mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-16 04:20:32 +01:00
427 lines
13 KiB
C
427 lines
13 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mpi.h"
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#include "mplogic.h"
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#include "mpprime.h"
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#include "ecl.h"
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#include "ecl-curve.h"
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#include "ecp.h"
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#include <stdio.h>
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#include <strings.h>
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#include <assert.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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/* Time k repetitions of operation op. */
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#define M_TimeOperation(op, k) { \
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double dStart, dNow, dUserTime; \
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struct rusage ru; \
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int i; \
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getrusage(RUSAGE_SELF, &ru); \
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dStart = (double)ru.ru_utime.tv_sec+(double)ru.ru_utime.tv_usec*0.000001; \
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for (i = 0; i < k; i++) { \
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{ op; } \
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}; \
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getrusage(RUSAGE_SELF, &ru); \
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dNow = (double)ru.ru_utime.tv_sec+(double)ru.ru_utime.tv_usec*0.000001; \
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dUserTime = dNow-dStart; \
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if (dUserTime) printf(" %-45s k: %6i, t: %6.2f sec\n", #op, k, dUserTime); \
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}
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/* Test curve using generic field arithmetic. */
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#define ECTEST_GENERIC_GFP(name_c, name) \
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printf("Testing %s using generic implementation...\n", name_c); \
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params = EC_GetNamedCurveParams(name); \
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if (params == NULL) { \
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printf(" Error: could not construct params.\n"); \
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res = MP_NO; \
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goto CLEANUP; \
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} \
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ECGroup_free(group); \
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group = ECGroup_fromHex(params); \
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if (group == NULL) { \
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printf(" Error: could not construct group.\n"); \
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res = MP_NO; \
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goto CLEANUP; \
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} \
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MP_CHECKOK( ectest_curve_GFp(group, ectestPrint, ectestTime, 1) ); \
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printf("... okay.\n");
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/* Test curve using specific field arithmetic. */
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#define ECTEST_NAMED_GFP(name_c, name) \
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printf("Testing %s using specific implementation...\n", name_c); \
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ECGroup_free(group); \
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group = ECGroup_fromName(name); \
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if (group == NULL) { \
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printf(" Warning: could not construct group.\n"); \
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printf("... failed; continuing with remaining tests.\n"); \
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} else { \
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MP_CHECKOK( ectest_curve_GFp(group, ectestPrint, ectestTime, 0) ); \
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printf("... okay.\n"); \
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}
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/* Performs basic tests of elliptic curve cryptography over prime fields.
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* If tests fail, then it prints an error message, aborts, and returns an
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* error code. Otherwise, returns 0. */
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int
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ectest_curve_GFp(ECGroup *group, int ectestPrint, int ectestTime,
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int generic)
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{
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mp_int one, order_1, gx, gy, rx, ry, n;
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int size;
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mp_err res;
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char s[1000];
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/* initialize values */
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MP_CHECKOK(mp_init(&one));
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MP_CHECKOK(mp_init(&order_1));
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MP_CHECKOK(mp_init(&gx));
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MP_CHECKOK(mp_init(&gy));
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MP_CHECKOK(mp_init(&rx));
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MP_CHECKOK(mp_init(&ry));
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MP_CHECKOK(mp_init(&n));
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MP_CHECKOK(mp_set_int(&one, 1));
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MP_CHECKOK(mp_sub(&group->order, &one, &order_1));
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/* encode base point */
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if (group->meth->field_dec) {
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MP_CHECKOK(group->meth->field_dec(&group->genx, &gx, group->meth));
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MP_CHECKOK(group->meth->field_dec(&group->geny, &gy, group->meth));
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} else {
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MP_CHECKOK(mp_copy(&group->genx, &gx));
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MP_CHECKOK(mp_copy(&group->geny, &gy));
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}
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if (ectestPrint) {
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/* output base point */
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printf(" base point P:\n");
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MP_CHECKOK(mp_toradix(&gx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&gy, s, 16));
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printf(" %s\n", s);
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if (group->meth->field_enc) {
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printf(" base point P (encoded):\n");
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MP_CHECKOK(mp_toradix(&group->genx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&group->geny, s, 16));
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printf(" %s\n", s);
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}
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}
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#ifdef ECL_ENABLE_GFP_PT_MUL_AFF
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/* multiply base point by order - 1 and check for negative of base
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* point */
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MP_CHECKOK(ec_GFp_pt_mul_aff
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(&order_1, &group->genx, &group->geny, &rx, &ry, group));
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if (ectestPrint) {
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printf(" (order-1)*P (affine):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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MP_CHECKOK(group->meth->field_neg(&ry, &ry, group->meth));
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if ((mp_cmp(&rx, &group->genx) != 0)
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|| (mp_cmp(&ry, &group->geny) != 0)) {
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printf(" Error: invalid result (expected (- base point)).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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#endif
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#ifdef ECL_ENABLE_GFP_PT_MUL_AFF
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/* multiply base point by order - 1 and check for negative of base
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* point */
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MP_CHECKOK(ec_GFp_pt_mul_jac
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(&order_1, &group->genx, &group->geny, &rx, &ry, group));
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if (ectestPrint) {
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printf(" (order-1)*P (jacobian):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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MP_CHECKOK(group->meth->field_neg(&ry, &ry, group->meth));
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if ((mp_cmp(&rx, &group->genx) != 0)
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|| (mp_cmp(&ry, &group->geny) != 0)) {
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printf(" Error: invalid result (expected (- base point)).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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#endif
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/* multiply base point by order - 1 and check for negative of base
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* point */
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MP_CHECKOK(ECPoint_mul(group, &order_1, NULL, NULL, &rx, &ry));
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if (ectestPrint) {
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printf(" (order-1)*P (ECPoint_mul):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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MP_CHECKOK(mp_submod(&group->meth->irr, &ry, &group->meth->irr, &ry));
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if ((mp_cmp(&rx, &gx) != 0) || (mp_cmp(&ry, &gy) != 0)) {
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printf(" Error: invalid result (expected (- base point)).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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/* multiply base point by order - 1 and check for negative of base
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* point */
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MP_CHECKOK(ECPoint_mul(group, &order_1, &gx, &gy, &rx, &ry));
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if (ectestPrint) {
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printf(" (order-1)*P (ECPoint_mul):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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MP_CHECKOK(mp_submod(&group->meth->irr, &ry, &group->meth->irr, &ry));
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if ((mp_cmp(&rx, &gx) != 0) || (mp_cmp(&ry, &gy) != 0)) {
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printf(" Error: invalid result (expected (- base point)).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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#ifdef ECL_ENABLE_GFP_PT_MUL_AFF
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/* multiply base point by order and check for point at infinity */
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MP_CHECKOK(ec_GFp_pt_mul_aff
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(&group->order, &group->genx, &group->geny, &rx, &ry,
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group));
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if (ectestPrint) {
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printf(" (order)*P (affine):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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if (ec_GFp_pt_is_inf_aff(&rx, &ry) != MP_YES) {
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printf(" Error: invalid result (expected point at infinity).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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#endif
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#ifdef ECL_ENABLE_GFP_PT_MUL_JAC
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/* multiply base point by order and check for point at infinity */
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MP_CHECKOK(ec_GFp_pt_mul_jac
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(&group->order, &group->genx, &group->geny, &rx, &ry,
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group));
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if (ectestPrint) {
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printf(" (order)*P (jacobian):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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if (ec_GFp_pt_is_inf_aff(&rx, &ry) != MP_YES) {
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printf(" Error: invalid result (expected point at infinity).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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#endif
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/* multiply base point by order and check for point at infinity */
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MP_CHECKOK(ECPoint_mul(group, &group->order, NULL, NULL, &rx, &ry));
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if (ectestPrint) {
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printf(" (order)*P (ECPoint_mul):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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if (ec_GFp_pt_is_inf_aff(&rx, &ry) != MP_YES) {
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printf(" Error: invalid result (expected point at infinity).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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/* multiply base point by order and check for point at infinity */
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MP_CHECKOK(ECPoint_mul(group, &group->order, &gx, &gy, &rx, &ry));
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if (ectestPrint) {
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printf(" (order)*P (ECPoint_mul):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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if (ec_GFp_pt_is_inf_aff(&rx, &ry) != MP_YES) {
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printf(" Error: invalid result (expected point at infinity).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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/* check that (order-1)P + (order-1)P + P == (order-1)P */
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MP_CHECKOK(ECPoints_mul
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(group, &order_1, &order_1, &gx, &gy, &rx, &ry));
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MP_CHECKOK(ECPoints_mul(group, &one, &one, &rx, &ry, &rx, &ry));
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if (ectestPrint) {
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printf
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(" (order-1)*P + (order-1)*P + P == (order-1)*P (ECPoints_mul):\n");
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MP_CHECKOK(mp_toradix(&rx, s, 16));
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printf(" %s\n", s);
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MP_CHECKOK(mp_toradix(&ry, s, 16));
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printf(" %s\n", s);
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}
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MP_CHECKOK(mp_submod(&group->meth->irr, &ry, &group->meth->irr, &ry));
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if ((mp_cmp(&rx, &gx) != 0) || (mp_cmp(&ry, &gy) != 0)) {
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printf(" Error: invalid result (expected (- base point)).\n");
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res = MP_NO;
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goto CLEANUP;
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}
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/* test validate_point function */
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if (ECPoint_validate(group, &gx, &gy) != MP_YES) {
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printf(" Error: validate point on base point failed.\n");
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res = MP_NO;
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goto CLEANUP;
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}
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MP_CHECKOK(mp_add_d(&gy, 1, &ry));
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if (ECPoint_validate(group, &gx, &ry) != MP_NO) {
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printf(" Error: validate point on invalid point passed.\n");
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res = MP_NO;
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goto CLEANUP;
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}
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if (ectestTime) {
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/* compute random scalar */
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size = mpl_significant_bits(&group->meth->irr);
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if (size < MP_OKAY) {
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goto CLEANUP;
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}
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MP_CHECKOK(mpp_random_size(&n, (size + ECL_BITS - 1) / ECL_BITS));
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MP_CHECKOK(group->meth->field_mod(&n, &n, group->meth));
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/* timed test */
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if (generic) {
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#ifdef ECL_ENABLE_GFP_PT_MUL_AFF
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M_TimeOperation(MP_CHECKOK
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(ec_GFp_pt_mul_aff
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(&n, &group->genx, &group->geny, &rx, &ry,
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group)), 100);
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#endif
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M_TimeOperation(MP_CHECKOK
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(ECPoint_mul(group, &n, NULL, NULL, &rx, &ry)),
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100);
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M_TimeOperation(MP_CHECKOK
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(ECPoints_mul
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(group, &n, &n, &gx, &gy, &rx, &ry)), 100);
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} else {
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M_TimeOperation(MP_CHECKOK
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(ECPoint_mul(group, &n, NULL, NULL, &rx, &ry)),
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100);
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M_TimeOperation(MP_CHECKOK
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(ECPoint_mul(group, &n, &gx, &gy, &rx, &ry)),
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100);
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M_TimeOperation(MP_CHECKOK
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(ECPoints_mul
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(group, &n, &n, &gx, &gy, &rx, &ry)), 100);
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}
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}
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CLEANUP:
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mp_clear(&one);
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mp_clear(&order_1);
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mp_clear(&gx);
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mp_clear(&gy);
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mp_clear(&rx);
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mp_clear(&ry);
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mp_clear(&n);
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if (res != MP_OKAY) {
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printf(" Error: exiting with error value %i\n", res);
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}
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return res;
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}
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/* Prints help information. */
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void
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printUsage()
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{
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printf("Usage: ecp_test [--print] [--time]\n");
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printf
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(" --print Print out results of each point arithmetic test.\n");
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printf
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(" --time Benchmark point operations and print results.\n");
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}
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/* Performs tests of elliptic curve cryptography over prime fields If
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* tests fail, then it prints an error message, aborts, and returns an
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* error code. Otherwise, returns 0. */
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int
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main(int argv, char **argc)
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{
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int ectestTime = 0;
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int ectestPrint = 0;
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int i;
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ECGroup *group = NULL;
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ECCurveParams *params = NULL;
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mp_err res;
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/* read command-line arguments */
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for (i = 1; i < argv; i++) {
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if ((strcasecmp(argc[i], "time") == 0)
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|| (strcasecmp(argc[i], "-time") == 0)
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|| (strcasecmp(argc[i], "--time") == 0)) {
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ectestTime = 1;
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} else if ((strcasecmp(argc[i], "print") == 0)
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|| (strcasecmp(argc[i], "-print") == 0)
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|| (strcasecmp(argc[i], "--print") == 0)) {
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ectestPrint = 1;
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} else {
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printUsage();
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return 0;
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}
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}
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/* generic arithmetic tests */
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ECTEST_GENERIC_GFP("SECP-160R1", ECCurve_SECG_PRIME_160R1);
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/* specific arithmetic tests */
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ECTEST_NAMED_GFP("NIST-P192", ECCurve_NIST_P192);
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ECTEST_NAMED_GFP("NIST-P224", ECCurve_NIST_P224);
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ECTEST_NAMED_GFP("NIST-P256", ECCurve_NIST_P256);
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ECTEST_NAMED_GFP("NIST-P384", ECCurve_NIST_P384);
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ECTEST_NAMED_GFP("NIST-P521", ECCurve_NIST_P521);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME192v1", ECCurve_X9_62_PRIME_192V1);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME192v2", ECCurve_X9_62_PRIME_192V2);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME192v3", ECCurve_X9_62_PRIME_192V3);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME239v1", ECCurve_X9_62_PRIME_239V1);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME239v2", ECCurve_X9_62_PRIME_239V2);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME239v3", ECCurve_X9_62_PRIME_239V3);
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ECTEST_NAMED_GFP("ANSI X9.62 PRIME256v1", ECCurve_X9_62_PRIME_256V1);
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ECTEST_NAMED_GFP("SECP-112R1", ECCurve_SECG_PRIME_112R1);
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ECTEST_NAMED_GFP("SECP-112R2", ECCurve_SECG_PRIME_112R2);
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ECTEST_NAMED_GFP("SECP-128R1", ECCurve_SECG_PRIME_128R1);
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ECTEST_NAMED_GFP("SECP-128R2", ECCurve_SECG_PRIME_128R2);
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ECTEST_NAMED_GFP("SECP-160K1", ECCurve_SECG_PRIME_160K1);
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ECTEST_NAMED_GFP("SECP-160R1", ECCurve_SECG_PRIME_160R1);
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ECTEST_NAMED_GFP("SECP-160R2", ECCurve_SECG_PRIME_160R2);
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ECTEST_NAMED_GFP("SECP-192K1", ECCurve_SECG_PRIME_192K1);
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ECTEST_NAMED_GFP("SECP-192R1", ECCurve_SECG_PRIME_192R1);
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ECTEST_NAMED_GFP("SECP-224K1", ECCurve_SECG_PRIME_224K1);
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ECTEST_NAMED_GFP("SECP-224R1", ECCurve_SECG_PRIME_224R1);
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ECTEST_NAMED_GFP("SECP-256K1", ECCurve_SECG_PRIME_256K1);
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ECTEST_NAMED_GFP("SECP-256R1", ECCurve_SECG_PRIME_256R1);
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ECTEST_NAMED_GFP("SECP-384R1", ECCurve_SECG_PRIME_384R1);
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ECTEST_NAMED_GFP("SECP-521R1", ECCurve_SECG_PRIME_521R1);
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ECTEST_NAMED_GFP("WTLS-6 (112)", ECCurve_WTLS_6);
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ECTEST_NAMED_GFP("WTLS-7 (160)", ECCurve_WTLS_7);
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ECTEST_NAMED_GFP("WTLS-8 (112)", ECCurve_WTLS_8);
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ECTEST_NAMED_GFP("WTLS-9 (160)", ECCurve_WTLS_9);
|
|
ECTEST_NAMED_GFP("WTLS-12 (224)", ECCurve_WTLS_12);
|
|
|
|
CLEANUP:
|
|
EC_FreeCurveParams(params);
|
|
ECGroup_free(group);
|
|
if (res != MP_OKAY) {
|
|
printf("Error: exiting with error value %i\n", res);
|
|
}
|
|
return res;
|
|
}
|