00001
00002
00003 #include "pch.h"
00004 #include "base64.h"
00005
00006 NAMESPACE_BEGIN(CryptoPP)
00007
00008 static const byte s_vec[] =
00009 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
00010 static const byte s_padding = '=';
00011
00012 void Base64Encoder::IsolatedInitialize(const NameValuePairs ¶meters)
00013 {
00014 bool insertLineBreaks = parameters.GetValueWithDefault("InsertLineBreaks", true);
00015 int maxLineLength = parameters.GetIntValueWithDefault("MaxLineLength", 72);
00016
00017 m_filter->Initialize(CombinedNameValuePairs(
00018 parameters,
00019 MakeParameters("EncodingLookupArray", (const byte *)s_vec)
00020 ("PaddingByte", s_padding)
00021 ("Log2Base", 6)
00022 ("GroupSize", insertLineBreaks ? maxLineLength : 0)
00023 ("Seperator", ConstByteArrayParameter("\n"))
00024 ("Terminator", ConstByteArrayParameter("\n"))));
00025 }
00026
00027 const int *Base64Decoder::GetDecodingLookupArray()
00028 {
00029 static bool s_initialized = false;
00030 static int s_array[256];
00031
00032 if (!s_initialized)
00033 {
00034 InitializeDecodingLookupArray(s_array, s_vec, 64, false);
00035 s_initialized = true;
00036 }
00037 return s_array;
00038 }
00039
00040 NAMESPACE_END