diff options
Diffstat (limited to 'security/nss/lib/freebl/ecl/tests/ec_naft.c')
| -rw-r--r-- | security/nss/lib/freebl/ecl/tests/ec_naft.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/security/nss/lib/freebl/ecl/tests/ec_naft.c b/security/nss/lib/freebl/ecl/tests/ec_naft.c deleted file mode 100644 index 490794db7..000000000 --- a/security/nss/lib/freebl/ecl/tests/ec_naft.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is the elliptic curve math library. - * - * The Initial Developer of the Original Code is - * Sun Microsystems, Inc. - * Portions created by the Initial Developer are Copyright (C) 2003 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * Stephen Fung <fungstep@hotmail.com>, Sun Microsystems Laboratories - * - * Alternatively, the contents of this file may be used under the terms of - * either the GNU General Public License Version 2 or later (the "GPL"), or - * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -#include "mpi.h" -#include "mplogic.h" -#include "ecl.h" -#include "ecp.h" -#include "ecl-priv.h" - -#include <sys/types.h> -#include <stdio.h> -#include <time.h> -#include <sys/time.h> -#include <sys/resource.h> - -/* Returns 2^e as an integer. This is meant to be used for small powers of - * two. */ -int ec_twoTo(int e); - -/* Number of bits of scalar to test */ -#define BITSIZE 160 - -/* Time k repetitions of operation op. */ -#define M_TimeOperation(op, k) { \ - double dStart, dNow, dUserTime; \ - struct rusage ru; \ - int i; \ - getrusage(RUSAGE_SELF, &ru); \ - dStart = (double)ru.ru_utime.tv_sec+(double)ru.ru_utime.tv_usec*0.000001; \ - for (i = 0; i < k; i++) { \ - { op; } \ - }; \ - getrusage(RUSAGE_SELF, &ru); \ - dNow = (double)ru.ru_utime.tv_sec+(double)ru.ru_utime.tv_usec*0.000001; \ - dUserTime = dNow-dStart; \ - if (dUserTime) printf(" %-45s\n k: %6i, t: %6.2f sec\n", #op, k, dUserTime); \ -} - -/* Tests wNAF computation. Non-adjacent-form is discussed in the paper: D. - * Hankerson, J. Hernandez and A. Menezes, "Software implementation of - * elliptic curve cryptography over binary fields", Proc. CHES 2000. */ - -mp_err -main(void) -{ - signed char naf[BITSIZE + 1]; - ECGroup *group = NULL; - mp_int k; - mp_int *scalar; - int i, count; - int res; - int w = 5; - char s[1000]; - - /* Get a 160 bit scalar to compute wNAF from */ - group = ECGroup_fromName(ECCurve_SECG_PRIME_160R1); - scalar = &group->genx; - - /* Compute wNAF representation of scalar */ - ec_compute_wNAF(naf, BITSIZE, scalar, w); - - /* Verify correctness of representation */ - mp_init(&k); /* init k to 0 */ - - for (i = BITSIZE; i >= 0; i--) { - mp_add(&k, &k, &k); - /* digits in mp_???_d are unsigned */ - if (naf[i] >= 0) { - mp_add_d(&k, naf[i], &k); - } else { - mp_sub_d(&k, -naf[i], &k); - } - } - - if (mp_cmp(&k, scalar) != 0) { - printf("Error: incorrect NAF value.\n"); - MP_CHECKOK(mp_toradix(&k, s, 16)); - printf("NAF value %s\n", s); - MP_CHECKOK(mp_toradix(scalar, s, 16)); - printf("original value %s\n", s); - goto CLEANUP; - } - - /* Verify digits of representation are valid */ - for (i = 0; i <= BITSIZE; i++) { - if (naf[i] % 2 == 0 && naf[i] != 0) { - printf("Error: Even non-zero digit found.\n"); - goto CLEANUP; - } - if (naf[i] < -(ec_twoTo(w - 1)) || naf[i] >= ec_twoTo(w - 1)) { - printf("Error: Magnitude of naf digit too large.\n"); - goto CLEANUP; - } - } - - /* Verify sparsity of representation */ - count = w - 1; - for (i = 0; i <= BITSIZE; i++) { - if (naf[i] != 0) { - if (count < w - 1) { - printf("Error: Sparsity failed.\n"); - goto CLEANUP; - } - count = 0; - } else - count++; - } - - /* Check timing */ - M_TimeOperation(ec_compute_wNAF(naf, BITSIZE, scalar, w), 10000); - - printf("Test passed.\n"); - CLEANUP: - ECGroup_free(group); - return MP_OKAY; -} |