller default integer
	70	* sizes than 32 bits. For all such environment, we fall back to using
	71	* BIGNUM. We may need to fine tune the conditions for systems that
	72	* are incorrectly configured.
e2ac4732 RL	73	*
	74	* The only clients of this code are (1) pqueue for priority, and
	75	* (2) DTLS, for sequence number manipulation.
	76	*/
	77
40720ce3 MC	78	# if (defined(THIRTY_TWO_BIT) && !defined(BN_LLONG)) \|\| defined(SIXTEEN_BIT) \|\| defined(EIGHT_BIT)
	79
	80	# define PQ_64BIT_IS_INTEGER 0
	81	# define PQ_64BIT_IS_BIGNUM 1
	82
	83	# define PQ_64BIT BIGNUM
	84	# define PQ_64BIT_CTX BN_CTX
	85
	86	# define pq_64bit_init(x) BN_init(x)
	87	# define pq_64bit_free(x) BN_free(x)
	88
	89	# define pq_64bit_ctx_new(ctx) BN_CTX_new()
	90	# define pq_64bit_ctx_free(x) BN_CTX_free(x)
	91
	92	# define pq_64bit_assign(x, y) BN_copy(x, y)
	93	# define pq_64bit_assign_word(x, y) BN_set_word(x, y)
	94	# define pq_64bit_gt(x, y) BN_ucmp(x, y) >= 1 ? 1 : 0
	95	# define pq_64bit_eq(x, y) BN_ucmp(x, y) == 0 ? 1 : 0
	96	# define pq_64bit_add_word(x, w) BN_add_word(x, w)
	97	# define pq_64bit_sub(r, x, y) BN_sub(r, x, y)
	98	# define pq_64bit_sub_word(x, w) BN_sub_word(x, w)
	99	# define pq_64bit_mod(r, x, n, ctx) BN_mod(r, x, n, ctx)
	100
	101	# define pq_64bit_bin2num(bn, bytes, len) BN_bin2bn(bytes, len, bn)
	102	# define pq_64bit_num2bin(bn, bytes) BN_bn2bin(bn, bytes)
	103	# define pq_64bit_get_word(x) BN_get_word(x)
	104	# define pq_64bit_is_bit_set(x, offset) BN_is_bit_set(x, offset)
	105	# define pq_64bit_lshift(r, x, shift) BN_lshift(r, x, shift)
	106	# define pq_64bit_set_bit(x, num) BN_set_bit(x, num)
	107	# define pq_64bit_get_length(x) BN_num_bits((x))
	108
	109	# else
	110
	111	# define PQ_64BIT_IS_INTEGER 1
	112	# define PQ_64BIT_IS_BIGNUM 0
	113
	114	# if defined(SIXTY_FOUR_BIT)
	115	# define PQ_64BIT BN_ULONG
	116	# define PQ_64BIT_PRINT "%lld"
	117	# elif defined(SIXTY_FOUR_BIT_LONG)
	118	# define PQ_64BIT BN_ULONG
	119	# define PQ_64BIT_PRINT "%ld"
	120	# elif defined(THIRTY_TWO_BIT)
	121	# define PQ_64BIT BN_ULLONG
	122	# define PQ_64BIT_PRINT "%lld"
	123	# endif
	124
	125	# define PQ_64BIT_CTX void
	126
	127	# define pq_64bit_init(x)
	128	# define pq_64bit_free(x)
	129	# define pq_64bit_ctx_new(ctx) (ctx)
	130	# define pq_64bit_ctx_free(x)
	131
	132	# define pq_64bit_assign(x, y) ((x) = (y))
	133	# define pq_64bit_assign_word(x, y) (*(x) = y)
	134	# define pq_64bit_gt(x, y) ((x) > (y))
	135	# define pq_64bit_eq(x, y) ((x) == (y))
	136	# define pq_64bit_add_word(x, w) ((x) = ((x) + (w)))
	137	# define pq_64bit_sub(r, x, y) ((r) = ((x) - *(y)))
	138	# define pq_64bit_sub_word(x, w) ((x) = ((x) - (w)))
	139	# define pq_64bit_mod(r, x, n, ctx)
	140
	141	# define pq_64bit_bin2num(num, bytes, len) bytes_to_long_long(bytes, num)
142	# define pq_64bit_num2bin(num, bytes) long_long_to_bytes(num, bytes)
143	# define pq_64bit_get_word(x) *(x)
144	# define pq_64bit_lshift(r, x, shift) ((r) = ((x) << (shift)))
145	# define pq_64bit_set_bit(x, num) do { \
e2ac4732 RL	146	PQ_64BIT mask = 1; \
	147	mask = mask << (num); \
	148	*(x) \|= mask; \
	149	} while(0)
40720ce3	150	# endif /* OPENSSL_SYS_VMS */
312539ae LJ	151
312539ae LJ	152	#endif