Mercurial > dropbear
diff libtommath/demo/demo.c @ 1436:60fc6476e044
Update to libtommath v1.0
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sat, 24 Jun 2017 22:37:14 +0800 |
| parents | 5ff8218bcee9 |
| children | 8bba51a55704 |
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--- a/libtommath/demo/demo.c Sat Jun 24 17:50:50 2017 +0800 +++ b/libtommath/demo/demo.c Sat Jun 24 22:37:14 2017 +0800 @@ -1,3 +1,4 @@ +#include <string.h> #include <time.h> #ifdef IOWNANATHLON @@ -7,6 +8,28 @@ #define SLEEP #endif +/* + * Configuration + */ +#ifndef LTM_DEMO_TEST_VS_MTEST +#define LTM_DEMO_TEST_VS_MTEST 1 +#endif + +#ifndef LTM_DEMO_TEST_REDUCE_2K_L +/* This test takes a moment so we disable it by default, but it can be: + * 0 to disable testing + * 1 to make the test with P = 2^1024 - 0x2A434 B9FDEC95 D8F9D550 FFFFFFFF FFFFFFFF + * 2 to make the test with P = 2^2048 - 0x1 00000000 00000000 00000000 00000000 4945DDBF 8EA2A91D 5776399B B83E188F + */ +#define LTM_DEMO_TEST_REDUCE_2K_L 0 +#endif + +#ifdef LTM_DEMO_REAL_RAND +#define LTM_DEMO_RAND_SEED time(NULL) +#else +#define LTM_DEMO_RAND_SEED 23 +#endif + #include "tommath.h" void ndraw(mp_int * a, char *name) @@ -16,12 +39,16 @@ printf("%s: ", name); mp_toradix(a, buf, 10); printf("%s\n", buf); + mp_toradix(a, buf, 16); + printf("0x%s\n", buf); } +#if LTM_DEMO_TEST_VS_MTEST static void draw(mp_int * a) { ndraw(a, ""); } +#endif unsigned long lfsr = 0xAAAAAAAAUL; @@ -37,42 +64,360 @@ } } +#if defined(LTM_DEMO_REAL_RAND) && !defined(_WIN32) +static FILE* fd_urandom; +#endif int myrng(unsigned char *dst, int len, void *dat) { int x; - - for (x = 0; x < len; x++) - dst[x] = rand() & 0xFF; + (void)dat; +#if defined(LTM_DEMO_REAL_RAND) + if (!fd_urandom) { +#if !defined(_WIN32) + fprintf(stderr, "\nno /dev/urandom\n"); +#endif + } + else { + return fread(dst, 1, len, fd_urandom); + } +#endif + for (x = 0; x < len; ) { + unsigned int r = (unsigned int)rand(); + do { + dst[x++] = r & 0xFF; + r >>= 8; + } while((r != 0) && (x < len)); + } return len; } +#if LTM_DEMO_TEST_VS_MTEST != 0 +static void _panic(int l) +{ + fprintf(stderr, "\n%d: fgets failed\n", l); + exit(EXIT_FAILURE); +} +#endif +mp_int a, b, c, d, e, f; + +static void _cleanup(void) +{ + mp_clear_multi(&a, &b, &c, &d, &e, &f, NULL); + printf("\n"); + +#ifdef LTM_DEMO_REAL_RAND + if(fd_urandom) + fclose(fd_urandom); +#endif +} +struct mp_sqrtmod_prime_st { + unsigned long p; + unsigned long n; + mp_digit r; +}; +struct mp_sqrtmod_prime_st sqrtmod_prime[] = { + { 5, 14, 3 }, + { 7, 9, 4 }, + { 113, 2, 62 } +}; +struct mp_jacobi_st { + unsigned long n; + int c[16]; +}; +struct mp_jacobi_st jacobi[] = { + { 3, { 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1 } }, + { 5, { 0, 1, -1, -1, 1, 0, 1, -1, -1, 1, 0, 1, -1, -1, 1, 0 } }, + { 7, { 1, -1, 1, -1, -1, 0, 1, 1, -1, 1, -1, -1, 0, 1, 1, -1 } }, + { 9, { -1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 } }, +}; char cmd[4096], buf[4096]; int main(void) { - mp_int a, b, c, d, e, f; + unsigned rr; + int cnt, ix; +#if LTM_DEMO_TEST_VS_MTEST unsigned long expt_n, add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n, - gcd_n, lcm_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n, t; - unsigned rr; - int i, n, err, cnt, ix, old_kara_m, old_kara_s; + gcd_n, lcm_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n; + char* ret; +#else + unsigned long s, t; + unsigned long long q, r; mp_digit mp; + int i, n, err, should; +#endif + + if (mp_init_multi(&a, &b, &c, &d, &e, &f, NULL)!= MP_OKAY) + return EXIT_FAILURE; + + atexit(_cleanup); + +#if defined(LTM_DEMO_REAL_RAND) + if (!fd_urandom) { + fd_urandom = fopen("/dev/urandom", "r"); + if (!fd_urandom) { +#if !defined(_WIN32) + fprintf(stderr, "\ncould not open /dev/urandom\n"); +#endif + } + } +#endif + srand(LTM_DEMO_RAND_SEED); + +#ifdef MP_8BIT + printf("Digit size 8 Bit \n"); +#endif +#ifdef MP_16BIT + printf("Digit size 16 Bit \n"); +#endif +#ifdef MP_32BIT + printf("Digit size 32 Bit \n"); +#endif +#ifdef MP_64BIT + printf("Digit size 64 Bit \n"); +#endif + printf("Size of mp_digit: %u\n", (unsigned int)sizeof(mp_digit)); + printf("Size of mp_word: %u\n", (unsigned int)sizeof(mp_word)); + printf("DIGIT_BIT: %d\n", DIGIT_BIT); + printf("MP_PREC: %d\n", MP_PREC); + +#if LTM_DEMO_TEST_VS_MTEST == 0 + // trivial stuff + mp_set_int(&a, 5); + mp_neg(&a, &b); + if (mp_cmp(&a, &b) != MP_GT) { + return EXIT_FAILURE; + } + if (mp_cmp(&b, &a) != MP_LT) { + return EXIT_FAILURE; + } + mp_neg(&a, &a); + if (mp_cmp(&b, &a) != MP_EQ) { + return EXIT_FAILURE; + } + mp_abs(&a, &b); + if (mp_isneg(&b) != MP_NO) { + return EXIT_FAILURE; + } + mp_add_d(&a, 1, &b); + mp_add_d(&a, 6, &b); - mp_init(&a); - mp_init(&b); - mp_init(&c); - mp_init(&d); - mp_init(&e); - mp_init(&f); + mp_set_int(&a, 0); + mp_set_int(&b, 1); + if ((err = mp_jacobi(&a, &b, &i)) != MP_OKAY) { + printf("Failed executing mp_jacobi(0 | 1) %s.\n", mp_error_to_string(err)); + return EXIT_FAILURE; + } + if (i != 1) { + printf("Failed trivial mp_jacobi(0 | 1) %d != 1\n", i); + return EXIT_FAILURE; + } + for (cnt = 0; cnt < (int)(sizeof(jacobi)/sizeof(jacobi[0])); ++cnt) { + mp_set_int(&b, jacobi[cnt].n); + /* only test positive values of a */ + for (n = -5; n <= 10; ++n) { + mp_set_int(&a, abs(n)); + should = MP_OKAY; + if (n < 0) { + mp_neg(&a, &a); + /* Until #44 is fixed the negative a's must fail */ + should = MP_VAL; + } + if ((err = mp_jacobi(&a, &b, &i)) != should) { + printf("Failed executing mp_jacobi(%d | %lu) %s.\n", n, jacobi[cnt].n, mp_error_to_string(err)); + return EXIT_FAILURE; + } + if (err == MP_OKAY && i != jacobi[cnt].c[n + 5]) { + printf("Failed trivial mp_jacobi(%d | %lu) %d != %d\n", n, jacobi[cnt].n, i, jacobi[cnt].c[n + 5]); + return EXIT_FAILURE; + } + } + } + + // test mp_get_int + printf("\n\nTesting: mp_get_int"); + for (i = 0; i < 1000; ++i) { + t = ((unsigned long) rand () * rand () + 1) & 0xFFFFFFFF; + mp_set_int (&a, t); + if (t != mp_get_int (&a)) { + printf ("\nmp_get_int() bad result!"); + return EXIT_FAILURE; + } + } + mp_set_int(&a, 0); + if (mp_get_int(&a) != 0) { + printf("\nmp_get_int() bad result!"); + return EXIT_FAILURE; + } + mp_set_int(&a, 0xffffffff); + if (mp_get_int(&a) != 0xffffffff) { + printf("\nmp_get_int() bad result!"); + return EXIT_FAILURE; + } + + printf("\n\nTesting: mp_get_long\n"); + for (i = 0; i < (int)(sizeof(unsigned long)*CHAR_BIT) - 1; ++i) { + t = (1ULL << (i+1)) - 1; + if (!t) + t = -1; + printf(" t = 0x%lx i = %d\r", t, i); + do { + if (mp_set_long(&a, t) != MP_OKAY) { + printf("\nmp_set_long() error!"); + return EXIT_FAILURE; + } + s = mp_get_long(&a); + if (s != t) { + printf("\nmp_get_long() bad result! 0x%lx != 0x%lx", s, t); + return EXIT_FAILURE; + } + t <<= 1; + } while(t); + } + + printf("\n\nTesting: mp_get_long_long\n"); + for (i = 0; i < (int)(sizeof(unsigned long long)*CHAR_BIT) - 1; ++i) { + r = (1ULL << (i+1)) - 1; + if (!r) + r = -1; + printf(" r = 0x%llx i = %d\r", r, i); + do { + if (mp_set_long_long(&a, r) != MP_OKAY) { + printf("\nmp_set_long_long() error!"); + return EXIT_FAILURE; + } + q = mp_get_long_long(&a); + if (q != r) { + printf("\nmp_get_long_long() bad result! 0x%llx != 0x%llx", q, r); + return EXIT_FAILURE; + } + r <<= 1; + } while(r); + } - srand(time(NULL)); + // test mp_sqrt + printf("\n\nTesting: mp_sqrt\n"); + for (i = 0; i < 1000; ++i) { + printf ("%6d\r", i); + fflush (stdout); + n = (rand () & 15) + 1; + mp_rand (&a, n); + if (mp_sqrt (&a, &b) != MP_OKAY) { + printf ("\nmp_sqrt() error!"); + return EXIT_FAILURE; + } + mp_n_root_ex (&a, 2, &c, 0); + mp_n_root_ex (&a, 2, &d, 1); + if (mp_cmp_mag (&c, &d) != MP_EQ) { + printf ("\nmp_n_root_ex() bad result!"); + return EXIT_FAILURE; + } + if (mp_cmp_mag (&b, &c) != MP_EQ) { + printf ("mp_sqrt() bad result!\n"); + return EXIT_FAILURE; + } + } + + printf("\n\nTesting: mp_is_square\n"); + for (i = 0; i < 1000; ++i) { + printf ("%6d\r", i); + fflush (stdout); + + /* test mp_is_square false negatives */ + n = (rand () & 7) + 1; + mp_rand (&a, n); + mp_sqr (&a, &a); + if (mp_is_square (&a, &n) != MP_OKAY) { + printf ("\nfn:mp_is_square() error!"); + return EXIT_FAILURE; + } + if (n == 0) { + printf ("\nfn:mp_is_square() bad result!"); + return EXIT_FAILURE; + } + + /* test for false positives */ + mp_add_d (&a, 1, &a); + if (mp_is_square (&a, &n) != MP_OKAY) { + printf ("\nfp:mp_is_square() error!"); + return EXIT_FAILURE; + } + if (n == 1) { + printf ("\nfp:mp_is_square() bad result!"); + return EXIT_FAILURE; + } + + } + printf("\n\n"); -#if 0 - // test montgomery - printf("Testing montgomery...\n"); - for (i = 1; i < 10; i++) { - printf("Testing digit size: %d\n", i); + // r^2 = n (mod p) + for (i = 0; i < (int)(sizeof(sqrtmod_prime)/sizeof(sqrtmod_prime[0])); ++i) { + mp_set_int(&a, sqrtmod_prime[i].p); + mp_set_int(&b, sqrtmod_prime[i].n); + if (mp_sqrtmod_prime(&b, &a, &c) != MP_OKAY) { + printf("Failed executing %d. mp_sqrtmod_prime\n", (i+1)); + return EXIT_FAILURE; + } + if (mp_cmp_d(&c, sqrtmod_prime[i].r) != MP_EQ) { + printf("Failed %d. trivial mp_sqrtmod_prime\n", (i+1)); + ndraw(&c, "r"); + return EXIT_FAILURE; + } + } + + /* test for size */ + for (ix = 10; ix < 128; ix++) { + printf ("Testing (not safe-prime): %9d bits \r", ix); + fflush (stdout); + err = mp_prime_random_ex (&a, 8, ix, + (rand () & 1) ? 0 : LTM_PRIME_2MSB_ON, myrng, + NULL); + if (err != MP_OKAY) { + printf ("failed with err code %d\n", err); + return EXIT_FAILURE; + } + if (mp_count_bits (&a) != ix) { + printf ("Prime is %d not %d bits!!!\n", mp_count_bits (&a), ix); + return EXIT_FAILURE; + } + } + printf("\n"); + + for (ix = 16; ix < 128; ix++) { + printf ("Testing ( safe-prime): %9d bits \r", ix); + fflush (stdout); + err = mp_prime_random_ex ( + &a, 8, ix, ((rand () & 1) ? 0 : LTM_PRIME_2MSB_ON) | LTM_PRIME_SAFE, + myrng, NULL); + if (err != MP_OKAY) { + printf ("failed with err code %d\n", err); + return EXIT_FAILURE; + } + if (mp_count_bits (&a) != ix) { + printf ("Prime is %d not %d bits!!!\n", mp_count_bits (&a), ix); + return EXIT_FAILURE; + } + /* let's see if it's really a safe prime */ + mp_sub_d (&a, 1, &a); + mp_div_2 (&a, &a); + mp_prime_is_prime (&a, 8, &cnt); + if (cnt != MP_YES) { + printf ("sub is not prime!\n"); + return EXIT_FAILURE; + } + } + + printf("\n\n"); + + // test montgomery + printf("Testing: montgomery...\n"); + for (i = 1; i <= 10; i++) { + if (i == 10) + i = 1000; + printf(" digit size: %2d\r", i); + fflush(stdout); for (n = 0; n < 1000; n++) { mp_rand(&a, i); a.dp[0] |= 1; @@ -81,7 +426,7 @@ mp_montgomery_calc_normalization(&b, &a); mp_montgomery_setup(&a, &mp); - // now test a random reduction + // now test a random reduction for (ix = 0; ix < 100; ix++) { mp_rand(&c, 1 + abs(rand()) % (2*i)); mp_copy(&c, &d); @@ -91,131 +436,22 @@ mp_montgomery_reduce(&c, &a, mp); mp_mulmod(&c, &b, &a, &c); - if (mp_cmp(&c, &d) != MP_EQ) { + if (mp_cmp(&c, &d) != MP_EQ) { printf("d = e mod a, c = e MOD a\n"); mp_todecimal(&a, buf); printf("a = %s\n", buf); mp_todecimal(&e, buf); printf("e = %s\n", buf); mp_todecimal(&d, buf); printf("d = %s\n", buf); mp_todecimal(&c, buf); printf("c = %s\n", buf); -printf("compare no compare!\n"); exit(EXIT_FAILURE); } +printf("compare no compare!\n"); return EXIT_FAILURE; } + /* only one big montgomery reduction */ + if (i > 10) + { + n = 1000; + ix = 100; + } } } } - printf("done\n"); - - // test mp_get_int - printf("Testing: mp_get_int\n"); - for (i = 0; i < 1000; ++i) { - t = ((unsigned long) rand() * rand() + 1) & 0xFFFFFFFF; - mp_set_int(&a, t); - if (t != mp_get_int(&a)) { - printf("mp_get_int() bad result!\n"); - return 1; - } - } - mp_set_int(&a, 0); - if (mp_get_int(&a) != 0) { - printf("mp_get_int() bad result!\n"); - return 1; - } - mp_set_int(&a, 0xffffffff); - if (mp_get_int(&a) != 0xffffffff) { - printf("mp_get_int() bad result!\n"); - return 1; - } - // test mp_sqrt - printf("Testing: mp_sqrt\n"); - for (i = 0; i < 1000; ++i) { - printf("%6d\r", i); - fflush(stdout); - n = (rand() & 15) + 1; - mp_rand(&a, n); - if (mp_sqrt(&a, &b) != MP_OKAY) { - printf("mp_sqrt() error!\n"); - return 1; - } - mp_n_root(&a, 2, &a); - if (mp_cmp_mag(&b, &a) != MP_EQ) { - printf("mp_sqrt() bad result!\n"); - return 1; - } - } - - printf("\nTesting: mp_is_square\n"); - for (i = 0; i < 1000; ++i) { - printf("%6d\r", i); - fflush(stdout); - - /* test mp_is_square false negatives */ - n = (rand() & 7) + 1; - mp_rand(&a, n); - mp_sqr(&a, &a); - if (mp_is_square(&a, &n) != MP_OKAY) { - printf("fn:mp_is_square() error!\n"); - return 1; - } - if (n == 0) { - printf("fn:mp_is_square() bad result!\n"); - return 1; - } - - /* test for false positives */ - mp_add_d(&a, 1, &a); - if (mp_is_square(&a, &n) != MP_OKAY) { - printf("fp:mp_is_square() error!\n"); - return 1; - } - if (n == 1) { - printf("fp:mp_is_square() bad result!\n"); - return 1; - } - - } - printf("\n\n"); - - /* test for size */ - for (ix = 10; ix < 128; ix++) { - printf("Testing (not safe-prime): %9d bits \r", ix); - fflush(stdout); - err = - mp_prime_random_ex(&a, 8, ix, - (rand() & 1) ? LTM_PRIME_2MSB_OFF : - LTM_PRIME_2MSB_ON, myrng, NULL); - if (err != MP_OKAY) { - printf("failed with err code %d\n", err); - return EXIT_FAILURE; - } - if (mp_count_bits(&a) != ix) { - printf("Prime is %d not %d bits!!!\n", mp_count_bits(&a), ix); - return EXIT_FAILURE; - } - } - - for (ix = 16; ix < 128; ix++) { - printf("Testing ( safe-prime): %9d bits \r", ix); - fflush(stdout); - err = - mp_prime_random_ex(&a, 8, ix, - ((rand() & 1) ? LTM_PRIME_2MSB_OFF : - LTM_PRIME_2MSB_ON) | LTM_PRIME_SAFE, myrng, - NULL); - if (err != MP_OKAY) { - printf("failed with err code %d\n", err); - return EXIT_FAILURE; - } - if (mp_count_bits(&a) != ix) { - printf("Prime is %d not %d bits!!!\n", mp_count_bits(&a), ix); - return EXIT_FAILURE; - } - /* let's see if it's really a safe prime */ - mp_sub_d(&a, 1, &a); - mp_div_2(&a, &a); - mp_prime_is_prime(&a, 8, &cnt); - if (cnt != MP_YES) { - printf("sub is not prime!\n"); - return EXIT_FAILURE; - } - } printf("\n\n"); @@ -239,120 +475,123 @@ #endif /* test mp_cnt_lsb */ - printf("testing mp_cnt_lsb...\n"); + printf("\n\nTesting: mp_cnt_lsb"); mp_set(&a, 1); for (ix = 0; ix < 1024; ix++) { - if (mp_cnt_lsb(&a) != ix) { - printf("Failed at %d, %d\n", ix, mp_cnt_lsb(&a)); - return 0; + if (mp_cnt_lsb (&a) != ix) { + printf ("Failed at %d, %d\n", ix, mp_cnt_lsb (&a)); + return EXIT_FAILURE; } - mp_mul_2(&a, &a); + mp_mul_2 (&a, &a); } /* test mp_reduce_2k */ - printf("Testing mp_reduce_2k...\n"); + printf("\n\nTesting: mp_reduce_2k\n"); for (cnt = 3; cnt <= 128; ++cnt) { mp_digit tmp; - mp_2expt(&a, cnt); - mp_sub_d(&a, 2, &a); /* a = 2**cnt - 2 */ - + mp_2expt (&a, cnt); + mp_sub_d (&a, 2, &a); /* a = 2**cnt - 2 */ - printf("\nTesting %4d bits", cnt); - printf("(%d)", mp_reduce_is_2k(&a)); - mp_reduce_2k_setup(&a, &tmp); - printf("(%d)", tmp); + printf ("\r %4d bits", cnt); + printf ("(%d)", mp_reduce_is_2k (&a)); + mp_reduce_2k_setup (&a, &tmp); + printf ("(%lu)", (unsigned long) tmp); for (ix = 0; ix < 1000; ix++) { - if (!(ix & 127)) { - printf("."); - fflush(stdout); - } - mp_rand(&b, (cnt / DIGIT_BIT + 1) * 2); - mp_copy(&c, &b); - mp_mod(&c, &a, &c); - mp_reduce_2k(&b, &a, 2); - if (mp_cmp(&c, &b)) { - printf("FAILED\n"); - exit(0); - } + if (!(ix & 127)) { + printf ("."); + fflush (stdout); + } + mp_rand (&b, (cnt / DIGIT_BIT + 1) * 2); + mp_copy (&c, &b); + mp_mod (&c, &a, &c); + mp_reduce_2k (&b, &a, 2); + if (mp_cmp (&c, &b)) { + printf ("FAILED\n"); + return EXIT_FAILURE; + } } } /* test mp_div_3 */ - printf("Testing mp_div_3...\n"); + printf("\n\nTesting: mp_div_3...\n"); mp_set(&d, 3); for (cnt = 0; cnt < 10000;) { - mp_digit r1, r2; + mp_digit r2; if (!(++cnt & 127)) - printf("%9d\r", cnt); + { + printf("%9d\r", cnt); + fflush(stdout); + } mp_rand(&a, abs(rand()) % 128 + 1); mp_div(&a, &d, &b, &e); mp_div_3(&a, &c, &r2); if (mp_cmp(&b, &c) || mp_cmp_d(&e, r2)) { - printf("\n\nmp_div_3 => Failure\n"); + printf("\nmp_div_3 => Failure\n"); } } - printf("\n\nPassed div_3 testing\n"); + printf("\nPassed div_3 testing"); /* test the DR reduction */ - printf("testing mp_dr_reduce...\n"); + printf("\n\nTesting: mp_dr_reduce...\n"); for (cnt = 2; cnt < 32; cnt++) { - printf("%d digit modulus\n", cnt); - mp_grow(&a, cnt); - mp_zero(&a); + printf ("\r%d digit modulus", cnt); + mp_grow (&a, cnt); + mp_zero (&a); for (ix = 1; ix < cnt; ix++) { - a.dp[ix] = MP_MASK; + a.dp[ix] = MP_MASK; } a.used = cnt; a.dp[0] = 3; - mp_rand(&b, cnt - 1); - mp_copy(&b, &c); + mp_rand (&b, cnt - 1); + mp_copy (&b, &c); rr = 0; do { - if (!(rr & 127)) { - printf("%9lu\r", rr); - fflush(stdout); - } - mp_sqr(&b, &b); - mp_add_d(&b, 1, &b); - mp_copy(&b, &c); + if (!(rr & 127)) { + printf ("."); + fflush (stdout); + } + mp_sqr (&b, &b); + mp_add_d (&b, 1, &b); + mp_copy (&b, &c); - mp_mod(&b, &a, &b); - mp_dr_reduce(&c, &a, (((mp_digit) 1) << DIGIT_BIT) - a.dp[0]); + mp_mod (&b, &a, &b); + mp_dr_setup(&a, &mp), + mp_dr_reduce (&c, &a, mp); - if (mp_cmp(&b, &c) != MP_EQ) { - printf("Failed on trial %lu\n", rr); - exit(-1); - - } + if (mp_cmp (&b, &c) != MP_EQ) { + printf ("Failed on trial %u\n", rr); + return EXIT_FAILURE; + } } while (++rr < 500); - printf("Passed DR test for %d digits\n", cnt); + printf (" passed"); + fflush (stdout); } -#endif - +#if LTM_DEMO_TEST_REDUCE_2K_L /* test the mp_reduce_2k_l code */ -#if 0 -#if 0 +#if LTM_DEMO_TEST_REDUCE_2K_L == 1 /* first load P with 2^1024 - 0x2A434 B9FDEC95 D8F9D550 FFFFFFFF FFFFFFFF */ mp_2expt(&a, 1024); mp_read_radix(&b, "2A434B9FDEC95D8F9D550FFFFFFFFFFFFFFFF", 16); mp_sub(&a, &b, &a); -#elif 1 +#elif LTM_DEMO_TEST_REDUCE_2K_L == 2 /* p = 2^2048 - 0x1 00000000 00000000 00000000 00000000 4945DDBF 8EA2A91D 5776399B B83E188F */ mp_2expt(&a, 2048); mp_read_radix(&b, "1000000000000000000000000000000004945DDBF8EA2A91D5776399BB83E188F", 16); mp_sub(&a, &b, &a); +#else +#error oops #endif mp_todecimal(&a, buf); - printf("p==%s\n", buf); + printf("\n\np==%s\n", buf); /* now mp_reduce_is_2k_l() should return */ if (mp_reduce_is_2k_l(&a) != 1) { printf("mp_reduce_is_2k_l() return 0, should be 1\n"); @@ -363,9 +602,9 @@ mp_rand(&b, 64); mp_mod(&b, &a, &b); mp_copy(&b, &c); - printf("testing mp_reduce_2k_l..."); + printf("Testing: mp_reduce_2k_l..."); fflush(stdout); - for (cnt = 0; cnt < (1UL << 20); cnt++) { + for (cnt = 0; cnt < (int)(1UL << 20); cnt++) { mp_sqr(&b, &b); mp_add_d(&b, 1, &b); mp_reduce_2k_l(&b, &a, &d); @@ -373,7 +612,7 @@ mp_add_d(&c, 1, &c); mp_mod(&c, &a, &c); if (mp_cmp(&b, &c) != MP_EQ) { - printf("mp_reduce_2k_l() failed at step %lu\n", cnt); + printf("mp_reduce_2k_l() failed at step %d\n", cnt); mp_tohex(&b, buf); printf("b == %s\n", buf); mp_tohex(&c, buf); @@ -382,7 +621,9 @@ } } printf("...Passed\n"); -#endif +#endif /* LTM_DEMO_TEST_REDUCE_2K_L */ + +#else div2_n = mul2_n = inv_n = expt_n = lcm_n = gcd_n = add_n = sub_n = mul_n = div_n = sqr_n = mul2d_n = div2d_n = cnt = add_d_n = @@ -428,17 +669,17 @@ ("%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu ", add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n, gcd_n, lcm_n, expt_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n); - fgets(cmd, 4095, stdin); + ret=fgets(cmd, 4095, stdin); if(!ret){_panic(__LINE__);} cmd[strlen(cmd) - 1] = 0; - printf("%s ]\r", cmd); + printf("%-6s ]\r", cmd); fflush(stdout); if (!strcmp(cmd, "mul2d")) { ++mul2d_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} sscanf(buf, "%d", &rr); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_mul_2d(&a, rr, &a); @@ -447,15 +688,15 @@ printf("mul2d failed, rr == %d\n", rr); draw(&a); draw(&b); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "div2d")) { ++div2d_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} sscanf(buf, "%d", &rr); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_div_2d(&a, rr, &a, &e); @@ -467,15 +708,15 @@ printf("div2d failed, rr == %d\n", rr); draw(&a); draw(&b); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "add")) { ++add_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); mp_copy(&a, &d); mp_add(&d, &b, &d); @@ -485,7 +726,7 @@ draw(&b); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } /* test the sign/unsigned storage functions */ @@ -498,7 +739,7 @@ printf("mp_signed_bin failure!\n"); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } @@ -510,16 +751,16 @@ printf("mp_unsigned_bin failure!\n"); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "sub")) { ++sub_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); mp_copy(&a, &d); mp_sub(&d, &b, &d); @@ -529,15 +770,15 @@ draw(&b); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "mul")) { ++mul_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); mp_copy(&a, &d); mp_mul(&d, &b, &d); @@ -547,17 +788,17 @@ draw(&b); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "div")) { ++div_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&d, buf, 64); mp_div(&a, &b, &e, &f); @@ -570,14 +811,14 @@ draw(&d); draw(&e); draw(&f); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "sqr")) { ++sqr_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_copy(&a, &c); mp_sqr(&c, &c); @@ -586,15 +827,15 @@ draw(&a); draw(&b); draw(&c); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "gcd")) { ++gcd_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); mp_copy(&a, &d); mp_gcd(&d, &b, &d); @@ -605,15 +846,15 @@ draw(&b); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "lcm")) { ++lcm_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); mp_copy(&a, &d); mp_lcm(&d, &b, &d); @@ -624,17 +865,17 @@ draw(&b); draw(&c); draw(&d); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "expt")) { ++expt_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&d, buf, 64); mp_copy(&a, &e); mp_exptmod(&e, &b, &c, &e); @@ -645,15 +886,15 @@ draw(&c); draw(&d); draw(&e); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "invmod")) { ++inv_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&c, buf, 64); mp_invmod(&a, &b, &d); mp_mulmod(&d, &a, &b, &e); @@ -663,16 +904,17 @@ draw(&b); draw(&c); draw(&d); + draw(&e); mp_gcd(&a, &b, &e); draw(&e); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "div2")) { ++div2_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_div_2(&a, &c); if (mp_cmp(&c, &b) != MP_EQ) { @@ -680,13 +922,13 @@ draw(&a); draw(&b); draw(&c); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "mul2")) { ++mul2_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_mul_2(&a, &c); if (mp_cmp(&c, &b) != MP_EQ) { @@ -694,15 +936,15 @@ draw(&a); draw(&b); draw(&c); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "add_d")) { ++add_d_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} sscanf(buf, "%d", &ix); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_add_d(&a, ix, &c); if (mp_cmp(&b, &c) != MP_EQ) { @@ -711,15 +953,15 @@ draw(&b); draw(&c); printf("d == %d\n", ix); - return 0; + return EXIT_FAILURE; } } else if (!strcmp(cmd, "sub_d")) { ++sub_d_n; - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&a, buf, 64); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} sscanf(buf, "%d", &ix); - fgets(buf, 4095, stdin); + ret=fgets(buf, 4095, stdin); if(!ret){_panic(__LINE__);} mp_read_radix(&b, buf, 64); mp_sub_d(&a, ix, &c); if (mp_cmp(&b, &c) != MP_EQ) { @@ -728,13 +970,17 @@ draw(&b); draw(&c); printf("d == %d\n", ix); - return 0; + return EXIT_FAILURE; } + } else if (!strcmp(cmd, "exit")) { + printf("\nokay, exiting now\n"); + break; } } +#endif return 0; } -/* $Source: /cvs/libtom/libtommath/demo/demo.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/06/24 11:32:07 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */