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Diffstat (limited to 'thirdparty/openssl/crypto/bn/bnspeed.c')
| -rw-r--r-- | thirdparty/openssl/crypto/bn/bnspeed.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/bn/bnspeed.c b/thirdparty/openssl/crypto/bn/bnspeed.c new file mode 100644 index 0000000000..e387fdfbc2 --- /dev/null +++ b/thirdparty/openssl/crypto/bn/bnspeed.c @@ -0,0 +1,232 @@ +/* unused */ + +/* crypto/bn/bnspeed.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +/* most of this code has been pilfered from my libdes speed.c program */ + +#define BASENUM 1000000 +#undef PROG +#define PROG bnspeed_main + +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <string.h> +#include <openssl/crypto.h> +#include <openssl/err.h> + +#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) +# define TIMES +#endif + +#ifndef _IRIX +# include <time.h> +#endif +#ifdef TIMES +# include <sys/types.h> +# include <sys/times.h> +#endif + +/* + * Depending on the VMS version, the tms structure is perhaps defined. The + * __TMS macro will show if it was. If it wasn't defined, we should undefine + * TIMES, since that tells the rest of the program how things should be + * handled. -- Richard Levitte + */ +#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) +# undef TIMES +#endif + +#ifndef TIMES +# include <sys/timeb.h> +#endif + +#if defined(sun) || defined(__ultrix) +# define _POSIX_SOURCE +# include <limits.h> +# include <sys/param.h> +#endif + +#include <openssl/bn.h> +#include <openssl/x509.h> + +/* The following if from times(3) man page. It may need to be changed */ +#ifndef HZ +# ifndef CLK_TCK +# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ +# define HZ 100.0 +# else /* _BSD_CLK_TCK_ */ +# define HZ ((double)_BSD_CLK_TCK_) +# endif +# else /* CLK_TCK */ +# define HZ ((double)CLK_TCK) +# endif +#endif + +#undef BUFSIZE +#define BUFSIZE ((long)1024*8) +int run = 0; + +static double Time_F(int s); +#define START 0 +#define STOP 1 + +static double Time_F(int s) +{ + double ret; +#ifdef TIMES + static struct tms tstart, tend; + + if (s == START) { + times(&tstart); + return (0); + } else { + times(&tend); + ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ; + return ((ret < 1e-3) ? 1e-3 : ret); + } +#else /* !times() */ + static struct timeb tstart, tend; + long i; + + if (s == START) { + ftime(&tstart); + return (0); + } else { + ftime(&tend); + i = (long)tend.millitm - (long)tstart.millitm; + ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1000.0; + return ((ret < 0.001) ? 0.001 : ret); + } +#endif +} + +#define NUM_SIZES 5 +static int sizes[NUM_SIZES] = { 128, 256, 512, 1024, 2048 }; + +/* + * static int sizes[NUM_SIZES]={59,179,299,419,539}; + */ + +void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx); + +int main(int argc, char **argv) +{ + BN_CTX *ctx; + BIGNUM a, b, c; + + ctx = BN_CTX_new(); + BN_init(&a); + BN_init(&b); + BN_init(&c); + + do_mul(&a, &b, &c, ctx); +} + +void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx) +{ + int i, j, k; + double tm; + long num; + + for (i = 0; i < NUM_SIZES; i++) { + num = BASENUM; + if (i) + num /= (i * 3); + BN_rand(a, sizes[i], 1, 0); + for (j = i; j < NUM_SIZES; j++) { + BN_rand(b, sizes[j], 1, 0); + Time_F(START); + for (k = 0; k < num; k++) + BN_mul(r, b, a, ctx); + tm = Time_F(STOP); + printf("mul %4d x %4d -> %8.3fms\n", sizes[i], sizes[j], + tm * 1000.0 / num); + } + } + + for (i = 0; i < NUM_SIZES; i++) { + num = BASENUM; + if (i) + num /= (i * 3); + BN_rand(a, sizes[i], 1, 0); + Time_F(START); + for (k = 0; k < num; k++) + BN_sqr(r, a, ctx); + tm = Time_F(STOP); + printf("sqr %4d x %4d -> %8.3fms\n", sizes[i], sizes[i], + tm * 1000.0 / num); + } + + for (i = 0; i < NUM_SIZES; i++) { + num = BASENUM / 10; + if (i) + num /= (i * 3); + BN_rand(a, sizes[i] - 1, 1, 0); + for (j = i; j < NUM_SIZES; j++) { + BN_rand(b, sizes[j], 1, 0); + Time_F(START); + for (k = 0; k < 100000; k++) + BN_div(r, NULL, b, a, ctx); + tm = Time_F(STOP); + printf("div %4d / %4d -> %8.3fms\n", sizes[j], sizes[i] - 1, + tm * 1000.0 / num); + } + } +} |