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authorZach Hilman <zachhilman@gmail.com>2018-07-27 23:55:23 -0400
committerZach Hilman <zachhilman@gmail.com>2018-08-01 00:16:54 -0400
commitdf5b75694f5abde94ccf05fa6c7a557b1ba9079b (patch)
tree70f0cf96b1a9834360fb1c5d5547939693ecd577 /src/core/crypto/ctr_encryption_layer.h
parentd2ad279a32751756c6c7bcb9354136f52dea0795 (diff)
Remove files that are not used
Diffstat (limited to 'src/core/crypto/ctr_encryption_layer.h')
-rw-r--r--src/core/crypto/ctr_encryption_layer.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/core/crypto/ctr_encryption_layer.h b/src/core/crypto/ctr_encryption_layer.h
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+++ b/src/core/crypto/ctr_encryption_layer.h
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+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "aes_util.h"
+#include "encryption_layer.h"
+#include "key_manager.h"
+
+namespace Crypto {
+
+// Sits on top of a VirtualFile and provides CTR-mode AES decription.
+struct CTREncryptionLayer : public EncryptionLayer {
+ CTREncryptionLayer(FileSys::VirtualFile base, Key128 key, size_t base_offset);
+
+ size_t Read(u8* data, size_t length, size_t offset) const override;
+
+ void SetIV(std::vector<u8> iv);
+
+private:
+ size_t base_offset;
+
+ // Must be mutable as operations modify cipher contexts.
+ mutable AESCipher<Key128> cipher;
+ mutable std::vector<u8> iv;
+
+ void UpdateIV(size_t offset) const;
+};
+
+} // namespace Crypto