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RSA crypto initial draft

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Imbus 2025-02-12 19:48:32 +01:00
parent 1cd0b619ef
commit 24922e59c6
4 changed files with 179 additions and 15 deletions
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54
main.c
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@ -1,9 +1,10 @@
#include <ch32fun.h>
#include <rand.h>
#include <rsa.h>
#include <stdint.h>
#include <stdio.h>
#define LED_PIN PD6
#define FREQ 2
#define BLINK_DELAY 1000 / FREQ
void exit_blink() {
for (int i = 0; i < 4; i++) {
@ -12,28 +13,53 @@ void exit_blink() {
funDigitalWrite(LED_PIN, FUN_LOW);
Delay_Ms(50);
}
}
while (1){};
funDigitalWrite(LED_PIN, FUN_HIGH);
void enter_blink() {
for (int i = 0; i < 2; i++) {
funDigitalWrite(LED_PIN, FUN_HIGH);
Delay_Ms(200);
funDigitalWrite(LED_PIN, FUN_LOW);
Delay_Ms(200);
}
}
int main() {
SystemInit();
// Enable GPIOs
funGpioInitAll();
printf("Entering...");
funGpioInitAll();
funPinMode(LED_PIN, GPIO_Speed_10MHz | GPIO_CNF_OUT_PP);
int i = 0;
while (i < gcd(930, 10)) {
i++;
funDigitalWrite(LED_PIN, FUN_HIGH);
Delay_Ms(BLINK_DELAY);
funDigitalWrite(LED_PIN, FUN_LOW);
Delay_Ms(BLINK_DELAY);
enter_blink();
uint64_t p = gen_prime(1 << 15, 1 << 16);
uint64_t q = gen_prime(1 << 15, 1 << 16);
while (p == q) p = gen_prime(1 << 15, 1 << 16);
uint64_t n = p * q;
// Make these work by patching printf
printf("P: %llu\n", p);
printf("Q: %llu\n", q);
printf("N: %llu\n", n);
for (int idx = 0; idx < 16; idx++) {
funDigitalWrite(LED_PIN, p >> idx & 1);
Delay_Ms(200);
}
for (int idx = 0; idx < 16; idx++) {
funDigitalWrite(LED_PIN, q >> idx & 1);
Delay_Ms(200);
}
for (int idx = 0; idx < 16; idx++) {
funDigitalWrite(LED_PIN, n >> idx & 1);
Delay_Ms(200);
}
// Exit and hang forever
exit_blink();
while (1);
}