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https://github.com/henrydcase/pqc.git
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62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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#pragma once
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/*----------------------------------------------------------------------------*/
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#include <inttypes.h>
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#include <limits.h>
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#include <stddef.h>
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#include "qc_ldpc_parameters.h"
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/*----------------------------------------------------------------------------*/
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#define LITTLE_ENDIAN
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/*----------------------------------------------------------------------------*/
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/* limb size definitions for the multi-precision GF(2^x) library */
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/*----------------------------------------------------------------------------*/
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#ifndef CPU_WORD_BITS
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typedef size_t DIGIT;
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#define DIGIT_MAX SIZE_MAX
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#else
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// gcc -DCPU_WORD_BITS=64 ...
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#define CAT(a, b, c) PRIMITIVE_CAT(a, b, c)
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#define PRIMITIVE_CAT(a, b, c) a ## b ## c
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typedef CAT( uint, CPU_WORD_BITS, _t ) DIGIT;
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#define DIGIT_MAX (CAT(UINT, CPU_WORD_BITS, _MAX))
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#endif
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#if (DIGIT_MAX == ULLONG_MAX)
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#define DIGIT_IS_ULLONG
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#elif (DIGIT_MAX == ULONG_MAX)
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#define DIGIT_IS_ULONG
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#elif (DIGIT_MAX == UINT_MAX)
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#define DIGIT_IS_UINT
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#elif (DIGIT_MAX == UCHAR_MAX)
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#define DIGIT_IS_UCHAR
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#else
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#error "unable to find the type of CPU_WORD_BITS"
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#endif
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#if (DIGIT_MAX == UINT64_MAX)
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#define DIGIT_IS_UINT64
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#define DIGIT_SIZE_B 8
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#elif (DIGIT_MAX == UINT32_MAX)
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#define DIGIT_IS_UINT32
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#define DIGIT_SIZE_B 4
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#elif (DIGIT_MAX == UINT16_MAX)
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#define DIGIT_IS_UINT16
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#define DIGIT_SIZE_B 2
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#elif (DIGIT_MAX == UINT8_MAX)
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#define DIGIT_IS_UINT8
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#define DIGIT_SIZE_B 1
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#else
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#error "unable to find the bitsize of size_t"
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#endif
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#define DIGIT_SIZE_b (DIGIT_SIZE_B << 3)
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#define POSITION_T uint32_t
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/*----------------------------------------------------------------------------*/
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