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include/beecrypt/mp.h

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00001 /*
00002  * Copyright (c) 2002, 2003 Bob Deblier
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this library; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017  *
00018  */
00019 
00041 #ifndef _MP_H
00042 #define _MP_H
00043 
00044 #include "beecrypt/api.h"
00045 #include "beecrypt/mpopt.h"
00046 
00047 #define MP_HWBITS   (MP_WBITS >> 1)
00048 #define MP_WBYTES   (MP_WBITS >> 3)
00049 #define MP_WNIBBLES (MP_WBITS >> 2)
00050 
00051 #if (MP_WBITS == 64)
00052 # define MP_WORDS_TO_BITS(x)    ((x) << 6)
00053 # define MP_WORDS_TO_NIBBLES(x) ((x) << 4)
00054 # define MP_WORDS_TO_BYTES(x)   ((x) << 3)
00055 # define MP_BITS_TO_WORDS(x)    ((x) >> 6)
00056 # define MP_NIBBLES_TO_WORDS(x) ((x) >> 4)
00057 # define MP_BYTES_TO_WORDS(x)   ((x) >> 3)
00058 #elif (MP_WBITS == 32)
00059 # define MP_WORDS_TO_BITS(x)    ((x) << 5)
00060 # define MP_WORDS_TO_NIBBLES(x) ((x) << 3)
00061 # define MP_WORDS_TO_BYTES(x)   ((x) << 2)
00062 # define MP_BITS_TO_WORDS(x)    ((x) >> 5) 
00063 # define MP_NIBBLES_TO_WORDS(x) ((x) >> 3)
00064 # define MP_BYTES_TO_WORDS(x)   ((x) >> 2)
00065 #else
00066 # error
00067 #endif
00068 
00069 #define MP_MSBMASK  (((mpw) 0x1) << (MP_WBITS-1))
00070 #define MP_LSBMASK   ((mpw) 0x1)
00071 #define MP_ALLMASK  ~((mpw) 0x0)
00072 
00073 #ifdef __cplusplus
00074 extern "C" {
00075 #endif
00076 
00077 #ifndef ASM_MPCOPY
00078 # define mpcopy(size, dst, src) memcpy(dst, src, MP_WORDS_TO_BYTES(size))
00079 #else
00080 BEECRYPTAPI
00081 void mpcopy(size_t size, mpw* dest, const mpw* src);
00082 #endif
00083 
00084 #ifndef ASM_MPMOVE
00085 # define mpmove(size, dst, src) memmove(dst, src, MP_WORDS_TO_BYTES(size))
00086 #else
00087 BEECRYPTAPI
00088 void mpmove(size_t size, mpw* dest, const mpw* src);
00089 #endif
00090 
00096 BEECRYPTAPI
00097 void mpzero(size_t size, mpw* data);
00098 
00106 BEECRYPTAPI
00107 void mpfill(size_t size, mpw* data, mpw fill);
00108 
00116 BEECRYPTAPI
00117 int mpodd (size_t size, const mpw* data);
00118 
00126 BEECRYPTAPI
00127 int mpeven(size_t size, const mpw* data);
00128 
00136 BEECRYPTAPI
00137 int mpz  (size_t size, const mpw* data);
00138 
00146 BEECRYPTAPI
00147 int mpnz (size_t size, const mpw* data);
00148 
00158 BEECRYPTAPI
00159 int mpeq (size_t size, const mpw* xdata, const mpw* ydata);
00160 
00170 BEECRYPTAPI
00171 int mpne (size_t size, const mpw* xdata, const mpw* ydata);
00172 
00183 BEECRYPTAPI
00184 int mpgt (size_t size, const mpw* xdata, const mpw* ydata);
00185 
00196 BEECRYPTAPI
00197 int mplt (size_t size, const mpw* xdata, const mpw* ydata);
00198 
00209 BEECRYPTAPI
00210 int mpge (size_t size, const mpw* xdata, const mpw* ydata);
00211 
00222 BEECRYPTAPI
00223 int mple (size_t size, const mpw* xdata, const mpw* ydata);
00224 
00233 BEECRYPTAPI
00234 int mpcmp(size_t size, const mpw* xdata, const mpw* ydata);
00235 
00246 BEECRYPTAPI
00247 int mpeqx(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00248 
00259 BEECRYPTAPI
00260 int mpnex(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00261 
00273 BEECRYPTAPI
00274 int mpgtx(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00275 
00287 BEECRYPTAPI
00288 int mpltx(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00289 
00301 BEECRYPTAPI
00302 int mpgex(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00303 
00315 BEECRYPTAPI
00316 int mplex(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00317 
00326 BEECRYPTAPI
00327 int mpcmpx(size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00328 
00337 BEECRYPTAPI
00338 int mpisone(size_t size, const mpw* data);
00339 
00348 BEECRYPTAPI
00349 int mpistwo(size_t size, const mpw* data);
00350 
00359 BEECRYPTAPI
00360 int mpleone(size_t size, const mpw* data);
00361 
00371 BEECRYPTAPI
00372 int mpeqmone(size_t size, const mpw* xdata, const mpw* ydata);
00373 
00382 BEECRYPTAPI
00383 int mpmsbset(size_t size, const mpw* data);
00384 
00393 BEECRYPTAPI
00394 int mplsbset(size_t size, const mpw* data);
00395 
00402 BEECRYPTAPI
00403 void mpsetmsb(size_t size, mpw* data);
00404 
00411 BEECRYPTAPI
00412 void mpsetlsb(size_t size, mpw* data);
00413 
00420 BEECRYPTAPI
00421 void mpclrmsb(size_t size, mpw* data);
00422 
00429 BEECRYPTAPI
00430 void mpclrlsb(size_t size, mpw* data);
00431 
00439 BEECRYPTAPI
00440 void mpand(size_t size, mpw* xdata, const mpw* ydata);
00441 
00449 BEECRYPTAPI
00450 void mpor(size_t size, mpw* xdata, const mpw* ydata);
00451 
00459 BEECRYPTAPI
00460 void mpxor(size_t size, mpw* xdata, const mpw* ydata);
00461 
00467 BEECRYPTAPI
00468 void mpnot(size_t size, mpw* data);
00469 
00478 BEECRYPTAPI
00479 void mpsetw(size_t size, mpw* xdata, mpw y);
00480 
00489 BEECRYPTAPI
00490 void mpsetws(size_t size, mpw* xdata, size_t y);
00491 
00501 BEECRYPTAPI
00502 void mpsetx(size_t xsize, mpw* xdata, size_t ysize, const mpw* ydata);
00503 
00512 BEECRYPTAPI
00513 int mpaddw(size_t size, mpw* xdata, mpw y);
00514 
00523 BEECRYPTAPI
00524 int mpadd (size_t size, mpw* xdata, const mpw* ydata);
00525 
00535 BEECRYPTAPI
00536 int mpaddx(size_t xsize, mpw* xdata, size_t ysize, const mpw* ydata);
00537 
00546 BEECRYPTAPI
00547 int mpsubw(size_t size, mpw* xdata, mpw y);
00548 
00557 BEECRYPTAPI
00558 int mpsub (size_t size, mpw* xdata, const mpw* ydata);
00559 
00569 BEECRYPTAPI
00570 int mpsubx(size_t xsize, mpw* xdata, size_t ysize, const mpw* ydata);
00571 
00572 BEECRYPTAPI
00573 int mpmultwo(size_t size, mpw* data);
00574 
00580 BEECRYPTAPI
00581 void mpneg(size_t size, mpw* data);
00582 
00589 BEECRYPTAPI
00590 size_t mpsize(size_t size, const mpw* data);
00591 
00598 BEECRYPTAPI
00599 size_t mpbits(size_t size, const mpw* data);
00600 
00601 BEECRYPTAPI
00602 size_t mpmszcnt(size_t size, const mpw* data);
00603 
00604 BEECRYPTAPI
00605 size_t mplszcnt(size_t size, const mpw* data);
00606 
00607 BEECRYPTAPI
00608 void mplshift(size_t size, mpw* data, size_t count);
00609 
00610 BEECRYPTAPI
00611 void mprshift(size_t size, mpw* data, size_t count);
00612 
00613 BEECRYPTAPI
00614 size_t mprshiftlsz(size_t size, mpw* data);
00615 
00616 BEECRYPTAPI
00617 size_t mpnorm(size_t size, mpw* data);
00618 
00619 BEECRYPTAPI
00620 void mpdivtwo (size_t size, mpw* data);
00621 
00622 BEECRYPTAPI
00623 void mpsdivtwo(size_t size, mpw* data);
00624 
00639 BEECRYPTAPI
00640 mpw mpsetmul   (size_t size, mpw* result, const mpw* data, mpw y);
00641 
00655 BEECRYPTAPI
00656 mpw mpaddmul   (size_t size, mpw* result, const mpw* data, mpw y);
00657 
00662 BEECRYPTAPI
00663 void mpaddsqrtrc(size_t size, mpw* result, const mpw* data);
00664 
00668 BEECRYPTAPI
00669 void mpmul(mpw* result, size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata);
00670 
00674 BEECRYPTAPI
00675 void mpsqr(mpw* result, size_t size, const mpw* data);
00676 
00677 BEECRYPTAPI
00678 void mpgcd_w(size_t size, const mpw* xdata, const mpw* ydata, mpw* result, mpw* wksp);
00679 
00680 BEECRYPTAPI
00681 int  mpextgcd_w(size_t size, const mpw* xdata, const mpw* ydata, mpw* result, mpw* wksp);
00682 
00683 BEECRYPTAPI
00684 mpw mppndiv(mpw xhi, mpw xlo, mpw y);
00685 
00686 BEECRYPTAPI
00687 void mpmod (mpw* result, size_t xsize, const mpw* xdata, size_t ysize, const mpw*ydata, mpw* wksp);
00688 
00689 BEECRYPTAPI
00690 void mpndivmod(mpw* result, size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata, mpw* wksp);
00691 
00692 /*
00693  * Output Routines
00694  */
00695 
00696 BEECRYPTAPI
00697 void mpprint(size_t size, const mpw* data);
00698 
00699 BEECRYPTAPI
00700 void mpprintln(size_t size, const mpw* data);
00701 
00702 BEECRYPTAPI
00703 void mpfprint(FILE* f, size_t size, const mpw* data);
00704 
00705 BEECRYPTAPI
00706 void mpfprintln(FILE* f, size_t size, const mpw* data);
00707 
00708 /*
00709  * Conversion Routines
00710  */
00711 
00712 BEECRYPTAPI
00713 int i2osp(byte* osdata, size_t ossize, const mpw* idata, size_t isize);
00714 
00715 BEECRYPTAPI
00716 int os2ip(mpw* idata, size_t isize, const byte* osdata, size_t ossize);
00717 
00718 BEECRYPTAPI
00719 int hs2ip(mpw* idata, size_t isize, const char* hsdata, size_t hssize);
00720 
00721 #ifdef __cplusplus
00722 }
00723 #endif
00724 
00725 #endif

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