mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-23 18:09:48 +00:00
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// 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::IsolatedInitialize(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
|