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Diffstat (limited to 'include/mpi.h')
| -rw-r--r-- | include/mpi.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/include/mpi.h b/include/mpi.h deleted file mode 100644 index 7bb8271dc..000000000 --- a/include/mpi.h +++ /dev/null @@ -1,197 +0,0 @@ -/* mpi.h - Multi Precision Integers - * Copyright (C) 1994, 1996, 1998, 1999, - * 2000, 2001 Free Software Foundation, Inc. - * - * This file is part of GNUPG. - * - * GNUPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GNUPG 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * Note: This code is heavily based on the GNU MP Library. - * Actually it's the same code with only minor changes in the - * way the data is stored; this is to support the abstraction - * of an optional secure memory allocation which may be used - * to avoid revealing of sensitive data due to paging etc. - * The GNU MP Library itself is published under the LGPL; - * however I decided to publish this code under the plain GPL. - */ - -#ifndef G10_MPI_H -#define G10_MPI_H - -#include <config.h> -#include <stdio.h> -#include "iobuf.h" -#include "types.h" -#include "memory.h" - -#if BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_INT - typedef unsigned int mpi_limb_t; - typedef signed int mpi_limb_signed_t; -#elif BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_LONG - typedef unsigned long int mpi_limb_t; - typedef signed long int mpi_limb_signed_t; -#elif BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_LONG_LONG - typedef unsigned long long int mpi_limb_t; - typedef signed long long int mpi_limb_signed_t; -#elif BYTES_PER_MPI_LIMB == SIZEOF_UNSIGNED_SHORT - typedef unsigned short int mpi_limb_t; - typedef signed short int mpi_limb_signed_t; -#else - #error BYTES_PER_MPI_LIMB does not match any C type -#endif -#define BITS_PER_MPI_LIMB (8*BYTES_PER_MPI_LIMB) - -#ifndef EXTERN_UNLESS_MAIN_MODULE - #if defined (__riscos__) && !defined (INCLUDED_BY_MAIN_MODULE) - #define EXTERN_UNLESS_MAIN_MODULE extern - #else - #define EXTERN_UNLESS_MAIN_MODULE - #endif -#endif - -#define DBG_MPI mpi_debug_mode -EXTERN_UNLESS_MAIN_MODULE int mpi_debug_mode; - - -struct gcry_mpi { - int alloced; /* array size (# of allocated limbs) */ - int nlimbs; /* number of valid limbs */ - int nbits; /* the real number of valid bits (info only) */ - int sign; /* indicates a negative number */ - unsigned flags; /* bit 0: array must be allocated in secure memory space */ - /* bit 1: not used */ - /* bit 2: the limb is a pointer to some m_alloced data */ - mpi_limb_t *d; /* array with the limbs */ -}; - -typedef struct gcry_mpi *MPI; - -#define MPI_NULL NULL - -#define mpi_get_nlimbs(a) ((a)->nlimbs) -#define mpi_is_neg(a) ((a)->sign) - -/*-- mpiutil.c --*/ - -#ifdef M_DEBUG - #define mpi_alloc(n) mpi_debug_alloc((n), M_DBGINFO( __LINE__ ) ) - #define mpi_alloc_secure(n) mpi_debug_alloc_secure((n), M_DBGINFO( __LINE__ ) ) - #define mpi_alloc_like(n) mpi_debug_alloc_like((n), M_DBGINFO( __LINE__ ) ) - #define mpi_free(a) mpi_debug_free((a), M_DBGINFO(__LINE__) ) - #define mpi_resize(a,b) mpi_debug_resize((a),(b), M_DBGINFO(__LINE__) ) - #define mpi_copy(a) mpi_debug_copy((a), M_DBGINFO(__LINE__) ) - MPI mpi_debug_alloc( unsigned nlimbs, const char *info ); - MPI mpi_debug_alloc_secure( unsigned nlimbs, const char *info ); - MPI mpi_debug_alloc_like( MPI a, const char *info ); - void mpi_debug_free( MPI a, const char *info ); - void mpi_debug_resize( MPI a, unsigned nlimbs, const char *info ); - MPI mpi_debug_copy( MPI a, const char *info ); -#else - MPI mpi_alloc( unsigned nlimbs ); - MPI mpi_alloc_secure( unsigned nlimbs ); - MPI mpi_alloc_like( MPI a ); - void mpi_free( MPI a ); - void mpi_resize( MPI a, unsigned nlimbs ); - MPI mpi_copy( MPI a ); -#endif -#define mpi_is_opaque(a) ((a) && ((a)->flags&4)) -MPI mpi_set_opaque( MPI a, void *p, int len ); -void *mpi_get_opaque( MPI a, int *len ); -#define mpi_is_secure(a) ((a) && ((a)->flags&1)) -void mpi_set_secure( MPI a ); -void mpi_clear( MPI a ); -void mpi_set( MPI w, MPI u); -void mpi_set_ui( MPI w, ulong u); -MPI mpi_alloc_set_ui( unsigned long u); -void mpi_m_check( MPI a ); -void mpi_swap( MPI a, MPI b); - -/*-- mpicoder.c --*/ -int mpi_write( IOBUF out, MPI a ); -#ifdef M_DEBUG - #define mpi_read(a,b,c) mpi_debug_read((a),(b),(c), M_DBGINFO( __LINE__ ) ) - MPI mpi_debug_read(IOBUF inp, unsigned *nread, int secure, const char *info); -#else - MPI mpi_read(IOBUF inp, unsigned *nread, int secure); -#endif -MPI mpi_read_from_buffer(byte *buffer, unsigned *ret_nread, int secure); -int mpi_fromstr(MPI val, const char *str); -int mpi_print( FILE *fp, MPI a, int mode ); -void g10_log_mpidump( const char *text, MPI a ); -u32 mpi_get_keyid( MPI a, u32 *keyid ); -byte *mpi_get_buffer( MPI a, unsigned *nbytes, int *sign ); -byte *mpi_get_secure_buffer( MPI a, unsigned *nbytes, int *sign ); -void mpi_set_buffer( MPI a, const byte *buffer, unsigned nbytes, int sign ); - -#define log_mpidump g10_log_mpidump - -/*-- mpi-add.c --*/ -void mpi_add_ui(MPI w, MPI u, ulong v ); -void mpi_add(MPI w, MPI u, MPI v); -void mpi_addm(MPI w, MPI u, MPI v, MPI m); -void mpi_sub_ui(MPI w, MPI u, ulong v ); -void mpi_sub( MPI w, MPI u, MPI v); -void mpi_subm( MPI w, MPI u, MPI v, MPI m); - -/*-- mpi-mul.c --*/ -void mpi_mul_ui(MPI w, MPI u, ulong v ); -void mpi_mul_2exp( MPI w, MPI u, ulong cnt); -void mpi_mul( MPI w, MPI u, MPI v); -void mpi_mulm( MPI w, MPI u, MPI v, MPI m); - -/*-- mpi-div.c --*/ -ulong mpi_fdiv_r_ui( MPI rem, MPI dividend, ulong divisor ); -void mpi_fdiv_r( MPI rem, MPI dividend, MPI divisor ); -void mpi_fdiv_q( MPI quot, MPI dividend, MPI divisor ); -void mpi_fdiv_qr( MPI quot, MPI rem, MPI dividend, MPI divisor ); -void mpi_tdiv_r( MPI rem, MPI num, MPI den); -void mpi_tdiv_qr( MPI quot, MPI rem, MPI num, MPI den); -void mpi_tdiv_q_2exp( MPI w, MPI u, unsigned count ); -int mpi_divisible_ui(MPI dividend, ulong divisor ); - -/*-- mpi-gcd.c --*/ -int mpi_gcd( MPI g, MPI a, MPI b ); - -/*-- mpi-pow.c --*/ -void mpi_pow( MPI w, MPI u, MPI v); -void mpi_powm( MPI res, MPI base, MPI exp, MPI mod); - -/*-- mpi-mpow.c --*/ -void mpi_mulpowm( MPI res, MPI *basearray, MPI *exparray, MPI mod); - -/*-- mpi-cmp.c --*/ -int mpi_cmp_ui( MPI u, ulong v ); -int mpi_cmp( MPI u, MPI v ); - -/*-- mpi-scan.c --*/ -int mpi_getbyte( MPI a, unsigned idx ); -void mpi_putbyte( MPI a, unsigned idx, int value ); -unsigned mpi_trailing_zeros( MPI a ); - -/*-- mpi-bit.c --*/ -void mpi_normalize( MPI a ); -unsigned mpi_get_nbits( MPI a ); -int mpi_test_bit( MPI a, unsigned n ); -void mpi_set_bit( MPI a, unsigned n ); -void mpi_set_highbit( MPI a, unsigned n ); -void mpi_clear_highbit( MPI a, unsigned n ); -void mpi_clear_bit( MPI a, unsigned n ); -void mpi_rshift( MPI x, MPI a, unsigned n ); - -/*-- mpi-inv.c --*/ -void mpi_invm( MPI x, MPI u, MPI v ); - - -#endif /*G10_MPI_H*/ |