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 --- CryptoPP/randpool.cpp | 63 --------------------------------------------------- 1 file changed, 63 deletions(-) delete mode 100644 CryptoPP/randpool.cpp (limited to 'CryptoPP/randpool.cpp') diff --git a/CryptoPP/randpool.cpp b/CryptoPP/randpool.cpp deleted file mode 100644 index a063c8996..000000000 --- a/CryptoPP/randpool.cpp +++ /dev/null @@ -1,63 +0,0 @@ -// randpool.cpp - written and placed in the public domain by Wei Dai -// RandomPool used to follow the design of randpool in PGP 2.6.x, -// but as of version 5.5 it has been redesigned to reduce the risk -// of reusing random numbers after state rollback (which may occur -// when running in a virtual machine like VMware). - -#include "pch.h" - -#ifndef CRYPTOPP_IMPORTS - -#include "randpool.h" -#include "aes.h" -#include "sha.h" -#include "hrtimer.h" -#include - -NAMESPACE_BEGIN(CryptoPP) - -RandomPool::RandomPool() - : m_pCipher(new AES::Encryption), m_keySet(false) -{ - memset(m_key, 0, m_key.SizeInBytes()); - memset(m_seed, 0, m_seed.SizeInBytes()); -} - -void RandomPool::IncorporateEntropy(const byte *input, size_t length) -{ - SHA256 hash; - hash.Update(m_key, 32); - hash.Update(input, length); - hash.Final(m_key); - m_keySet = false; -} - -void RandomPool::GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size) -{ - if (size > 0) - { - if (!m_keySet) - m_pCipher->SetKey(m_key, 32); - - Timer timer; - TimerWord tw = timer.GetCurrentTimerValue(); - CRYPTOPP_COMPILE_ASSERT(sizeof(tw) <= 16); - *(TimerWord *)m_seed.data() += tw; - - time_t t = time(NULL); - CRYPTOPP_COMPILE_ASSERT(sizeof(t) <= 8); - *(time_t *)(m_seed.data()+8) += t; - - do - { - m_pCipher->ProcessBlock(m_seed); - size_t len = UnsignedMin(16, size); - target.ChannelPut(channel, m_seed, len); - size -= len; - } while (size > 0); - } -} - -NAMESPACE_END - -#endif -- cgit v1.2.3