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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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/**
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* Wrapper for writing and signing an archive
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*/
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class FSignedArchiveWriter : public FArchive
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{
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/** Buffer to sign */
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TArray<uint8> Buffer;
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/** Buffer writer */
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FMemoryWriter BufferArchive;
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/** The actuall pak archive */
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FArchive& PakWriter;
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/** Size of the archive on disk (including signatures) */
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int64 SizeOnDisk;
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/** Data size (excluding signatures) */
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int64 PakSize;
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/** Decryption key */
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FEncryptionKey PublicKey;
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/** Encryption key */
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FEncryptionKey PrivateKey;
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/**
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* Encrypts a signature
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*/
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void Encrypt(int256* EncryptedData, const uint8* Data, const int64 DataLength, const FEncryptionKey EncryptionKey);
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/**
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* Serializes and signs a buffer
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*/
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void SerializeBufferAndSign();
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public:
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FSignedArchiveWriter(FArchive& Pak, const FEncryptionKey& InPublicKey, const FEncryptionKey& InPrivateKey);
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virtual ~FSignedArchiveWriter();
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// FArchive interface
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virtual bool Close() override;
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virtual void Serialize(void* Data, int64 Length) override;
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virtual int64 Tell() override;
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virtual int64 TotalSize() override;
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virtual void Seek(int64 InPos) override;
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};
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