+++ /dev/null
-/*
- * Copyright (c) 2007, Cameron Rich
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of the axTLS project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS 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 COPYRIGHT OWNER OR
- * 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.
- */
-
-#ifndef BIGINT_IMPL_HEADER
-#define BIGINT_IMPL_HEADER
-
-/* Maintain a number of precomputed variables when doing reduction */
-#define BIGINT_M_OFFSET 0 /**< Normal modulo offset. */
-#ifdef CONFIG_BIGINT_CRT
-#define BIGINT_P_OFFSET 1 /**< p modulo offset. */
-#define BIGINT_Q_OFFSET 2 /**< q module offset. */
-#define BIGINT_NUM_MODS 3 /**< The number of modulus constants used. */
-#else
-#define BIGINT_NUM_MODS 1
-#endif
-
-/* Architecture specific functions for big ints */
-#ifdef WIN32
-#define COMP_RADIX 4294967296i64
-#define COMP_MAX 0xFFFFFFFFFFFFFFFFui64
-#else
-#define COMP_RADIX 4294967296ULL /**< Max component + 1 */
-#define COMP_MAX 0xFFFFFFFFFFFFFFFFULL/**< (Max dbl comp -1) */
-#endif
-#define COMP_BIT_SIZE 32 /**< Number of bits in a component. */
-#define COMP_BYTE_SIZE 4 /**< Number of bytes in a component. */
-#define COMP_NUM_NIBBLES 8 /**< Used For diagnostics only. */
-
-typedef uint32_t comp; /**< A single precision component. */
-typedef uint64_t long_comp; /**< A double precision component. */
-typedef int64_t slong_comp; /**< A signed double precision component. */
-
-/**
- * @struct _bigint
- * @brief A big integer basic object
- */
-struct _bigint
-{
- struct _bigint* next; /**< The next bigint in the cache. */
- short size; /**< The number of components in this bigint. */
- short max_comps; /**< The heapsize allocated for this bigint */
- int refs; /**< An internal reference count. */
- comp* comps; /**< A ptr to the actual component data */
-};
-
-typedef struct _bigint bigint; /**< An alias for _bigint */
-
-/**
- * Maintains the state of the cache, and a number of variables used in
- * reduction.
- */
-typedef struct /**< A big integer "session" context. */
-{
- bigint *active_list; /**< Bigints currently used. */
- bigint *free_list; /**< Bigints not used. */
- bigint *bi_radix; /**< The radix used. */
- bigint *bi_mod[BIGINT_NUM_MODS]; /**< modulus */
-
-#if defined(CONFIG_BIGINT_MONTGOMERY)
- bigint *bi_RR_mod_m[BIGINT_NUM_MODS]; /**< R^2 mod m */
- bigint *bi_R_mod_m[BIGINT_NUM_MODS]; /**< R mod m */
- comp N0_dash[BIGINT_NUM_MODS];
-#elif defined(CONFIG_BIGINT_BARRETT)
- bigint *bi_mu[BIGINT_NUM_MODS]; /**< Storage for mu */
-#endif
- bigint *bi_normalised_mod[BIGINT_NUM_MODS]; /**< Normalised mod storage. */
- bigint **g; /**< Used by sliding-window. */
- int window; /**< The size of the sliding window */
- int active_count; /**< Number of active bigints. */
- int free_count; /**< Number of free bigints. */
-
-#ifdef CONFIG_BIGINT_MONTGOMERY
- uint8_t use_classical; /**< Use classical reduction. */
-#endif
- uint8_t mod_offset; /**< The mod offset we are using */
-} BI_CTX;
-
-#ifndef WIN32
-#define max(a,b) ((a)>(b)?(a):(b)) /**< Find the maximum of 2 numbers. */
-#define min(a,b) ((a)<(b)?(a):(b)) /**< Find the minimum of 2 numbers. */
-#endif
-
-#define PERMANENT 0x7FFF55AA /**< A magic number for permanents. */
-
-#endif
projects / project / luci.git / blobdiff