diff options
Diffstat (limited to 'openssl/crypto/bn/expspeed.c')
| -rw-r--r-- | openssl/crypto/bn/expspeed.c | 396 |
1 files changed, 212 insertions, 184 deletions
diff --git a/openssl/crypto/bn/expspeed.c b/openssl/crypto/bn/expspeed.c index 4d5f221f3..513a568a4 100644 --- a/openssl/crypto/bn/expspeed.c +++ b/openssl/crypto/bn/expspeed.c @@ -7,21 +7,21 @@ * 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: @@ -36,10 +36,10 @@ * 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 + * 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 @@ -51,7 +51,7 @@ * 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 @@ -60,12 +60,13 @@ /* most of this code has been pilfered from my libdes speed.c program */ -#define BASENUM 5000 +#define BASENUM 5000 #define NUM_START 0 - -/* determine timings for modexp, modmul, modsqr, gcd, Kronecker symbol, - * modular inverse, or modular square roots */ +/* + * determine timings for modexp, modmul, modsqr, gcd, Kronecker symbol, + * modular inverse, or modular square roots + */ #define TEST_EXP #undef TEST_MUL #undef TEST_SQR @@ -73,19 +74,18 @@ #undef TEST_KRON #undef TEST_INV #undef TEST_SQRT -#define P_MOD_64 9 /* least significant 6 bits for prime to be used for BN_sqrt timings */ +#define P_MOD_64 9 /* least significant 6 bits for prime to be + * used for BN_sqrt timings */ #if defined(TEST_EXP) + defined(TEST_MUL) + defined(TEST_SQR) + defined(TEST_GCD) + defined(TEST_KRON) + defined(TEST_INV) +defined(TEST_SQRT) != 1 -# error "choose one test" +# error "choose one test" #endif #if defined(TEST_INV) || defined(TEST_SQRT) -# define C_PRIME +# define C_PRIME static void genprime_cb(int p, int n, void *arg); #endif - - #undef PROG #define PROG bnspeed_main @@ -98,33 +98,35 @@ static void genprime_cb(int p, int n, void *arg); #include <openssl/rand.h> #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) -#define TIMES +# define TIMES #endif #ifndef _IRIX -#include <time.h> +# include <time.h> #endif #ifdef TIMES -#include <sys/types.h> -#include <sys/times.h> +# 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 */ +/* + * 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 +# undef TIMES #endif #ifndef TIMES -#include <sys/timeb.h> +# include <sys/timeb.h> #endif #if defined(sun) || defined(__ultrix) -#define _POSIX_SOURCE -#include <limits.h> -#include <sys/param.h> +# define _POSIX_SOURCE +# include <limits.h> +# include <sys/param.h> #endif #include <openssl/bn.h> @@ -133,221 +135,247 @@ static void genprime_cb(int p, int n, void *arg); /* 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_ */ +# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ +# define HZ 100.0 +# else /* _BSD_CLK_TCK_ */ # define HZ ((double)_BSD_CLK_TCK_) # endif -# else /* CLK_TCK */ +# else /* CLK_TCK */ # define HZ ((double)CLK_TCK) # endif #endif #undef BUFSIZE -#define BUFSIZE ((long)1024*8) -int run=0; +#define BUFSIZE ((long)1024*8) +int run = 0; static double Time_F(int s); -#define START 0 -#define STOP 1 +#define START 0 +#define STOP 1 static double Time_F(int s) - { - double ret; +{ + 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); - } + 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 7 +#define NUM_SIZES 7 #if NUM_START > NUM_SIZES -# error "NUM_START > NUM_SIZES" +# error "NUM_START > NUM_SIZES" #endif -static int sizes[NUM_SIZES]={128,256,512,1024,2048,4096,8192}; -static int mul_c[NUM_SIZES]={8*8*8*8*8*8,8*8*8*8*8,8*8*8*8,8*8*8,8*8,8,1}; -/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */ +static int sizes[NUM_SIZES] = { 128, 256, 512, 1024, 2048, 4096, 8192 }; + +static int mul_c[NUM_SIZES] = + { 8 * 8 * 8 * 8 * 8 * 8, 8 * 8 * 8 * 8 * 8, 8 * 8 * 8 * 8, 8 * 8 * 8, + 8 * 8, 8, 1 +}; + +/* + * static int sizes[NUM_SIZES]={59,179,299,419,539}; + */ #define RAND_SEED(string) { const char str[] = string; RAND_seed(string, sizeof str); } -void do_mul_exp(BIGNUM *r,BIGNUM *a,BIGNUM *b,BIGNUM *c,BN_CTX *ctx); +void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx); int main(int argc, char **argv) - { - BN_CTX *ctx; - BIGNUM *a,*b,*c,*r; +{ + BN_CTX *ctx; + BIGNUM *a, *b, *c, *r; #if 1 - if (!CRYPTO_set_mem_debug_functions(0,0,0,0,0)) - abort(); + if (!CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0)) + abort(); #endif - ctx=BN_CTX_new(); - a=BN_new(); - b=BN_new(); - c=BN_new(); - r=BN_new(); + ctx = BN_CTX_new(); + a = BN_new(); + b = BN_new(); + c = BN_new(); + r = BN_new(); - while (!RAND_status()) - /* not enough bits */ - RAND_SEED("I demand a manual recount!"); + while (!RAND_status()) + /* not enough bits */ + RAND_SEED("I demand a manual recount!"); - do_mul_exp(r,a,b,c,ctx); - return 0; - } + do_mul_exp(r, a, b, c, ctx); + return 0; +} void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx) - { - int i,k; - double tm; - long num; - - num=BASENUM; - for (i=NUM_START; i<NUM_SIZES; i++) - { +{ + int i, k; + double tm; + long num; + + num = BASENUM; + for (i = NUM_START; i < NUM_SIZES; i++) { #ifdef C_PRIME -# ifdef TEST_SQRT - if (!BN_set_word(a, 64)) goto err; - if (!BN_set_word(b, P_MOD_64)) goto err; -# define ADD a -# define REM b -# else -# define ADD NULL -# define REM NULL -# endif - if (!BN_generate_prime(c,sizes[i],0,ADD,REM,genprime_cb,NULL)) goto err; - putc('\n', stderr); - fflush(stderr); +# ifdef TEST_SQRT + if (!BN_set_word(a, 64)) + goto err; + if (!BN_set_word(b, P_MOD_64)) + goto err; +# define ADD a +# define REM b +# else +# define ADD NULL +# define REM NULL +# endif + if (!BN_generate_prime(c, sizes[i], 0, ADD, REM, genprime_cb, NULL)) + goto err; + putc('\n', stderr); + fflush(stderr); #endif - for (k=0; k<num; k++) - { - if (k%50 == 0) /* Average over num/50 different choices of random numbers. */ - { - if (!BN_pseudo_rand(a,sizes[i],1,0)) goto err; + for (k = 0; k < num; k++) { + if (k % 50 == 0) { /* Average over num/50 different choices of + * random numbers. */ + if (!BN_pseudo_rand(a, sizes[i], 1, 0)) + goto err; - if (!BN_pseudo_rand(b,sizes[i],1,0)) goto err; + if (!BN_pseudo_rand(b, sizes[i], 1, 0)) + goto err; #ifndef C_PRIME - if (!BN_pseudo_rand(c,sizes[i],1,1)) goto err; + if (!BN_pseudo_rand(c, sizes[i], 1, 1)) + goto err; #endif -#ifdef TEST_SQRT - if (!BN_mod_sqr(a,a,c,ctx)) goto err; - if (!BN_mod_sqr(b,b,c,ctx)) goto err; +#ifdef TEST_SQRT + if (!BN_mod_sqr(a, a, c, ctx)) + goto err; + if (!BN_mod_sqr(b, b, c, ctx)) + goto err; #else - if (!BN_nnmod(a,a,c,ctx)) goto err; - if (!BN_nnmod(b,b,c,ctx)) goto err; + if (!BN_nnmod(a, a, c, ctx)) + goto err; + if (!BN_nnmod(b, b, c, ctx)) + goto err; #endif - if (k == 0) - Time_F(START); - } - + if (k == 0) + Time_F(START); + } #if defined(TEST_EXP) - if (!BN_mod_exp(r,a,b,c,ctx)) goto err; + if (!BN_mod_exp(r, a, b, c, ctx)) + goto err; #elif defined(TEST_MUL) - { - int i = 0; - for (i = 0; i < 50; i++) - if (!BN_mod_mul(r,a,b,c,ctx)) goto err; - } + { + int i = 0; + for (i = 0; i < 50; i++) + if (!BN_mod_mul(r, a, b, c, ctx)) + goto err; + } #elif defined(TEST_SQR) - { - int i = 0; - for (i = 0; i < 50; i++) - { - if (!BN_mod_sqr(r,a,c,ctx)) goto err; - if (!BN_mod_sqr(r,b,c,ctx)) goto err; - } - } + { + int i = 0; + for (i = 0; i < 50; i++) { + if (!BN_mod_sqr(r, a, c, ctx)) + goto err; + if (!BN_mod_sqr(r, b, c, ctx)) + goto err; + } + } #elif defined(TEST_GCD) - if (!BN_gcd(r,a,b,ctx)) goto err; - if (!BN_gcd(r,b,c,ctx)) goto err; - if (!BN_gcd(r,c,a,ctx)) goto err; + if (!BN_gcd(r, a, b, ctx)) + goto err; + if (!BN_gcd(r, b, c, ctx)) + goto err; + if (!BN_gcd(r, c, a, ctx)) + goto err; #elif defined(TEST_KRON) - if (-2 == BN_kronecker(a,b,ctx)) goto err; - if (-2 == BN_kronecker(b,c,ctx)) goto err; - if (-2 == BN_kronecker(c,a,ctx)) goto err; + if (-2 == BN_kronecker(a, b, ctx)) + goto err; + if (-2 == BN_kronecker(b, c, ctx)) + goto err; + if (-2 == BN_kronecker(c, a, ctx)) + goto err; #elif defined(TEST_INV) - if (!BN_mod_inverse(r,a,c,ctx)) goto err; - if (!BN_mod_inverse(r,b,c,ctx)) goto err; -#else /* TEST_SQRT */ - if (!BN_mod_sqrt(r,a,c,ctx)) goto err; - if (!BN_mod_sqrt(r,b,c,ctx)) goto err; + if (!BN_mod_inverse(r, a, c, ctx)) + goto err; + if (!BN_mod_inverse(r, b, c, ctx)) + goto err; +#else /* TEST_SQRT */ + if (!BN_mod_sqrt(r, a, c, ctx)) + goto err; + if (!BN_mod_sqrt(r, b, c, ctx)) + goto err; #endif - } - tm=Time_F(STOP); - printf( + } + tm = Time_F(STOP); + printf( #if defined(TEST_EXP) - "modexp %4d ^ %4d %% %4d" + "modexp %4d ^ %4d %% %4d" #elif defined(TEST_MUL) - "50*modmul %4d %4d %4d" + "50*modmul %4d %4d %4d" #elif defined(TEST_SQR) - "100*modsqr %4d %4d %4d" + "100*modsqr %4d %4d %4d" #elif defined(TEST_GCD) - "3*gcd %4d %4d %4d" + "3*gcd %4d %4d %4d" #elif defined(TEST_KRON) - "3*kronecker %4d %4d %4d" + "3*kronecker %4d %4d %4d" #elif defined(TEST_INV) - "2*inv %4d %4d mod %4d" -#else /* TEST_SQRT */ - "2*sqrt [prime == %d (mod 64)] %4d %4d mod %4d" + "2*inv %4d %4d mod %4d" +#else /* TEST_SQRT */ + "2*sqrt [prime == %d (mod 64)] %4d %4d mod %4d" #endif - " -> %8.6fms %5.1f (%ld)\n", + " -> %8.6fms %5.1f (%ld)\n", #ifdef TEST_SQRT - P_MOD_64, + P_MOD_64, #endif - sizes[i],sizes[i],sizes[i],tm*1000.0/num,tm*mul_c[i]/num, num); - num/=7; - if (num <= 0) num=1; - } - return; + sizes[i], sizes[i], sizes[i], tm * 1000.0 / num, + tm * mul_c[i] / num, num); + num /= 7; + if (num <= 0) + num = 1; + } + return; err: - ERR_print_errors_fp(stderr); - } - + ERR_print_errors_fp(stderr); +} #ifdef C_PRIME static void genprime_cb(int p, int n, void *arg) - { - char c='*'; - - if (p == 0) c='.'; - if (p == 1) c='+'; - if (p == 2) c='*'; - if (p == 3) c='\n'; - putc(c, stderr); - fflush(stderr); - (void)n; - (void)arg; - } +{ + char c = '*'; + + if (p == 0) + c = '.'; + if (p == 1) + c = '+'; + if (p == 2) + c = '*'; + if (p == 3) + c = '\n'; + putc(c, stderr); + fflush(stderr); + (void)n; + (void)arg; +} #endif |