From 5e60e0e3af85f22aa0afe8bf0ecf85619afacfeb Mon Sep 17 00:00:00 2001 From: Micah Anderson Date: Thu, 22 Aug 2013 16:39:52 -0400 Subject: Imported Upstream version 0.6.0.12 --- embeddedcryptopp/randpool.cpp | 52 ------------------------------------------- 1 file changed, 52 deletions(-) delete mode 100644 embeddedcryptopp/randpool.cpp (limited to 'embeddedcryptopp/randpool.cpp') diff --git a/embeddedcryptopp/randpool.cpp b/embeddedcryptopp/randpool.cpp deleted file mode 100644 index 4e935fe..0000000 --- a/embeddedcryptopp/randpool.cpp +++ /dev/null @@ -1,52 +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" - -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); - - 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