Added neimod's ctrtool

Will be base code for improvments

ctrtool/exefs.h

@@ -0,0 +1,60 @@
+#ifndef _EXEFS_H_
+#define _EXEFS_H_
+
+#include "types.h"
+#include "info.h"
+#include "ctr.h"
+#include "filepath.h"
+#include "settings.h"
+
+
+typedef struct
+{
+	u8 name[8];
+	u8 offset[4];
+	u8 size[4];
+} exefs_sectionheader;
+
+
+typedef struct
+{
+	exefs_sectionheader section[8];
+	u8 reserved[0x80];
+	u8 hashes[8][0x20];
+} exefs_header;
+
+typedef struct
+{
+	FILE* file;
+	settings* usersettings;
+	u8 partitionid[8];
+	u8 counter[16];
+	u8 key[16];
+	u32 offset;
+	u32 size;
+	exefs_header header;
+	ctr_aes_context aes;
+	ctr_sha256_context sha;
+	int hashcheck[8];
+	int compressedflag;
+	int encrypted;
+} exefs_context;
+
+void exefs_init(exefs_context* ctx);
+void exefs_set_file(exefs_context* ctx, FILE* file);
+void exefs_set_offset(exefs_context* ctx, u32 offset);
+void exefs_set_size(exefs_context* ctx, u32 size);
+void exefs_set_usersettings(exefs_context* ctx, settings* usersettings);
+void exefs_set_partitionid(exefs_context* ctx, u8 partitionid[8]);
+void exefs_set_counter(exefs_context* ctx, u8 counter[16]);
+void exefs_set_compressedflag(exefs_context* ctx, int compressedflag);
+void exefs_set_key(exefs_context* ctx, u8 key[16]);
+void exefs_set_encrypted(exefs_context* ctx, u32 encrypted);
+void exefs_read_header(exefs_context* ctx, u32 flags);
+void exefs_calculate_hash(exefs_context* ctx, u8 hash[32]);
+void exefs_process(exefs_context* ctx, u32 actions);
+void exefs_print(exefs_context* ctx);
+void exefs_save(exefs_context* ctx, u32 index, u32 flags);
+int exefs_verify(exefs_context* ctx, u32 index, u32 flags);
+void exefs_determine_key(exefs_context* ctx, u32 actions);
+#endif // _EXEFS_H_