From 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Sun, 24 Nov 2013 14:21:13 +0000 Subject: move cryptopp into lib --- lib/cryptopp/base32.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 lib/cryptopp/base32.cpp (limited to 'lib/cryptopp/base32.cpp') diff --git a/lib/cryptopp/base32.cpp b/lib/cryptopp/base32.cpp new file mode 100644 index 000000000..0568f0729 --- /dev/null +++ b/lib/cryptopp/base32.cpp @@ -0,0 +1,39 @@ +// base32.cpp - written and placed in the public domain by Frank Palazzolo, based on hex.cpp by Wei Dai + +#include "pch.h" +#include "base32.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const byte s_vecUpper[] = "ABCDEFGHIJKMNPQRSTUVWXYZ23456789"; +static const byte s_vecLower[] = "abcdefghijkmnpqrstuvwxyz23456789"; + +void Base32Encoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + bool uppercase = parameters.GetValueWithDefault(Name::Uppercase(), true); + m_filter->Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::EncodingLookupArray(), uppercase ? &s_vecUpper[0] : &s_vecLower[0], false)(Name::Log2Base(), 5, true))); +} + +void Base32Decoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + BaseN_Decoder::Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::DecodingLookupArray(), GetDefaultDecodingLookupArray(), false)(Name::Log2Base(), 5, true))); +} + +const int *Base32Decoder::GetDefaultDecodingLookupArray() +{ + static volatile bool s_initialized = false; + static int s_array[256]; + + if (!s_initialized) + { + InitializeDecodingLookupArray(s_array, s_vecUpper, 32, true); + s_initialized = true; + } + return s_array; +} + +NAMESPACE_END -- cgit v1.2.3