+++ /dev/null
-#include "system.h"
-#include <beecrypt/mpbarrett.h>
-#include <beecrypt/mp.h>
-#include <popt.h>
-#include "debug.h"
-
-static int _debug = 0;
-
-static int Zmpbinv_w(const mpbarrett* b, size_t xsize, const mpw* xdata, mpw* result, mpw* wksp)
-{
- size_t ysize = b->size+1;
- size_t ubits, vbits;
- int k = 0;
-
- mpw* u = wksp;
- mpw* v = u+ysize;
- mpw* A = v+ysize;
- mpw* B = A+ysize;
- mpw* C = B+ysize;
- mpw* D = C+ysize;
-
- mpsetx(ysize, u, xsize, xdata);
- mpsetx(ysize, v, b->size, b->modl);
- mpsetw(ysize, A, 1);
- mpzero(ysize, B);
- mpzero(ysize, C);
- mpsetw(ysize, D, 1);
-
- for (k = 0; mpeven(ysize, u) && mpeven(ysize, v); k++) {
- mpdivtwo(ysize, u);
- mpdivtwo(ysize, v);
- }
-
- if (mpeven(ysize, u))
- (void) mpadd(ysize, u, v);
-
-if (_debug < 0)
-fprintf(stderr, " u: "), mpfprintln(stderr, ysize, u);
-if (_debug < 0)
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-if (_debug < 0)
-fprintf(stderr, " A: "), mpfprintln(stderr, ysize, A);
-if (_debug < 0)
-fprintf(stderr, " B: "), mpfprintln(stderr, ysize, B);
-if (_debug < 0)
-fprintf(stderr, " C: "), mpfprintln(stderr, ysize, C);
-if (_debug < 0)
-fprintf(stderr, " D: "), mpfprintln(stderr, ysize, D);
-
- ubits = vbits = MP_WORDS_TO_BITS(ysize);
-
- do {
- while (mpeven(ysize, v)) {
- mpsdivtwo(ysize, v);
- vbits -= 1;
- if (mpodd(ysize, C)) {
- (void) mpaddx(ysize, C, b->size, b->modl);
- (void) mpsubx(ysize, D, xsize, xdata);
- }
- mpsdivtwo(ysize, C);
- mpsdivtwo(ysize, D);
-if (_debug < 0)
-fprintf(stderr, "-->> v: "), mpfprintln(stderr, ysize, v);
- }
-
- if (ubits >= vbits) {
- mpw* swapu;
- size_t swapi;
-
-if (_debug < 0)
-fprintf(stderr, "--> (swap u <-> v)\n");
- swapu = u; u = v; v = swapu;
- swapi = ubits; ubits = vbits; vbits = swapi;
- swapu = A; A = C; C = swapu;
- swapu = B; B = D; D = swapu;
- }
-
- if (!((u[ysize-1] + v[ysize-1]) & 0x3)) {
-if (_debug < 0)
-fprintf(stderr, "--> (even parity)\n");
- mpadd(ysize, v, u);
- mpadd(ysize, C, A);
- mpadd(ysize, D, B);
- } else {
-if (_debug < 0)
-fprintf(stderr, "--> (odd parity)\n");
- mpsub(ysize, v, u);
- mpsub(ysize, C, A);
- mpsub(ysize, D, B);
- }
-if (_debug < 0)
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-if (_debug < 0)
-fprintf(stderr, " C: "), mpfprintln(stderr, ysize, C);
-if (_debug < 0)
-fprintf(stderr, " D: "), mpfprintln(stderr, ysize, D);
- vbits++;
- } while (mpnz(ysize, v));
-
-#ifdef NOTYET
- if (!mpisone(ysize, u))
- return 0;
-#endif
-
- if (result) {
- mpsetx(b->size, result, ysize, A);
- if (*A & 0x80000000)
- (void) mpneg(b->size, result);
- while (--k > 0)
- mpadd(b->size, result, result);
- }
-
-fprintf(stderr, "=== EXIT: "), mpfprintln(stderr, b->size, result);
-fprintf(stderr, " u: "), mpfprintln(stderr, ysize, u);
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-fprintf(stderr, " A: "), mpfprintln(stderr, ysize, A);
-fprintf(stderr, " B: "), mpfprintln(stderr, ysize, B);
-fprintf(stderr, " C: "), mpfprintln(stderr, ysize, C);
-fprintf(stderr, " D: "), mpfprintln(stderr, ysize, D);
-
- return 1;
-}
-
-static int Ympbinv_w(const mpbarrett* b, size_t xsize, const mpw* xdata, mpw* result, mpw* wksp)
-{
- size_t ysize = b->size+1;
- int k;
- mpw* u1 = wksp;
- mpw* u2 = u1+ysize;
- mpw* u3 = u2+ysize;
- mpw* v1 = u3+ysize;
- mpw* v2 = v1+ysize;
- mpw* v3 = v2+ysize;
- mpw* t1 = v3+ysize;
- mpw* t2 = t1+ysize;
- mpw* t3 = t2+ysize;
- mpw* u = t3+ysize;
- mpw* v = u+ysize;
-
- mpsetx(ysize, u, xsize, xdata);
- mpsetx(ysize, v, b->size, b->modl);
-
- /* Y1. Find power of 2. */
- for (k = 0; mpeven(ysize, u) && mpeven(ysize, v); k++) {
- mpdivtwo(ysize, u);
- mpdivtwo(ysize, v);
- }
-
-if (_debug < 0)
-fprintf(stderr, " u: "), mpfprintln(stderr, ysize, u);
-if (_debug < 0)
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-
- /* Y2. Initialize. */
- mpsetw(ysize, u1, 1);
-if (_debug < 0)
-fprintf(stderr, " u1: "), mpfprintln(stderr, ysize, u1);
- mpzero(ysize, u2);
-if (_debug < 0)
-fprintf(stderr, " u2: "), mpfprintln(stderr, ysize, u2);
- mpsetx(ysize, u3, ysize, u);
-if (_debug < 0)
-fprintf(stderr, " u3: "), mpfprintln(stderr, ysize, u3);
-
- mpsetx(ysize, v1, ysize, v);
-if (_debug < 0)
-fprintf(stderr, " v1: "), mpfprintln(stderr, ysize, v1);
- mpsetw(ysize, v2, 1);
- (void) mpsub(ysize, v2, u);
-if (_debug < 0)
-fprintf(stderr, " v2: "), mpfprintln(stderr, ysize, v2);
- mpsetx(ysize, v3, ysize, v);
-if (_debug < 0)
-fprintf(stderr, " v3: "), mpfprintln(stderr, ysize, v3);
-
- if (mpodd(ysize, u)) {
- mpzero(ysize, t1);
-if (_debug < 0)
-fprintf(stderr, " t1: "), mpfprintln(stderr, ysize, t1);
- mpzero(ysize, t2);
- mpsubw(ysize, t2, 1);
-if (_debug < 0)
-fprintf(stderr, " t2: "), mpfprintln(stderr, ysize, t2);
- mpzero(ysize, t3);
- mpsub(ysize, t3, v);
-if (_debug < 0)
-fprintf(stderr, " t3: "), mpfprintln(stderr, ysize, t3);
- goto Y4;
- } else {
- mpsetw(ysize, t1, 1);
-if (_debug < 0)
-fprintf(stderr, " t1: "), mpfprintln(stderr, ysize, t1);
- mpzero(ysize, t2);
-if (_debug < 0)
-fprintf(stderr, " t2: "), mpfprintln(stderr, ysize, t2);
- mpsetx(ysize, t3, ysize, u);
-if (_debug < 0)
-fprintf(stderr, " t3: "), mpfprintln(stderr, ysize, t3);
- }
-
- do {
- do {
- if (mpodd(ysize, t1) || mpodd(ysize, t2)) {
- mpadd(ysize, t1, v);
- mpsub(ysize, t2, u);
- }
- mpsdivtwo(ysize, t1);
- mpsdivtwo(ysize, t2);
- mpsdivtwo(ysize, t3);
-Y4:
-if (_debug < 0)
-fprintf(stderr, " Y4 t3: "), mpfprintln(stderr, ysize, t3);
- } while (mpeven(ysize, t3));
-
- /* Y5. Reset max(u3,v3). */
- if (!(*t3 & 0x80000000)) {
-if (_debug < 0)
-fprintf(stderr, "--> Y5 (t3 > 0)\n");
- mpsetx(ysize, u1, ysize, t1);
-if (_debug < 0)
-fprintf(stderr, " u1: "), mpfprintln(stderr, ysize, u1);
- mpsetx(ysize, u2, ysize, t2);
-if (_debug < 0)
-fprintf(stderr, " u2: "), mpfprintln(stderr, ysize, u2);
- mpsetx(ysize, u3, ysize, t3);
-if (_debug < 0)
-fprintf(stderr, " u3: "), mpfprintln(stderr, ysize, u3);
- } else {
-if (_debug < 0)
-fprintf(stderr, "--> Y5 (t3 <= 0)\n");
- mpsetx(ysize, v1, ysize, v);
- mpsub(ysize, v1, t1);
-if (_debug < 0)
-fprintf(stderr, " v1: "), mpfprintln(stderr, ysize, v1);
- mpsetx(ysize, v2, ysize, u);
- mpneg(ysize, v2);
- mpsub(ysize, v2, t2);
-if (_debug < 0)
-fprintf(stderr, " v2: "), mpfprintln(stderr, ysize, v2);
- mpzero(ysize, v3);
- mpsub(ysize, v3, t3);
-if (_debug < 0)
-fprintf(stderr, " v3: "), mpfprintln(stderr, ysize, v3);
- }
-
- /* Y6. Subtract. */
- mpsetx(ysize, t1, ysize, u1);
- mpsub(ysize, t1, v1);
- mpsetx(ysize, t2, ysize, u2);
- mpsub(ysize, t2, v2);
- mpsetx(ysize, t3, ysize, u3);
- mpsub(ysize, t3, v3);
-
- if (*t1 & 0x80000000) {
- mpadd(ysize, t1, v);
- mpsub(ysize, t2, u);
- }
-
-if (_debug < 0)
-fprintf(stderr, "-->Y6 t1: "), mpfprintln(stderr, ysize, t1);
-if (_debug < 0)
-fprintf(stderr, " t2: "), mpfprintln(stderr, ysize, t2);
-if (_debug < 0)
-fprintf(stderr, " t3: "), mpfprintln(stderr, ysize, t3);
-
- } while (mpnz(ysize, t3));
-
- if (!(mpisone(ysize, u3) && mpisone(ysize, v3)))
- return 0;
-
- if (result) {
- while (--k > 0)
- mpadd(ysize, u1, u1);
- mpsetx(b->size, result, ysize, u1);
- }
-
-fprintf(stderr, "=== EXIT: "), mpfprintln(stderr, b->size, result);
-fprintf(stderr, " u1: "), mpfprintln(stderr, ysize, u1);
-fprintf(stderr, " u2: "), mpfprintln(stderr, ysize, u2);
-fprintf(stderr, " u3: "), mpfprintln(stderr, ysize, u3);
-fprintf(stderr, " v1: "), mpfprintln(stderr, ysize, v1);
-fprintf(stderr, " v2: "), mpfprintln(stderr, ysize, v2);
-fprintf(stderr, " v3: "), mpfprintln(stderr, ysize, v3);
-fprintf(stderr, " t1: "), mpfprintln(stderr, ysize, t1);
-fprintf(stderr, " t2: "), mpfprintln(stderr, ysize, t2);
-fprintf(stderr, " t3: "), mpfprintln(stderr, ysize, t3);
-
- return 1;
-}
-
-/**
- * Computes the inverse (modulo b) of x, and returns 1 if x was invertible.
- * needs workspace of (6*size+6) words
- * @note xdata and result cannot point to the same area
- */
-static int Xmpbinv_w(const mpbarrett* b, size_t xsize, const mpw* xdata, mpw* result, mpw* wksp)
-{
- /*
- * Fact: if a element of Zn, then a is invertible if and only if gcd(a,n) = 1
- * Hence: if b->modl is even, then x must be odd, otherwise the gcd(x,n) >= 2
- *
- * The calling routine must guarantee this condition.
- */
-
- size_t ysize = b->size+1;
-
- mpw* u = wksp;
- mpw* v = u+ysize;
- mpw* A = v+ysize;
- mpw* B = A+ysize;
- mpw* C = B+ysize;
- mpw* D = C+ysize;
-
- mpsetx(ysize, u, b->size, b->modl);
- mpsetx(ysize, v, xsize, xdata);
- mpsetw(ysize, A, 1);
- mpzero(ysize, B);
- mpzero(ysize, C);
- mpsetw(ysize, D, 1);
-
-if (_debug < 0)
-fprintf(stderr, " u: "), mpfprintln(stderr, ysize, u);
-if (_debug < 0)
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-if (_debug < 0)
-fprintf(stderr, " A: "), mpfprintln(stderr, ysize, A);
-if (_debug < 0)
-fprintf(stderr, " B: "), mpfprintln(stderr, ysize, B);
-if (_debug < 0)
-fprintf(stderr, " C: "), mpfprintln(stderr, ysize, C);
-if (_debug < 0)
-fprintf(stderr, " D: "), mpfprintln(stderr, ysize, D);
-
- do {
- while (mpeven(ysize, u))
- {
- mpdivtwo(ysize, u);
-
- if (mpodd(ysize, A) || mpodd(ysize, B))
- {
- (void) mpaddx(ysize, A, xsize, xdata);
- (void) mpsubx(ysize, B, b->size, b->modl);
- }
-
- mpsdivtwo(ysize, A);
- mpsdivtwo(ysize, B);
- }
- while (mpeven(ysize, v))
- {
- mpdivtwo(ysize, v);
-
- if (mpodd(ysize, C) || mpodd(ysize, D))
- {
- (void) mpaddx(ysize, C, xsize, xdata);
- (void) mpsubx(ysize, D, b->size, b->modl);
- }
-
- mpsdivtwo(ysize, C);
- mpsdivtwo(ysize, D);
- }
- if (mpge(ysize, u, v))
- {
-if (_debug < 0)
-fprintf(stderr, "--> 5 (u >= v)\n");
- (void) mpsub(ysize, u, v);
- (void) mpsub(ysize, A, C);
- (void) mpsub(ysize, B, D);
-if (_debug < 0)
-fprintf(stderr, " u: "), mpfprintln(stderr, ysize, u);
-if (_debug < 0)
-fprintf(stderr, " A: "), mpfprintln(stderr, ysize, A);
-if (_debug < 0)
-fprintf(stderr, " B: "), mpfprintln(stderr, ysize, B);
- }
- else
- {
-if (_debug < 0)
-fprintf(stderr, "--> 5 (u < v)\n");
- (void) mpsub(ysize, v, u);
- (void) mpsub(ysize, C, A);
- (void) mpsub(ysize, D, B);
-if (_debug < 0)
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-if (_debug < 0)
-fprintf(stderr, " C: "), mpfprintln(stderr, ysize, C);
-if (_debug < 0)
-fprintf(stderr, " D: "), mpfprintln(stderr, ysize, D);
- }
-
- } while (mpnz(ysize, u));
-
- if (!mpisone(ysize, v))
- return 0;
-
- if (result)
- {
- mpsetx(b->size, result, ysize, D);
- if (*D & 0x80000000)
- (void) mpadd(b->size, result, b->modl);
- }
-
-fprintf(stderr, "=== EXIT: "), mpfprintln(stderr, b->size, result);
-fprintf(stderr, " u: "), mpfprintln(stderr, ysize, u);
-fprintf(stderr, " v: "), mpfprintln(stderr, ysize, v);
-fprintf(stderr, " A: "), mpfprintln(stderr, ysize, A);
-fprintf(stderr, " B: "), mpfprintln(stderr, ysize, B);
-fprintf(stderr, " C: "), mpfprintln(stderr, ysize, C);
-fprintf(stderr, " D: "), mpfprintln(stderr, ysize, D);
- return 1;
-}
-
-static const char * dsa_q = "a1b35510319a59825c721e73e41d687ffe351bc9";
-static const char * dsa_s[] = {
- "22e917d8a47462c09748e00aebbab5fd93793495", /* samba-2.2.1a-4.i386.rpm */
- "0476b30eb86899c6785fad4f7a62e43d59481273", /* gtkhtml-devel-0.9.2-9.i386.rpm */
- "8adbca132a0e6a2d2ee5bb2cd837b350c9f8db42", /* lha-1.00-17.i386.rpm */
-
- "026efa7a5a60d29921ec93f503b5c483d131d8c4", /* jed-0.99.14-2.i386.rpm */
- "2e4ec3c986b5a1f8f77b0b9f911d4e1b0ed8d869", /* ttfonts-zh_TW-2.11-5.noarch.rpm */
-
- "259e4859e65c2528d3c35eaf2717d8963c834e94", /* libxml2-2.4.2-1.i386.rpm */
- "45462b3534c2ff7a13f232a4e6e4460c61b2e232", /* slang-1.4.4-4.i386.rpm */
- "0a73e678141aea7b4e5195afb7db3e9ec00f9f85", /* time-1.7-14.i386.rpm */
- NULL
-};
-
-static const char * dsa_w_good[]= {
- "8b2eeda5fd34067c248bc3262e28f5668e64500b", /* samba-2.2.1a-4.i386.rpm */
- "98f6a05c5cc17c2e48faad178d2c21c0bcca694b", /* gtkhtml-devel-0.9.2-9.i386.rpm */
- "8ec91350f3237ee249ea009143f692d4cc2f8d2e", /* lha-1.00-17.i386.rpm */
-
- "7db9e81c6f60fdd29243f67b70af7d1d14c9c703", /* jed-0.99.14-2.i386.rpm */
- "6bdc316aef981e45c47dabab904a31747d349eec", /* ttfonts-zh_TW-2.11-5.noarch.rpm */
-
- "6d1eaa6c78ad945a1de7bc369f7992e9df3735d9", /* libxml2-2.4.2-1.i386.rpm */
- "79dc6adee7817e7dc248cfeb4b358e933af6de01", /* slang-1.4.4-4.i386.rpm */
- "2659140a40cb05e85c536a299327addb0a762b8a", /* time-1.7-14.i386.rpm */
- NULL
-};
-
-static const char * dsa_w_bad[] = {
- "e97b9895cb99acf9c819a4b24a0b8ce6902f3442", /* samba-2.2.1a-4.i386.rpm */
- "f7434b4c2b2722abec888ea3a90eb940be954d82", /* gtkhtml-devel-0.9.2-9.i386.rpm */
- "ed15be40c189255fed77e21d5fd92a54cdfa7165", /* lha-1.00-17.i386.rpm */
-
- "dc06930c3dc6a45035d1d8078c92149d1694ab3a", /* jed-0.99.14-2.i386.rpm */
- "ca28dc5abdfdc4c3680b8d37ac2cc8f47eff8323", /* ttfonts-zh_TW-2.11-5.noarch.rpm */
-
- "cb6b555c47133ad7c1759dc2bb5c2a69e1021a10", /* libxml2-2.4.2-1.i386.rpm */
- "d82915ceb5e724fb65d6b177671826133cc1c238", /* slang-1.4.4-4.i386.rpm */
- "2659140a40cb05e85c536a299327addb0a762b8a", /* time-1.7-14.i386.rpm */
- NULL
-};
-
-static struct poptOption optionsTable[] = {
- { "debug", 'd', POPT_ARG_VAL, &_debug, -1, NULL, NULL },
- POPT_AUTOHELP
- POPT_TABLEEND
-};
-
-int
-main(int argc, char *argv[])
-{
- poptContext optCon = poptGetContext(argv[0], argc, argv, optionsTable, 0);
- mpbarrett q;
- mpnumber s;
- size_t qsize;
- mpw* qtemp;
- mpw* qwksp;
- int rc;
- int i;
-
- while ((rc = poptGetNextOpt(optCon)) > 0) {
- switch (rc) {
- default:
- break;
- }
- }
-
- mpbzero(&q); mpbsethex(&q, dsa_q);
- qsize = q.size;
- qtemp = malloc((13*qsize+13) * sizeof(*qtemp));
- qwksp = qtemp+2*qsize;
-
- for (i = 0; i < 9; i++) {
- if (dsa_s[i] == NULL) break;
-fprintf(stderr, "================================================== %d\n", i);
- fprintf(stderr, " s: %s\n", dsa_s[i]);
- mpnzero(&s); mpnsethex(&s, dsa_s[i]);
-
-fprintf(stderr, "-------------------------------------------------- %d\n", i);
- rc = Xmpbinv_w(&q, s.size, s.data, qtemp, qwksp);
- fprintf(stderr, "beecrypt: "); mpfprintln(stderr, qsize, qtemp);
-
-fprintf(stderr, "-------------------------------------------------- %d\n", i);
- rc = Ympbinv_w(&q, s.size, s.data, qtemp, qwksp);
- fprintf(stderr, " Knuth: "); mpfprintln(stderr, qsize, qtemp);
-
-fprintf(stderr, "-------------------------------------------------- %d\n", i);
- rc = Zmpbinv_w(&q, s.size, s.data, qtemp, qwksp);
- fprintf(stderr, " Brent: "); mpfprintln(stderr, qsize, qtemp);
-
-fprintf(stderr, "-------------------------------------------------- %d\n", i);
- fprintf(stderr, " q: %s\n", dsa_q);
- fprintf(stderr, " s: %s\n", dsa_s[i]);
- fprintf(stderr, " GOOD: %s\n", dsa_w_good[i]);
- fprintf(stderr, " BAD: %s\n", dsa_w_bad[i]);
- }
-
- return 0;
-
-}
projects / tools / librpm-tizen.git / commitdiff