mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
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314 lines
10 KiB
C
314 lines
10 KiB
C
/* sp_int.h
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*
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* Copyright (C) 2006-2020 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/*
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DESCRIPTION
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This library provides single precision (SP) integer math functions.
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*/
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#ifndef WOLF_CRYPT_SP_INT_H
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#define WOLF_CRYPT_SP_INT_H
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#ifndef WOLFSSL_LINUXKM
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#include <stdint.h>
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#include <limits.h>
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#endif
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/* Make sure WOLFSSL_SP_ASM build option defined when requested */
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#if !defined(WOLFSSL_SP_ASM) && ( \
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defined(WOLFSSL_SP_X86_64_ASM) || defined(WOLFSSL_SP_ARM32_ASM) || \
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defined(WOLFSSL_SP_ARM64_ASM) || defined(WOLFSSL_SP_ARM_THUMB_ASM) || \
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defined(WOLFSSL_SP_ARM_CORTEX_M_ASM))
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#define WOLFSSL_SP_ASM
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#endif
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#ifdef WOLFSSL_SP_X86_64_ASM
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#define SP_WORD_SIZE 64
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#define HAVE_INTEL_AVX1
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#define HAVE_INTEL_AVX2
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#elif defined(WOLFSSL_SP_ARM64_ASM)
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#define SP_WORD_SIZE 64
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#elif defined(WOLFSSL_SP_ARM32_ASM)
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#define SP_WORD_SIZE 32
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#elif defined(WOLFSSL_SP_ARM_THUMB_ASM)
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#define SP_WORD_SIZE 32
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#endif
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#ifndef SP_WORD_SIZE
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#if defined(NO_64BIT) || !defined(HAVE___UINT128_T)
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#define SP_WORD_SIZE 32
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#else
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#define SP_WORD_SIZE 64
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#endif
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#endif
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#ifdef WOLFSSL_DSP_BUILD
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typedef int32 sp_digit;
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typedef uint32 sp_int_digit;
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typedef uint64 sp_int_word;
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typedef int64 sp_int_sword;
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#undef SP_WORD_SIZE
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#define SP_WORD_SIZE 32
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#elif !defined(WOLFSSL_SP_ASM)
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#if SP_WORD_SIZE == 32
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typedef int32_t sp_digit;
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typedef uint32_t sp_int_digit;
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typedef uint64_t sp_int_word;
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typedef int64_t sp_int_sword;
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#elif SP_WORD_SIZE == 64
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typedef int64_t sp_digit;
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typedef uint64_t sp_int_digit;
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#ifdef __SIZEOF_INT128__
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typedef __uint128_t uint128_t;
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typedef __int128_t int128_t;
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#else
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typedef unsigned long uint128_t __attribute__ ((mode(TI)));
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typedef long int128_t __attribute__ ((mode(TI)));
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#endif
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typedef uint128_t sp_int_word;
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typedef int128_t sp_int_sword;
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#endif
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#else
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#if SP_WORD_SIZE == 32
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typedef uint32_t sp_digit;
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typedef uint32_t sp_int_digit;
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typedef uint64_t sp_int_word;
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typedef int64_t sp_int_sword;
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#elif SP_WORD_SIZE == 64
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typedef uint64_t sp_digit;
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typedef uint64_t sp_int_digit;
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#ifdef __SIZEOF_INT128__
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typedef __uint128_t uint128_t;
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typedef __int128_t int128_t;
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#else
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typedef unsigned long uint128_t __attribute__ ((mode(TI)));
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typedef long int128_t __attribute__ ((mode(TI)));
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#endif
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typedef uint128_t sp_int_word;
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typedef int128_t sp_int_sword;
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#endif
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#endif
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#if SP_WORD_SIZE == 32
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#define SP_MASK ((sp_int_digit)0xffffffffU)
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#elif SP_WORD_SIZE == 64
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#define SP_MASK ((sp_int_digit)0xffffffffffffffffUL)
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#else
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#error Word size not defined
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#endif
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#if defined(WOLFSSL_HAVE_SP_ECC) && defined(WOLFSSL_SP_NONBLOCK)
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typedef struct sp_ecc_ctx {
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#ifdef WOLFSSL_SP_384
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byte data[48*80]; /* stack data */
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#else
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byte data[32*80]; /* stack data */
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#endif
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} sp_ecc_ctx_t;
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#endif
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#ifdef WOLFSSL_SP_MATH
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#include <libwolfssl/wolfcrypt/random.h>
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#if !defined(WOLFSSL_HAVE_SP_RSA) && !defined(WOLFSSL_HAVE_SP_DH)
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#if !defined(NO_PWDBASED) && defined(WOLFSSL_SHA512)
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#define SP_INT_DIGITS ((512 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#elif defined(WOLFSSL_SP_384)
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#define SP_INT_DIGITS ((384 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#else
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#define SP_INT_DIGITS ((256 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#endif
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#elif defined(WOLFSSL_SP_4096)
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#if defined(WOLFSSL_HAVE_SP_DH)
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#define SP_INT_DIGITS ((8192 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#else
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#define SP_INT_DIGITS ((4096 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#endif
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#elif !defined(WOLFSSL_SP_NO_3072)
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#if defined(WOLFSSL_HAVE_SP_DH)
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#define SP_INT_DIGITS ((6144 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#else
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#define SP_INT_DIGITS ((3072 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#endif
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#else
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#if defined(WOLFSSL_HAVE_SP_DH)
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#define SP_INT_DIGITS ((4096 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#else
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#define SP_INT_DIGITS ((2048 + SP_WORD_SIZE) / SP_WORD_SIZE)
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#endif
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#endif
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#define sp_isodd(a) ((a)->used != 0 && ((a)->dp[0] & 1))
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#define sp_iseven(a) ((a)->used != 0 && ((a)->dp[0] & 1) == 0)
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#define sp_iszero(a) ((a)->used == 0)
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#define sp_isone(a) ((a)->used == 1 && (a)->dp[0] == 1)
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#define sp_abs(a, b) sp_copy(a, b)
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#ifdef HAVE_WOLF_BIGINT
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/* raw big integer */
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typedef struct WC_BIGINT {
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byte* buf;
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word32 len;
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void* heap;
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} WC_BIGINT;
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#define WOLF_BIGINT_DEFINED
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#endif
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typedef struct sp_int {
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int used;
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int size;
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sp_int_digit dp[SP_INT_DIGITS];
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#ifdef HAVE_WOLF_BIGINT
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struct WC_BIGINT raw; /* unsigned binary (big endian) */
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#endif
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} sp_int;
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typedef sp_int mp_int;
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typedef sp_int_digit mp_digit;
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#include <libwolfssl/wolfcrypt/wolfmath.h>
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MP_API int sp_init(sp_int* a);
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MP_API int sp_init_multi(sp_int* a, sp_int* b, sp_int* c, sp_int* d,
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sp_int* e, sp_int* f);
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MP_API void sp_free(sp_int* a);
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MP_API void sp_clear(sp_int* a);
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MP_API int sp_unsigned_bin_size(sp_int* a);
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MP_API int sp_read_unsigned_bin(sp_int* a, const byte* in, word32 inSz);
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MP_API int sp_read_radix(sp_int* a, const char* in, int radix);
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MP_API int sp_cmp(sp_int* a, sp_int* b);
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MP_API int sp_count_bits(sp_int* a);
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MP_API int sp_leading_bit(sp_int* a);
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MP_API int sp_to_unsigned_bin(sp_int* a, byte* out);
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MP_API int sp_to_unsigned_bin_len(sp_int* a, byte* out, int outSz);
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MP_API void sp_forcezero(sp_int* a);
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MP_API int sp_copy(sp_int* a, sp_int* r);
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MP_API int sp_set(sp_int* a, sp_int_digit d);
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MP_API void sp_clamp(sp_int* a);
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MP_API int sp_grow(sp_int* a, int l);
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MP_API int sp_sub_d(sp_int* a, sp_int_digit d, sp_int* r);
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MP_API int sp_cmp_d(sp_int* a, sp_int_digit d);
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MP_API int sp_sub(sp_int* a, sp_int* b, sp_int* r);
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MP_API int sp_mod(sp_int* a, sp_int* m, sp_int* r);
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MP_API void sp_zero(sp_int* a);
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MP_API int sp_add_d(sp_int* a, sp_int_digit d, sp_int* r);
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MP_API int sp_lshd(sp_int* a, int s);
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MP_API int sp_add(sp_int* a, sp_int* b, sp_int* r);
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MP_API int sp_set_int(sp_int* a, unsigned long b);
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MP_API int sp_tohex(sp_int* a, char* str);
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MP_API int sp_set_bit(sp_int* a, int i);
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MP_API int sp_2expt(sp_int* a, int e);
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MP_API int sp_rand_prime(sp_int* r, int len, WC_RNG* rng, void* heap);
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MP_API int sp_mul(sp_int* a, sp_int* b, sp_int* r);
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MP_API int sp_mulmod(sp_int* a, sp_int* b, sp_int* m, sp_int* r);
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MP_API int sp_gcd(sp_int* a, sp_int* b, sp_int* r);
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MP_API int sp_invmod(sp_int* a, sp_int* m, sp_int* r);
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MP_API int sp_lcm(sp_int* a, sp_int* b, sp_int* r);
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MP_API int sp_exptmod(sp_int* b, sp_int* e, sp_int* m, sp_int* r);
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MP_API int sp_prime_is_prime(mp_int* a, int t, int* result);
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MP_API int sp_prime_is_prime_ex(mp_int* a, int t, int* result, WC_RNG* rng);
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MP_API int sp_exch(sp_int* a, sp_int* b);
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MP_API int sp_get_digit_count(sp_int *a);
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MP_API int sp_init_copy (sp_int * a, sp_int * b);
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MP_API void sp_rshb(sp_int* a, int n, sp_int* r);
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MP_API int sp_mul_d(sp_int* a, sp_int_digit n, sp_int* r);
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#define MP_NO 0
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#define MP_YES 1
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#define MP_RADIX_HEX 16
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#define MP_GT 1
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#define MP_EQ 0
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#define MP_LT -1
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#define MP_OKAY 0
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#define MP_MEM -2
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#define MP_VAL -3
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#define FP_WOULDBLOCK -4
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#define DIGIT_BIT SP_WORD_SIZE
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#define MP_MASK SP_MASK
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#define CheckFastMathSettings() 1
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#define mp_free sp_free
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#define mp_isodd sp_isodd
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#define mp_iseven sp_iseven
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#define mp_iszero sp_iszero
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#define mp_isone sp_isone
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#define mp_abs sp_abs
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#define mp_init sp_init
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#define mp_init_multi sp_init_multi
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#define mp_clear sp_clear
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#define mp_read_unsigned_bin sp_read_unsigned_bin
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#define mp_unsigned_bin_size sp_unsigned_bin_size
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#define mp_read_radix sp_read_radix
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#define mp_cmp sp_cmp
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#define mp_count_bits sp_count_bits
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#define mp_leading_bit sp_leading_bit
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#define mp_to_unsigned_bin sp_to_unsigned_bin
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#define mp_to_unsigned_bin_len sp_to_unsigned_bin_len
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#define mp_forcezero sp_forcezero
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#define mp_copy sp_copy
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#define mp_set sp_set
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#define mp_clamp sp_clamp
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#define mp_grow sp_grow
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#define mp_sub_d sp_sub_d
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#define mp_cmp_d sp_cmp_d
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#define mp_sub sp_sub
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#define mp_mod sp_mod
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#define mp_zero sp_zero
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#define mp_add_d sp_add_d
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#define mp_lshd sp_lshd
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#define mp_add sp_add
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#define mp_set_int sp_set_int
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#define mp_tohex sp_tohex
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#define mp_set_bit sp_set_bit
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#define mp_2expt sp_2expt
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#define mp_rand_prime sp_rand_prime
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#define mp_mul sp_mul
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#define mp_mulmod sp_mulmod
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#define mp_gcd sp_gcd
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#define mp_invmod sp_invmod
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#define mp_lcm sp_lcm
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#define mp_exptmod sp_exptmod
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#define mp_exptmod_nct sp_exptmod
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#define mp_prime_is_prime sp_prime_is_prime
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#define mp_prime_is_prime_ex sp_prime_is_prime_ex
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#define mp_exch sp_exch
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#define get_digit_count sp_get_digit_count
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#define mp_init_copy sp_init_copy
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#define mp_rshb(A,x) sp_rshb(A,x,A)
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#define mp_mul_d sp_mul_d
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#endif
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#endif /* WOLF_CRYPT_SP_H */
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