diff options
Diffstat (limited to 'src/crypto/axtls/bigint_impl.h')
| -rw-r--r-- | src/crypto/axtls/bigint_impl.h | 66 |
1 files changed, 46 insertions, 20 deletions
diff --git a/src/crypto/axtls/bigint_impl.h b/src/crypto/axtls/bigint_impl.h index 762a7ccbb..09d8550ea 100644 --- a/src/crypto/axtls/bigint_impl.h +++ b/src/crypto/axtls/bigint_impl.h @@ -1,19 +1,31 @@ /* - * Copyright(C) 2006 Cameron Rich + * Copyright (c) 2007, Cameron Rich * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. + * All rights reserved. * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * * 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 @@ -30,20 +42,39 @@ #endif /* Architecture specific functions for big ints */ +#if defined(CONFIG_INTEGER_8BIT) +#define COMP_RADIX 256U /**< Max component + 1 */ +#define COMP_MAX 0xFFFFU/**< (Max dbl comp -1) */ +#define COMP_BIT_SIZE 8 /**< Number of bits in a component. */ +#define COMP_BYTE_SIZE 1 /**< Number of bytes in a component. */ +#define COMP_NUM_NIBBLES 2 /**< Used For diagnostics only. */ +typedef uint8_t comp; /**< A single precision component. */ +typedef uint16_t long_comp; /**< A double precision component. */ +typedef int16_t slong_comp; /**< A signed double precision component. */ +#elif defined(CONFIG_INTEGER_16BIT) +#define COMP_RADIX 65536U /**< Max component + 1 */ +#define COMP_MAX 0xFFFFFFFFU/**< (Max dbl comp -1) */ +#define COMP_BIT_SIZE 16 /**< Number of bits in a component. */ +#define COMP_BYTE_SIZE 2 /**< Number of bytes in a component. */ +#define COMP_NUM_NIBBLES 4 /**< Used For diagnostics only. */ +typedef uint16_t comp; /**< A single precision component. */ +typedef uint32_t long_comp; /**< A double precision component. */ +typedef int32_t slong_comp; /**< A signed double precision component. */ +#else /* regular 32 bit */ #ifdef WIN32 #define COMP_RADIX 4294967296i64 -#define COMP_BIG_MSB 0x8000000000000000i64 +#define COMP_MAX 0xFFFFFFFFFFFFFFFFui64 #else #define COMP_RADIX 4294967296ULL /**< Max component + 1 */ -#define COMP_BIG_MSB 0x8000000000000000ULL /**< (Max dbl comp + 1)/ 2 */ +#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. */ +#endif /** * @struct _bigint @@ -97,9 +128,4 @@ typedef struct /**< A big integer "session" context. */ #define PERMANENT 0x7FFF55AA /**< A magic number for permanents. */ -#define V1 v->comps[v->size-1] /**< v1 for division */ -#define V2 v->comps[v->size-2] /**< v2 for division */ -#define U(j) tmp_u->comps[tmp_u->size-j-1] /**< uj for division */ -#define Q(j) quotient->comps[quotient->size-j-1] /**< qj for division */ - #endif |