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Adds PCK encryption support (using script encryption key for export).

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Change default encryption mode from ECB to CFB.
This commit is contained in:
bruvzg
2020-04-28 20:51:29 +03:00
parent 52f6ac81be
commit f043eabdd8
18 changed files with 692 additions and 151 deletions
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9
core/io/file_access_encrypted.h
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@ -33,6 +33,8 @@
#include "core/os/file_access.h"
#define ENCRYPTED_HEADER_MAGIC 0x43454447
class FileAccessEncrypted : public FileAccess {
public:
enum Mode {
@ -42,7 +44,6 @@ public:
};
private:
Mode mode = MODE_MAX;
Vector<uint8_t> key;
bool writing = false;
FileAccess *file = nullptr;
@ -51,13 +52,17 @@ private:
Vector<uint8_t> data;
mutable int pos = 0;
mutable bool eofed = false;
bool use_magic = true;
void _release();
public:
Error open_and_parse(FileAccess *p_base, const Vector<uint8_t> &p_key, Mode p_mode);
Error open_and_parse(FileAccess *p_base, const Vector<uint8_t> &p_key, Mode p_mode, bool p_with_magic = true);
Error open_and_parse_password(FileAccess *p_base, const String &p_key, Mode p_mode);
virtual Error _open(const String &p_path, int p_mode_flags); ///< open a file
virtual void close(); ///< close a file
virtual void release(); ///< finish and keep base file open
virtual bool is_open() const; ///< true when file is open
virtual String get_path() const; /// returns the path for the current open file