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(Name::Uppercase(),
true);
00017 m_filter->Initialize(CombinedNameValuePairs(
00018 parameters,
00019 MakeParameters(Name::EncodingLookupArray(), uppercase ? &s_vecUpper[0] : &s_vecLower[0],
false)(Name::Log2Base(), 4,
true)));
00020 }
00021
00022
void HexDecoder::IsolatedInitialize(
const NameValuePairs ¶meters)
00023 {
00024
BaseN_Decoder::Initialize(CombinedNameValuePairs(
00025 parameters,
00026 MakeParameters(Name::DecodingLookupArray(), GetDefaultDecodingLookupArray(),
false)(Name::Log2Base(), 4,
true)));
00027 }
00028
00029
const int *HexDecoder::GetDefaultDecodingLookupArray()
00030 {
00031
static bool s_initialized =
false;
00032
static int s_array[256];
00033
00034
if (!s_initialized)
00035 {
00036 InitializeDecodingLookupArray(s_array, s_vecUpper, 16,
true);
00037 s_initialized =
true;
00038 }
00039
return s_array;
00040 }
00041
00042 NAMESPACE_END
00043
00044
#endif