00001
00002
00003 #include "pch.h"
00004
00005 #ifndef CRYPTOPP_IMPORTS
00006
00007 #include "hex.h"
00008
00009 NAMESPACE_BEGIN(CryptoPP)
00010
00011 static const byte s_vecUpper[] = "0123456789ABCDEF";
00012 static const byte s_vecLower[] = "0123456789abcdef";
00013
00014 void HexEncoder::IsolatedInitialize(const NameValuePairs ¶meters)
00015 {
00016 bool uppercase = parameters.GetValueWithDefault("Uppercase", true);
00017 m_filter->Initialize(CombinedNameValuePairs(
00018 parameters,
00019 MakeParameters("EncodingLookupArray", uppercase ? &s_vecUpper[0] : &s_vecLower[0])("Log2Base", 4)));
00020 }
00021
00022 const int *HexDecoder::GetDecodingLookupArray()
00023 {
00024 static bool s_initialized = false;
00025 static int s_array[256];
00026
00027 if (!s_initialized)
00028 {
00029 InitializeDecodingLookupArray(s_array, s_vecUpper, 16, true);
00030 s_initialized = true;
00031 }
00032 return s_array;
00033 }
00034
00035 NAMESPACE_END
00036
00037 #endif