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51 lines
1.7 KiB
51 lines
1.7 KiB
4 years ago
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// hex.h - originally written and placed in the public domain by Wei Dai
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/// \file hex.h
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/// \brief Classes for HexEncoder and HexDecoder
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#ifndef CRYPTOPP_HEX_H
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#define CRYPTOPP_HEX_H
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#include "cryptlib.h"
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#include "basecode.h"
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NAMESPACE_BEGIN(CryptoPP)
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/// \brief Converts given data to base 16
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class CRYPTOPP_DLL HexEncoder : public SimpleProxyFilter
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{
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public:
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/// \brief Construct a HexEncoder
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/// \param attachment a BufferedTrasformation to attach to this object
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/// \param uppercase a flag indicating uppercase output
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/// \param groupSize the size of the output grouping
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/// \param separator the separator to use between groups
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/// \param terminator the terminator append after processing
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HexEncoder(BufferedTransformation *attachment = NULLPTR, bool uppercase = true, int groupSize = 0, const std::string &separator = ":", const std::string &terminator = "")
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: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
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{
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IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), groupSize)(Name::Separator(), ConstByteArrayParameter(separator))(Name::Terminator(), ConstByteArrayParameter(terminator)));
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}
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void IsolatedInitialize(const NameValuePairs ¶meters);
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};
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/// \brief Decode base 16 data back to bytes
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class CRYPTOPP_DLL HexDecoder : public BaseN_Decoder
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{
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public:
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/// \brief Construct a HexDecoder
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/// \param attachment a BufferedTrasformation to attach to this object
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HexDecoder(BufferedTransformation *attachment = NULLPTR)
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: BaseN_Decoder(GetDefaultDecodingLookupArray(), 4, attachment) {}
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void IsolatedInitialize(const NameValuePairs ¶meters);
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private:
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static const int * CRYPTOPP_API GetDefaultDecodingLookupArray();
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};
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NAMESPACE_END
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#endif
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