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Diffstat (limited to '')
| -rw-r--r-- | CryptoPP/base64.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/CryptoPP/base64.cpp b/CryptoPP/base64.cpp new file mode 100644 index 000000000..7571f2b8c --- /dev/null +++ b/CryptoPP/base64.cpp @@ -0,0 +1,42 @@ +// base64.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "base64.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const byte s_vec[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; +static const byte s_padding = '='; + +void Base64Encoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + bool insertLineBreaks = parameters.GetValueWithDefault(Name::InsertLineBreaks(), true); + int maxLineLength = parameters.GetIntValueWithDefault(Name::MaxLineLength(), 72); + + const char *lineBreak = insertLineBreaks ? "\n" : ""; + + m_filter->Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::EncodingLookupArray(), &s_vec[0], false) + (Name::PaddingByte(), s_padding) + (Name::GroupSize(), insertLineBreaks ? maxLineLength : 0) + (Name::Separator(), ConstByteArrayParameter(lineBreak)) + (Name::Terminator(), ConstByteArrayParameter(lineBreak)) + (Name::Log2Base(), 6, true))); +} + +const int *Base64Decoder::GetDecodingLookupArray() +{ + static volatile bool s_initialized = false; + static int s_array[256]; + + if (!s_initialized) + { + InitializeDecodingLookupArray(s_array, s_vec, 64, false); + s_initialized = true; + } + return s_array; +} + +NAMESPACE_END |