Fusee Stage 2: Flesh out Package2 patching (implement decryption, fixing of metadata)

fusee/fusee-secondary/src/masterkey.h

@@ -0,0 +1,22 @@
+#ifndef FUSEE_MASTERKEY_H
+#define FUSEE_MASTERKEY_H
+
+/* This is glue code to enable master key support across versions. */
+
+/* TODO: Update to 0x6 on release of new master key. */
+#define MASTERKEY_REVISION_MAX 0x5
+
+#define MASTERKEY_REVISION_100_230     0x00
+#define MASTERKEY_REVISION_300         0x01
+#define MASTERKEY_REVISION_301_302     0x02
+#define MASTERKEY_REVISION_400_410     0x03
+#define MASTERKEY_REVISION_500_CURRENT 0x04
+
+/* This should be called during initialization. */
+void mkey_detect_revision(void);
+
+unsigned int mkey_get_revision(void);
+
+unsigned int mkey_get_keyslot(unsigned int revision);
+
+#endif