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302 lines
9.4 KiB
C
302 lines
9.4 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 1998-2002 RSA Security Inc. All rights reserved.
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*
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* This work contains proprietary information of RSA Security.
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* Distribution is limited to authorized licensees of RSA
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* Security. Any unauthorized reproduction, distribution or
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* modification of this work is strictly prohibited.
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*
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*/
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/*****************************************************************************
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* Copyright (c). 2001 RSA Security Inc. All rights reserved.
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* This work contains proprietary information of RSA Security.
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* Distribution is limited to authorized licensees of RSA
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* Security. Any unauthorized reproduction, distribution or
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* modification of this work is strictly prohibited.
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****************************************************************************/
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/**
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* @file bn_thx.h
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* @brief header file created for used as interface defines for systems
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* containing hetergeneous environments where some bn operations
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* will be performed in isolation from the rest of the library
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*/
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#ifndef HEADER_COMMON_BN_THX_H
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#define HEADER_COMMON_BN_THX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* These defines are required on systems so that the mod_exp code
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* to be used in isolation from the bn operation with library will work,
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* if these are not available, the header files with equivalent functionality
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* should be added inside a CPU or Operating system define
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*/
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#ifndef NO_STDIO_H
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#include <stdio.h>
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#endif
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#ifndef NO_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifndef NO_STRING_H
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#include <string.h>
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#endif
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/* Interface for ARM/DSP systems, this interface requires only
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* the standard defines and includes at the moment
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*/
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#ifdef CPU_TMS320
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#define THX_RECIPIENT
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#define CPU_DSP
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#endif
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#ifdef THX_RECIPIENT
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#ifndef restrict
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#define restrict
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#endif
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#ifndef Malloc
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#define Malloc malloc
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#endif
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#ifndef Memcpy
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#define Memcpy memcpy
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#endif
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#ifndef Memmove
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#define Memmove memmove
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#endif
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#ifndef Memset
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#define Memset memset
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#endif
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#ifndef Free
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#define Free free
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#endif
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#endif /* THX_RECIPIENT */
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#ifndef THX_RECIPIENT /* not the recipient, we must be the caller */
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#include "bn_lcl.h"
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#endif /* ! THX_RECIPIENT */
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/* The follow define protected inclusions are excerpts from the
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* header file bn.h, this has been done, so that code written for the
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* THX systems can be used in isolation from the library
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* This code may need to be updated in line with changes to the bn.h
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* header file.
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*/
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#ifndef HEADER_COMMON_BN_H
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#define HEADER_COMMON_BN_H
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#if !defined(CCONV)
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#define CCONV
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#endif
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#ifndef PRE_CCONV
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#define PRE_CCONV
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#endif
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/* convert from the new to the old option names */
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#if defined(OPT_BN_LLONG)
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#define BN_LLONG /* comment to make sure Configure leaves this alone */
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#endif
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#if defined(OPT_32_BIT_INT) || defined(OPT_32_BIT)
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#define THIRTY_TWO_BIT
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#endif
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#define BN_ILONG BN_ULONG
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#ifdef THIRTY_TWO_BIT
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#define BN_ULLONG unsigned long long
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#ifdef OPT_32_BIT_INT
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#define BN_ULONG unsigned int
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#define BN_LONG int
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#else
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#define BN_ULONG unsigned long
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#define BN_LONG long
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#endif
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#define BN_BITS 64
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#define BN_BYTES 4
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#define BN_BITS2 32
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#define BN_BITS4 16
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/* This is needed because the Watcom compiler pre-processor
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* under QNX is perverted and tries to parses the 'LL'
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* part even though it is never used.
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*/
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#ifdef BN_LLONG
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#define BN_MASK (0xffffffffffffffffL)
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#endif
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#define BN_MASK2 (0xffffffffL)
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#define BN_MASK2l (0xffff)
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#define BN_MASK2lh (0xffff)
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#define BN_MASK2h1 (0xffff8000L)
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#define BN_MASK2h (0xffff0000L)
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#define BN_TBIT (0x80000000L)
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#define BN_DEC_CONV (1000000000L)
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#define BN_DEC_FMT1 "%lu"
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#define BN_DEC_FMT2 "%09lu"
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#define BN_DEC_NUM 9
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#define BN_HEX_FMT "%08lX"
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#endif
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#define BN_EXP_TABLE_SIZE 16
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typedef struct bignum_st BIGNUM;
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struct bignum_st
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{
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BN_ULONG *d; /* Pointer to an array of 'BN_BITS2' bit chunks. */
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int top; /* Index of last used d +1. */
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/* The next are internal book keeping for bn_expand. */
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int max; /* Size of the d array. */
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int neg; /* one if the number is negative */
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int flags;
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};
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PRE_CCONV BN_ULONG CCONV bn_mul_add_words(BN_ULONG *rp,BN_ULONG *ap,
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int num, BN_ULONG w);
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PRE_CCONV BN_ULONG CCONV bn_mul_words(BN_ULONG *rp, BN_ULONG *ap,
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int num, BN_ULONG w);
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PRE_CCONV void CCONV bn_sqr_words(BN_ULONG *rp, BN_ULONG *ap, int num);
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BN_ULONG CCONV bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d);
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PRE_CCONV BN_ULONG CCONV bn_add_words(BN_ULONG *rp, BN_ULONG *ap,
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BN_ULONG *bp,int num);
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PRE_CCONV BN_ULONG CCONV bn_sub_words(BN_ULONG *rp, BN_ULONG *ap,
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BN_ULONG *bp,int num);
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#ifndef BN_ME_METH
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#define BN_ME_METH void
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#endif
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#endif /* ! HEADER_COMMON_BN_H */
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/* The follow define protected inclusions are excerpts from the
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* header file r_error.h, this has been done, so that code written for the
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* THX systems can be used in isolation from the library
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* This code may need to be updated in line with changes to the r_error.h
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* header file.
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*/
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#ifndef HEADER_COMMON_R_ERROR_H
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#define HEADER_COMMON_R_ERROR_H
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/* The FATAL_INTERNAL_ERROR is a flag that is set with the following
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* error codes:
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* R_ERROR_INVALID_STATE
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* R_ERROR_INIT_NOT_CALLED
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* R_ERROR_SHOULD_NOT_HAVE_BEEN_CALLED
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*/
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#define R_ERROR_FATAL_INTERNAL_ERROR 64
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/* The BAD_PARAMETER is a flag that is set with the following error
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* codes:
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* R_ERROR_NULL_ARG
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* R_ERROR_BUFFER_TOO_SMALL
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* R_ERROR_BAD_VALUE
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* R_ERROR_BAD_RANGE
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* R_ERROR_BAD_FORMAT
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* R_ERROR_BAD_TYPE
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* R_ERROR_BAD_DATA
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* R_ERROR_BAD_LENGTH
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*/
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#define R_ERROR_BAD_PARAMETER 32
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/* Base value for all general errors used through all products */
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#define R_ERROR_BASE 10000
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#define R_ERROR_NONE 0
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#define R_ERROR_FAILED (R_ERROR_BASE+1)
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#define R_ERROR_IO (R_ERROR_BASE+2)
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#define R_ERROR_PROTOCOL (R_ERROR_BASE+3)
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#define R_ERROR_EOF (R_ERROR_BASE+4)
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#define R_ERROR_ALLOC_FAILURE (R_ERROR_BASE+5)
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#define R_ERROR_EVAL_RESTRICTION (R_ERROR_BASE+6)
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#define R_ERROR_EVAL_EXPIRED (R_ERROR_BASE+7)
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#define R_ERROR_NOT_FOUND (R_ERROR_BASE+8)
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#define R_ERROR_NOT_AVAILABLE (R_ERROR_BASE+9)
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#define R_ERROR_NOT_IMPLEMENTED (R_ERROR_BASE+10)
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#define R_ERROR_NOT_SUPPORTED (R_ERROR_BASE+11)
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#define R_ERROR_INVALID_STATE \
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((R_ERROR_BASE+12) | R_ERROR_FATAL_INTERNAL_ERROR)
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#define R_ERROR_INIT_NOT_CALLED \
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((R_ERROR_BASE+13) | R_ERROR_FATAL_INTERNAL_ERROR)
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#define R_ERROR_SHOULD_NOT_HAVE_BEEN_CALLED \
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((R_ERROR_BASE+14) | R_ERROR_FATAL_INTERNAL_ERROR)
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#define R_ERROR_METHOD_UNDEFINED \
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((R_ERROR_BASE+15) | R_ERROR_FATAL_INTERNAL_ERROR)
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#define R_ERROR_BUFFER_TOO_SMALL \
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((R_ERROR_BASE+16) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_NULL_ARG ((R_ERROR_BASE+17) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_BAD_VALUE ((R_ERROR_BASE+18) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_BAD_RANGE ((R_ERROR_BASE+19) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_BAD_FORMAT ((R_ERROR_BASE+20) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_BAD_TYPE ((R_ERROR_BASE+21) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_BAD_DATA ((R_ERROR_BASE+22) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_BAD_LENGTH ((R_ERROR_BASE+23) | R_ERROR_BAD_PARAMETER)
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#define R_ERROR_RCOM_LIBRARY_NOT_SUPPORTED (R_ERROR_BASE+24)
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/* Resource Manager base for errors */
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#define R_COM_ERR_LIB_CTX_BASE 10100
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#endif /* HEADER_COMMON_R_ERROR_H */
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const BN_ME_METH *BN_ME_METH_thxc(void);
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/**
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* @note THX code only needs to store rr, n0, str
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*
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*/
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typedef struct thxc_mont_ctx_st
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{
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BIGNUM *rr;
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unsigned char *str;
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unsigned int str_len;
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BN_ULONG n0;
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} THXC_MONT_CTX;
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int Rx_thxr_mod_exp_mont( BN_ULONG *result, BN_ULONG *ap, BN_ULONG *np,
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BN_ULONG *rrp, BN_ULONG n0, int top, int tmp_len, unsigned char *str);
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int Ri_thxr_mod_exp_mont( BN_ULONG *result, BN_ULONG *ap, BN_ULONG *np,
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BN_ULONG *rrp, BN_ULONG *dp, BN_ULONG *aap, BN_ULONG *rp, BN_ULONG *tmp,
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BN_ULONG n0, int top, unsigned char *str);
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void Ri_thxr_mul_normal(BN_ULONG *r,BN_ULONG *a,int na,BN_ULONG *b,int nb);
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void Ri_thxr_sqr_normal(BN_ULONG *r, BN_ULONG *a, int n, BN_ULONG *tmp);
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void Ri_thxr_from_montgomery_words(BN_ULONG *ret,BN_ULONG *ap,BN_ULONG *np,
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int w, BN_ULONG n0);
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BN_ULONG Ri_thxr_from_mont_words(BN_ULONG *ap,BN_ULONG *wap,
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BN_ULONG *np, int w, BN_ULONG n0);
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#ifdef CPU_TMS320
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/* Method and functions required for the ARM/DSP interface */
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const BN_ME_METH *BN_ME_METH_dspc(void);
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int Rx_dsp_mod_exp_mont( BN_ULONG *result, BN_ULONG *ap, BN_ULONG *np,
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BN_ULONG *rrp, BN_ULONG n0, int top, int tmp_len, unsigned char *str);
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int Ri_dsp_mod_exp_mont( BN_ULONG *result, BN_ULONG *ap, BN_ULONG *np,
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BN_ULONG *rrp, BN_ULONG *dp, BN_ULONG *aap, BN_ULONG *rp, BN_ULONG *tmp,
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BN_ULONG n0, int top, unsigned char *str);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* HEADER_COMMON_BN_THX_H */
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