[makerom] misc

makerom/aes_keygen.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <stdint.h>
+
+/*
+	AES Key generator for the Nintendo (Handheld) Consoles
+
+	BYO keygen constants, and input >>> parameters
+
+	key = ((x >>> x_shift) ^ (y >>> y_shift)) + keygen_constant
+*/
+
+void n_aes_keygen(const uint8_t *x, uint8_t x_shift, const uint8_t *y, uint8_t y_shift, const uint8_t *keygen_constant, uint8_t *key);