kc3-lang/libtommath/demo/opponent.c

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  Commit

• Author : Daniel Mendler
  Date : 2019-05-12 11:33:17
  Hash : 2a2e2716
  Message : move jenkins prng to bn_s_mp_rand_jenkins.c

• demo/opponent.c

• #include "shared.h"
  
  #ifdef LTM_MTEST_REAL_RAND
  #define LTM_MTEST_RAND_SEED  time(NULL)
  #else
  #define LTM_MTEST_RAND_SEED  23
  #endif
  
  static void draw(mp_int *a)
  {
     ndraw(a, "");
  }
  
  #define FGETS(str, size, stream) \
     { \
        char *ret = fgets(str, size, stream); \
        if (!ret) { fprintf(stderr, "\n%d: fgets failed\n", __LINE__); goto LBL_ERR; } \
     }
  
  int mtest_opponent(void)
  {
     char cmd[4096];
     char buf[4096];
     int ix;
     unsigned rr;
     mp_int a, b, c, d, e, f;
     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;
  
     srand(LTM_MTEST_RAND_SEED);
  
     if (mp_init_multi(&a, &b, &c, &d, &e, &f, NULL)!= MP_OKAY)
        return EXIT_FAILURE;
  
     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 = add_d_n = sub_d_n = 0;
  
     /* force KARA and TOOM to enable despite cutoffs */
     KARATSUBA_SQR_CUTOFF = KARATSUBA_MUL_CUTOFF = 8;
     TOOM_SQR_CUTOFF = TOOM_MUL_CUTOFF = 16;
  
     for (;;) {
        /* randomly clear and re-init one variable, this has the affect of triming the alloc space */
        switch (abs(rand()) % 7) {
        case 0:
           mp_clear(&a);
           mp_init(&a);
           break;
        case 1:
           mp_clear(&b);
           mp_init(&b);
           break;
        case 2:
           mp_clear(&c);
           mp_init(&c);
           break;
        case 3:
           mp_clear(&d);
           mp_init(&d);
           break;
        case 4:
           mp_clear(&e);
           mp_init(&e);
           break;
        case 5:
           mp_clear(&f);
           mp_init(&f);
           break;
        case 6:
           break;        /* don't clear any */
        }
  
  
        printf("%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);
        cmd[strlen(cmd) - 1u] = '\0';
        printf("%-6s ]\r", cmd);
        fflush(stdout);
        if (strcmp(cmd, "mul2d") == 0) {
           ++mul2d_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           sscanf(buf, "%u", &rr);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
  
           mp_mul_2d(&a, (int)rr, &a);
           a.sign = b.sign;
           if (mp_cmp(&a, &b) != MP_EQ) {
              printf("mul2d failed, rr == %u\n", rr);
              draw(&a);
              draw(&b);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "div2d") == 0) {
           ++div2d_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           sscanf(buf, "%u", &rr);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
  
           mp_div_2d(&a, (int)rr, &a, &e);
           a.sign = b.sign;
           if ((a.used == b.used) && (a.used == 0)) {
              a.sign = b.sign = MP_ZPOS;
           }
           if (mp_cmp(&a, &b) != MP_EQ) {
              printf("div2d failed, rr == %u\n", rr);
              draw(&a);
              draw(&b);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "add") == 0) {
           ++add_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           mp_copy(&a, &d);
           mp_add(&d, &b, &d);
           if (mp_cmp(&c, &d) != MP_EQ) {
              printf("add %lu failure!\n", add_n);
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
  
           /* test the sign/unsigned storage functions */
  
           rr = (unsigned)mp_signed_bin_size(&c);
           mp_to_signed_bin(&c, (unsigned char *) cmd);
           memset(cmd + rr, rand() & 0xFF, sizeof(cmd) - rr);
           mp_read_signed_bin(&d, (unsigned char *) cmd, (int)rr);
           if (mp_cmp(&c, &d) != MP_EQ) {
              printf("mp_signed_bin failure!\n");
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
  
  
           rr = (unsigned)mp_unsigned_bin_size(&c);
           mp_to_unsigned_bin(&c, (unsigned char *) cmd);
           memset(cmd + rr, rand() & 0xFF, sizeof(cmd) - rr);
           mp_read_unsigned_bin(&d, (unsigned char *) cmd, (int)rr);
           if (mp_cmp_mag(&c, &d) != MP_EQ) {
              printf("mp_unsigned_bin failure!\n");
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
  
        } else if (strcmp(cmd, "sub") == 0) {
           ++sub_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           mp_copy(&a, &d);
           mp_sub(&d, &b, &d);
           if (mp_cmp(&c, &d) != MP_EQ) {
              printf("sub %lu failure!\n", sub_n);
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "mul") == 0) {
           ++mul_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           mp_copy(&a, &d);
           mp_mul(&d, &b, &d);
           if (mp_cmp(&c, &d) != MP_EQ) {
              printf("mul %lu failure!\n", mul_n);
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "div") == 0) {
           ++div_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&d, buf, 64);
  
           mp_div(&a, &b, &e, &f);
           if ((mp_cmp(&c, &e) != MP_EQ) || (mp_cmp(&d, &f) != MP_EQ)) {
              printf("div %lu %d, %d, failure!\n", div_n, mp_cmp(&c, &e),
                     mp_cmp(&d, &f));
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              draw(&e);
              draw(&f);
              goto LBL_ERR;
           }
  
        } else if (strcmp(cmd, "sqr") == 0) {
           ++sqr_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           mp_copy(&a, &c);
           mp_sqr(&c, &c);
           if (mp_cmp(&b, &c) != MP_EQ) {
              printf("sqr %lu failure!\n", sqr_n);
              draw(&a);
              draw(&b);
              draw(&c);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "gcd") == 0) {
           ++gcd_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           mp_copy(&a, &d);
           mp_gcd(&d, &b, &d);
           d.sign = c.sign;
           if (mp_cmp(&c, &d) != MP_EQ) {
              printf("gcd %lu failure!\n", gcd_n);
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "lcm") == 0) {
           ++lcm_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           mp_copy(&a, &d);
           mp_lcm(&d, &b, &d);
           d.sign = c.sign;
           if (mp_cmp(&c, &d) != MP_EQ) {
              printf("lcm %lu failure!\n", lcm_n);
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "expt") == 0) {
           ++expt_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&d, buf, 64);
           mp_copy(&a, &e);
           mp_exptmod(&e, &b, &c, &e);
           if (mp_cmp(&d, &e) != MP_EQ) {
              printf("expt %lu failure!\n", expt_n);
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              draw(&e);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "invmod") == 0) {
           ++inv_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&c, buf, 64);
           mp_invmod(&a, &b, &d);
           mp_mulmod(&d, &a, &b, &e);
           if (mp_cmp_d(&e, 1uL) != MP_EQ) {
              printf("inv [wrong value from MPI?!] failure\n");
              draw(&a);
              draw(&b);
              draw(&c);
              draw(&d);
              draw(&e);
              mp_gcd(&a, &b, &e);
              draw(&e);
              goto LBL_ERR;
           }
  
        } else if (strcmp(cmd, "div2") == 0) {
           ++div2_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           mp_div_2(&a, &c);
           if (mp_cmp(&c, &b) != MP_EQ) {
              printf("div_2 %lu failure\n", div2_n);
              draw(&a);
              draw(&b);
              draw(&c);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "mul2") == 0) {
           ++mul2_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           mp_mul_2(&a, &c);
           if (mp_cmp(&c, &b) != MP_EQ) {
              printf("mul_2 %lu failure\n", mul2_n);
              draw(&a);
              draw(&b);
              draw(&c);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "add_d") == 0) {
           ++add_d_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           sscanf(buf, "%d", &ix);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           mp_add_d(&a, (mp_digit)ix, &c);
           if (mp_cmp(&b, &c) != MP_EQ) {
              printf("add_d %lu failure\n", add_d_n);
              draw(&a);
              draw(&b);
              draw(&c);
              printf("d == %d\n", ix);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "sub_d") == 0) {
           ++sub_d_n;
           FGETS(buf, 4095, stdin);
           mp_read_radix(&a, buf, 64);
           FGETS(buf, 4095, stdin);
           sscanf(buf, "%d", &ix);
           FGETS(buf, 4095, stdin);
           mp_read_radix(&b, buf, 64);
           mp_sub_d(&a, (mp_digit)ix, &c);
           if (mp_cmp(&b, &c) != MP_EQ) {
              printf("sub_d %lu failure\n", sub_d_n);
              draw(&a);
              draw(&b);
              draw(&c);
              printf("d == %d\n", ix);
              goto LBL_ERR;
           }
        } else if (strcmp(cmd, "exit") == 0) {
           printf("\nokay, exiting now\n");
           break;
        }
     }
  
     mp_clear_multi(&a, &b, &c, &d, &e, &f, NULL);
     printf("\n");
     return 0;
  
  LBL_ERR:
     mp_clear_multi(&a, &b, &c, &d, &e, &f, NULL);
     printf("\n");
     return EXIT_FAILURE;
  }