diff --git a/main.c b/main.c
index ad65852..29770df 100644
--- a/main.c
+++ b/main.c
@@ -5,7 +5,6 @@
 #include <stdio.h>
 
 #define LED_PIN PD6
-#define RSA_16
 
 void exit_blink() {
     for (int i = 0; i < 4; i++) {
@@ -27,24 +26,28 @@ void enter_blink() {
 
 int main() {
     SystemInit();
-
-    printf("Entering...\n");
+    sprand(0);
 
     funGpioInitAll();
     funPinMode(LED_PIN, GPIO_Speed_10MHz | GPIO_CNF_OUT_PP);
 
     enter_blink();
 
+#ifdef RANDOM
     uint64_t p = gen_prime(1 << 15, 1 << 16);
-    uint64_t q = gen_prime(1 << 15, 1 << 16);
+    uint64_t q = p;
 
     while (p == q) p = gen_prime(1 << 15, 1 << 16);
+#else
+    uint64_t p = 56857;
+    uint64_t q = 47963;
+#endif
 
     uint64_t n = p * q;
     uint64_t phi_n = (p - 1) * (q - 1);
 
     // 'e' is public. E for encrypt.
-    uint64_t e = prand_range(3, phi_n - 1);
+    uint64_t e = 0;
     while (gcd(e, phi_n) != 1) e = prand_range(3, phi_n - 1);
 
     // 'd' is our private key. D as in decrypt