387 lines
11 KiB
C
387 lines
11 KiB
C
#include "shared.h"
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static void draw(mp_int *a)
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{
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ndraw(a, "");
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}
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#define FGETS(str, size, stream) \
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{ \
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char *ret = fgets(str, size, stream); \
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if (!ret) { fprintf(stderr, "\n%d: fgets failed\n", __LINE__); goto LBL_ERR; } \
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}
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int mtest_opponent(void)
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{
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char cmd[4096];
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char buf[4096];
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int ix;
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unsigned rr;
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mp_int a, b, c, d, e, f;
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unsigned long expt_n, add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n,
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gcd_n, lcm_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n;
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if (mp_init_multi(&a, &b, &c, &d, &e, &f, NULL)!= MP_OKAY)
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return EXIT_FAILURE;
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div2_n = mul2_n = inv_n = expt_n = lcm_n = gcd_n = add_n =
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sub_n = mul_n = div_n = sqr_n = mul2d_n = div2d_n = add_d_n = sub_d_n = 0;
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/* force KARA and TOOM to enable despite cutoffs */
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KARATSUBA_SQR_CUTOFF = KARATSUBA_MUL_CUTOFF = 8;
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TOOM_SQR_CUTOFF = TOOM_MUL_CUTOFF = 16;
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for (;;) {
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/* randomly clear and re-init one variable, this has the affect of triming the alloc space */
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switch (abs(rand()) % 7) {
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case 0:
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mp_clear(&a);
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mp_init(&a);
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break;
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case 1:
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mp_clear(&b);
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mp_init(&b);
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break;
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case 2:
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mp_clear(&c);
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mp_init(&c);
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break;
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case 3:
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mp_clear(&d);
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mp_init(&d);
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break;
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case 4:
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mp_clear(&e);
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mp_init(&e);
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break;
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case 5:
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mp_clear(&f);
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mp_init(&f);
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break;
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case 6:
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break; /* don't clear any */
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}
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printf("%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu ",
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add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n, gcd_n, lcm_n,
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expt_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n);
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FGETS(cmd, 4095, stdin);
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cmd[strlen(cmd) - 1u] = '\0';
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printf("%-6s ]\r", cmd);
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fflush(stdout);
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if (strcmp(cmd, "mul2d") == 0) {
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++mul2d_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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sscanf(buf, "%u", &rr);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_mul_2d(&a, rr, &a);
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a.sign = b.sign;
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if (mp_cmp(&a, &b) != MP_EQ) {
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printf("mul2d failed, rr == %u\n", rr);
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draw(&a);
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draw(&b);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "div2d") == 0) {
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++div2d_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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sscanf(buf, "%u", &rr);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_div_2d(&a, rr, &a, &e);
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a.sign = b.sign;
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if ((a.used == b.used) && (a.used == 0)) {
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a.sign = b.sign = MP_ZPOS;
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}
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if (mp_cmp(&a, &b) != MP_EQ) {
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printf("div2d failed, rr == %u\n", rr);
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draw(&a);
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draw(&b);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "add") == 0) {
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++add_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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mp_copy(&a, &d);
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mp_add(&d, &b, &d);
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if (mp_cmp(&c, &d) != MP_EQ) {
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printf("add %lu failure!\n", add_n);
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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/* test the sign/unsigned storage functions */
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rr = mp_signed_bin_size(&c);
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mp_to_signed_bin(&c, (unsigned char *) cmd);
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memset(cmd + rr, rand() & 0xFFu, sizeof(cmd) - rr);
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mp_read_signed_bin(&d, (unsigned char *) cmd, rr);
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if (mp_cmp(&c, &d) != MP_EQ) {
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printf("mp_signed_bin failure!\n");
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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rr = mp_unsigned_bin_size(&c);
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mp_to_unsigned_bin(&c, (unsigned char *) cmd);
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memset(cmd + rr, rand() & 0xFFu, sizeof(cmd) - rr);
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mp_read_unsigned_bin(&d, (unsigned char *) cmd, rr);
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if (mp_cmp_mag(&c, &d) != MP_EQ) {
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printf("mp_unsigned_bin failure!\n");
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "sub") == 0) {
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++sub_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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mp_copy(&a, &d);
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mp_sub(&d, &b, &d);
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if (mp_cmp(&c, &d) != MP_EQ) {
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printf("sub %lu failure!\n", sub_n);
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "mul") == 0) {
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++mul_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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mp_copy(&a, &d);
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mp_mul(&d, &b, &d);
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if (mp_cmp(&c, &d) != MP_EQ) {
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printf("mul %lu failure!\n", mul_n);
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "div") == 0) {
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++div_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&d, buf, 64);
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mp_div(&a, &b, &e, &f);
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if ((mp_cmp(&c, &e) != MP_EQ) || (mp_cmp(&d, &f) != MP_EQ)) {
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printf("div %lu %d, %d, failure!\n", div_n, mp_cmp(&c, &e),
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mp_cmp(&d, &f));
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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draw(&e);
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draw(&f);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "sqr") == 0) {
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++sqr_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_copy(&a, &c);
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mp_sqr(&c, &c);
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if (mp_cmp(&b, &c) != MP_EQ) {
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printf("sqr %lu failure!\n", sqr_n);
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draw(&a);
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draw(&b);
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draw(&c);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "gcd") == 0) {
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++gcd_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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mp_copy(&a, &d);
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mp_gcd(&d, &b, &d);
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d.sign = c.sign;
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if (mp_cmp(&c, &d) != MP_EQ) {
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printf("gcd %lu failure!\n", gcd_n);
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "lcm") == 0) {
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++lcm_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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mp_copy(&a, &d);
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mp_lcm(&d, &b, &d);
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d.sign = c.sign;
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if (mp_cmp(&c, &d) != MP_EQ) {
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printf("lcm %lu failure!\n", lcm_n);
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "expt") == 0) {
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++expt_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&d, buf, 64);
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mp_copy(&a, &e);
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mp_exptmod(&e, &b, &c, &e);
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if (mp_cmp(&d, &e) != MP_EQ) {
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printf("expt %lu failure!\n", expt_n);
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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draw(&e);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "invmod") == 0) {
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++inv_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&c, buf, 64);
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mp_invmod(&a, &b, &d);
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mp_mulmod(&d, &a, &b, &e);
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if (mp_cmp_d(&e, 1uL) != MP_EQ) {
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printf("inv [wrong value from MPI?!] failure\n");
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draw(&a);
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draw(&b);
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draw(&c);
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draw(&d);
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draw(&e);
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mp_gcd(&a, &b, &e);
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draw(&e);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "div2") == 0) {
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++div2_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_div_2(&a, &c);
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if (mp_cmp(&c, &b) != MP_EQ) {
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printf("div_2 %lu failure\n", div2_n);
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draw(&a);
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draw(&b);
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draw(&c);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "mul2") == 0) {
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++mul2_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_mul_2(&a, &c);
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if (mp_cmp(&c, &b) != MP_EQ) {
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printf("mul_2 %lu failure\n", mul2_n);
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draw(&a);
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draw(&b);
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draw(&c);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "add_d") == 0) {
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++add_d_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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sscanf(buf, "%d", &ix);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_add_d(&a, ix, &c);
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if (mp_cmp(&b, &c) != MP_EQ) {
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printf("add_d %lu failure\n", add_d_n);
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draw(&a);
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draw(&b);
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draw(&c);
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printf("d == %d\n", ix);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "sub_d") == 0) {
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++sub_d_n;
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FGETS(buf, 4095, stdin);
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mp_read_radix(&a, buf, 64);
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FGETS(buf, 4095, stdin);
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sscanf(buf, "%d", &ix);
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FGETS(buf, 4095, stdin);
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mp_read_radix(&b, buf, 64);
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mp_sub_d(&a, ix, &c);
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if (mp_cmp(&b, &c) != MP_EQ) {
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printf("sub_d %lu failure\n", sub_d_n);
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draw(&a);
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draw(&b);
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draw(&c);
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printf("d == %d\n", ix);
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goto LBL_ERR;
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}
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} else if (strcmp(cmd, "exit") == 0) {
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printf("\nokay, exiting now\n");
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break;
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}
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}
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mp_clear_multi(&a, &b, &c, &d, &e, &f, NULL);
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printf("\n");
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return 0;
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LBL_ERR:
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mp_clear_multi(&a, &b, &c, &d, &e, &f, NULL);
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printf("\n");
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return EXIT_FAILURE;
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}
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