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// Crypto/AES/MyAES.cpp
#include "StdAfx.h"
#include "MyAES.h"
namespace NCrypto {
struct CAesTabInit { CAesTabInit() { AesGenTables();} } g_AesTabInit;
STDMETHODIMP CAesCbcEncoder::Init() { return S_OK; }
STDMETHODIMP_(UInt32) CAesCbcEncoder::Filter(Byte *data, UInt32 size)
{
return AesCbcEncode(&Aes, data, size);
}
STDMETHODIMP CAesCbcEncoder::SetKey(const Byte *data, UInt32 size)
{
if ((size & 0x7) != 0 || size < 16 || size > 32)
return E_INVALIDARG;
AesSetKeyEncode(&Aes.aes, data, size);
return S_OK;
}
STDMETHODIMP CAesCbcEncoder::SetInitVector(const Byte *data, UInt32 size)
{
if (size != AES_BLOCK_SIZE)
return E_INVALIDARG;
AesCbcInit(&Aes, data);
return S_OK;
}
STDMETHODIMP CAesCbcDecoder::Init() { return S_OK; }
STDMETHODIMP_(UInt32) CAesCbcDecoder::Filter(Byte *data, UInt32 size)
{
return AesCbcDecode(&Aes, data, size);
}
STDMETHODIMP CAesCbcDecoder::SetKey(const Byte *data, UInt32 size)
{
if ((size & 0x7) != 0 || size < 16 || size > 32)
return E_INVALIDARG;
AesSetKeyDecode(&Aes.aes, data, size);
return S_OK;
}
STDMETHODIMP CAesCbcDecoder::SetInitVector(const Byte *data, UInt32 size)
{
if (size != AES_BLOCK_SIZE)
return E_INVALIDARG;
AesCbcInit(&Aes, data);
return S_OK;
}
}
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