void test_square_bigint(void){
bigint_t a, c;
cli_putstr_P(PSTR("\r\nsquare test\r\n"));
for(;;){
cli_putstr_P(PSTR("\r\nenter a:"));
if(bigint_read_hex_echo(&a)){
cli_putstr_P(PSTR("\r\n end square test"));
return;
}
cli_putstr_P(PSTR("\r\n "));
bigint_print_hex(&a);
cli_putstr_P(PSTR("**2 = "));
uint8_t *c_b;
c_b = malloc(a.length_B*2);
if(c_b==NULL){
cli_putstr_P(PSTR("\n\rERROR: Out of memory!"));
free(a.wordv);
continue;
}
c.wordv = c_b;
bigint_square(&c, &a);
bigint_print_hex(&c);
cli_putstr_P(PSTR("\r\n"));
free(a.wordv);
free(c_b);
}
}
void testrun_square(void){
bigint_word_t a_w[] = {
0x82, 0x6f, 0x79, 0x39, 0x47, 0x06, 0x26, 0x9f,
0x4b, 0xe2, 0x15, 0x61, 0x6f, 0xa1, 0xd4, 0x0c,
0x1f, 0x24, 0x3a, 0xd4, 0xc2, 0x6d, 0xe8, 0xb6
};
bigint_word_t b_w[2 * 192 / BIGINT_WORD_SIZE];
bigint_t a, b;
a.wordv = a_w;
a.length_W = sizeof(a_w);
a.info = 7;
b.wordv = b_w;
b.info = 0;
b.length_W = 0;
printf_P(PSTR("\n a = "));
bigint_print_hex(&a);
bigint_square(&b, &a);
printf_P(PSTR("\n a^2 = "));
bigint_print_hex(&b);
bigint_reduce_p192(&b);
printf_P(PSTR("\n a^2 %% p = "));
bigint_print_hex(&b);
putchar('\n');
}
void test_square_simple(void){
bigint_t a, c;
uint8_t a_b[11] = {0xe6, 0x70, 0x7d, 0x43, 0x74, 0x07, 0x20, 0x22, 0x6a, 0xb8, 0xf4};
uint8_t c_b[22];
a.wordv=a_b;
c.wordv=c_b;
a.length_B = 11;
a.info=0x00;
bigint_adjust(&a);
bigint_square(&c, &a);
cli_putstr_P(PSTR("\r\n test: "));
bigint_print_hex(&a);
cli_putstr_P(PSTR("**2 = "));
bigint_print_hex(&c);
}
