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Now using a SecureBitset class that zeroes memory in dtor.

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Leonetienne
2021-12-13 14:40:29 +01:00
parent 1931602a38
commit 81bf6c7aee
11 changed files with 680 additions and 49 deletions
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9
GhettoCrypt/Util.h
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@@ -2,6 +2,7 @@
#include <bitset>
#include <sstream>
#include <fstream>
#include "SecureBitset.h"
#include "Block.h"
#include "Flexblock.h"
@@ -15,7 +16,7 @@ namespace GhettoCipher
//! Will perform a wrapping left-bitshift on a bitset
template <std::size_t T>
inline std::bitset<T> Shiftl(const std::bitset<T>& bits, const std::size_t amount)
inline SecureBitset<T> Shiftl(const SecureBitset<T>& bits, const std::size_t amount)
{
std::stringstream ss;
const std::string bitss = bits.to_string();
@@ -23,12 +24,12 @@ namespace GhettoCipher
for (std::size_t i = 0; i < bitss.size(); i++)
ss << bitss[Mod((int)(i + amount), (int)bitss.size())];
return std::bitset<T>(ss.str());
return SecureBitset<T>(ss.str());
}
//! Will perform a wrapping right-bitshift on a bitset
template <std::size_t T>
inline std::bitset<T> Shiftr(const std::bitset<T>& bits, const std::size_t amount)
inline SecureBitset<T> Shiftr(const SecureBitset<T>& bits, const std::size_t amount)
{
std::stringstream ss;
const std::string bitss = bits.to_string();
@@ -36,7 +37,7 @@ namespace GhettoCipher
for (std::size_t i = 0; i < bitss.size(); i++)
ss << bitss[Mod((i - amount), bitss.size())];
return std::bitset<T>(ss.str());
return SecureBitset<T>(ss.str());
}
//! Will pad a string to a set length with a certain character