From 5e60e0e3af85f22aa0afe8bf0ecf85619afacfeb Mon Sep 17 00:00:00 2001
From: Micah Anderson <micah@riseup.net>
Date: Thu, 22 Aug 2013 16:39:52 -0400
Subject: Imported Upstream version 0.6.0.12

---
 embeddedcryptopp/osrng.cpp | 171 ---------------------------------------------
 1 file changed, 171 deletions(-)
 delete mode 100644 embeddedcryptopp/osrng.cpp

(limited to 'embeddedcryptopp/osrng.cpp')

diff --git a/embeddedcryptopp/osrng.cpp b/embeddedcryptopp/osrng.cpp
deleted file mode 100644
index fa6dd36..0000000
--- a/embeddedcryptopp/osrng.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-// osrng.cpp - written and placed in the public domain by Wei Dai
-
-// Thanks to Leonard Janke for the suggestion for AutoSeededRandomPool.
-
-#include "pch.h"
-
-#ifndef CRYPTOPP_IMPORTS
-
-#include "osrng.h"
-
-#ifdef OS_RNG_AVAILABLE
-
-#include "rng.h"
-
-#ifdef CRYPTOPP_WIN32_AVAILABLE
-#ifndef _WIN32_WINNT
-#define _WIN32_WINNT 0x0400
-#endif
-#include <windows.h>
-#include <wincrypt.h>
-#endif
-
-#ifdef CRYPTOPP_UNIX_AVAILABLE
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#endif
-
-NAMESPACE_BEGIN(CryptoPP)
-
-#if defined(NONBLOCKING_RNG_AVAILABLE) || defined(BLOCKING_RNG_AVAILABLE)
-OS_RNG_Err::OS_RNG_Err(const std::string &operation)
-	: Exception(OTHER_ERROR, "OS_Rng: " + operation + " operation failed with error " + 
-#ifdef CRYPTOPP_WIN32_AVAILABLE
-		"0x" + IntToString(GetLastError(), 16)
-#else
-		IntToString(errno)
-#endif
-		)
-{
-}
-#endif
-
-#ifdef NONBLOCKING_RNG_AVAILABLE
-
-#ifdef CRYPTOPP_WIN32_AVAILABLE
-
-MicrosoftCryptoProvider::MicrosoftCryptoProvider()
-{
-	if(!CryptAcquireContext(&m_hProvider, 0, 0, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
-		throw OS_RNG_Err("CryptAcquireContext");
-}
-
-MicrosoftCryptoProvider::~MicrosoftCryptoProvider()
-{
-	CryptReleaseContext(m_hProvider, 0);
-}
-
-#endif
-
-NonblockingRng::NonblockingRng()
-{
-#ifndef CRYPTOPP_WIN32_AVAILABLE
-	m_fd = open("/dev/urandom",O_RDONLY);
-	if (m_fd == -1)
-		throw OS_RNG_Err("open /dev/urandom");
-#endif
-}
-
-NonblockingRng::~NonblockingRng()
-{
-#ifndef CRYPTOPP_WIN32_AVAILABLE
-	close(m_fd);
-#endif
-}
-
-void NonblockingRng::GenerateBlock(byte *output, size_t size)
-{
-#ifdef CRYPTOPP_WIN32_AVAILABLE
-#	ifdef WORKAROUND_MS_BUG_Q258000
-		const MicrosoftCryptoProvider &m_Provider = Singleton<MicrosoftCryptoProvider>().Ref();
-#	endif
-	if (!CryptGenRandom(m_Provider.GetProviderHandle(), (DWORD)size, output))
-		throw OS_RNG_Err("CryptGenRandom");
-#else
-	if (read(m_fd, output, size) != size)
-		throw OS_RNG_Err("read /dev/urandom");
-#endif
-}
-
-#endif
-
-// *************************************************************
-
-#ifdef BLOCKING_RNG_AVAILABLE
-
-#ifndef CRYPTOPP_BLOCKING_RNG_FILENAME
-#ifdef __OpenBSD__
-#define CRYPTOPP_BLOCKING_RNG_FILENAME "/dev/srandom"
-#else
-#define CRYPTOPP_BLOCKING_RNG_FILENAME "/dev/random"
-#endif
-#endif
-
-BlockingRng::BlockingRng()
-{
-	m_fd = open(CRYPTOPP_BLOCKING_RNG_FILENAME,O_RDONLY);
-	if (m_fd == -1)
-		throw OS_RNG_Err("open " CRYPTOPP_BLOCKING_RNG_FILENAME);
-}
-
-BlockingRng::~BlockingRng()
-{
-	close(m_fd);
-}
-
-void BlockingRng::GenerateBlock(byte *output, size_t size)
-{
-	while (size)
-	{
-		// on some systems /dev/random will block until all bytes
-		// are available, on others it will returns immediately
-		ssize_t len = read(m_fd, output, size);
-		if (len < 0)
-			throw OS_RNG_Err("read " CRYPTOPP_BLOCKING_RNG_FILENAME);
-		size -= len;
-		output += len;
-		if (size)
-			sleep(1);
-	}
-}
-
-#endif
-
-// *************************************************************
-
-void OS_GenerateRandomBlock(bool blocking, byte *output, size_t size)
-{
-#ifdef NONBLOCKING_RNG_AVAILABLE
-	if (blocking)
-#endif
-	{
-#ifdef BLOCKING_RNG_AVAILABLE
-		BlockingRng rng;
-		rng.GenerateBlock(output, size);
-#endif
-	}
-
-#ifdef BLOCKING_RNG_AVAILABLE
-	if (!blocking)
-#endif
-	{
-#ifdef NONBLOCKING_RNG_AVAILABLE
-		NonblockingRng rng;
-		rng.GenerateBlock(output, size);
-#endif
-	}
-}
-
-void AutoSeededRandomPool::Reseed(bool blocking, unsigned int seedSize)
-{
-	SecByteBlock seed(seedSize);
-	OS_GenerateRandomBlock(blocking, seed, seedSize);
-	IncorporateEntropy(seed, seedSize);
-}
-
-NAMESPACE_END
-
-#endif
-
-#endif
-- 
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