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-rw-r--r--src/rng/auto_rng/auto_rng.cpp141
-rw-r--r--src/rng/auto_rng/auto_rng.h17
-rw-r--r--src/rng/auto_rng/info.txt3
3 files changed, 10 insertions, 151 deletions
diff --git a/src/rng/auto_rng/auto_rng.cpp b/src/rng/auto_rng/auto_rng.cpp
deleted file mode 100644
index 78a7ca21d..000000000
--- a/src/rng/auto_rng/auto_rng.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
-* Auto Seeded RNG
-* (C) 2008 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/auto_rng.h>
-#include <botan/libstate.h>
-#include <botan/parsing.h>
-
-#if defined(BOTAN_HAS_RANDPOOL)
- #include <botan/randpool.h>
-#endif
-
-#if defined(BOTAN_HAS_HMAC_RNG)
- #include <botan/hmac_rng.h>
-#endif
-
-#if defined(BOTAN_HAS_X931_RNG)
- #include <botan/x931_rng.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_HIGH_RESOLUTION_TIMER)
- #include <botan/internal/hres_timer.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_DEV_RANDOM)
- #include <botan/internal/dev_random.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_EGD)
- #include <botan/internal/es_egd.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_UNIX)
- #include <botan/internal/es_unix.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_BEOS)
- #include <botan/internal/es_beos.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_CAPI)
- #include <botan/internal/es_capi.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_WIN32)
- #include <botan/internal/es_win32.h>
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_FTW)
- #include <botan/internal/es_ftw.h>
-#endif
-
-namespace Botan {
-
-namespace {
-
-/**
-* Add any known entropy sources to this RNG
-*/
-void add_entropy_sources(RandomNumberGenerator* rng)
- {
-#if defined(BOTAN_HAS_ENTROPY_SRC_HIGH_RESOLUTION_TIMER)
- rng->add_entropy_source(new High_Resolution_Timestamp);
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_DEV_RANDOM)
- rng->add_entropy_source(
- new Device_EntropySource(
- split_on("/dev/urandom:/dev/random:/dev/srandom", ':')
- )
- );
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_EGD)
- rng->add_entropy_source(
- new EGD_EntropySource(split_on("/var/run/egd-pool:/dev/egd-pool", ':'))
- );
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_CAPI)
- rng->add_entropy_source(new Win32_CAPI_EntropySource);
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_FTW)
- rng->add_entropy_source(new FTW_EntropySource("/proc"));
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_WIN32)
- rng->add_entropy_source(new Win32_EntropySource);
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_BEOS)
- rng->add_entropy_source(new BeOS_EntropySource);
-#endif
-
-#if defined(BOTAN_HAS_ENTROPY_SRC_UNIX)
- rng->add_entropy_source(
- new Unix_EntropySource(split_on("/bin:/sbin:/usr/bin:/usr/sbin", ':'))
- );
-#endif
- }
-
-}
-
-AutoSeeded_RNG::AutoSeeded_RNG(u32bit poll_bits)
- {
- rng = 0;
-
- Algorithm_Factory& af = global_state().algorithm_factory();
-
-#if defined(BOTAN_HAS_HMAC_RNG)
-
- rng = new HMAC_RNG(af.make_mac("HMAC(SHA-512)"),
- af.make_mac("HMAC(SHA-256)"));
-
-#elif defined(BOTAN_HAS_RANDPOOL) && defined(BOTAN_HAS_AES)
-
- rng = new Randpool(af.make_block_cipher("AES-256"),
- af.make_mac("HMAC(SHA-256)"));
-
-#endif
-
- if(!rng)
- throw Internal_Error("No usable RNG found enabled in build");
-
- /* If X9.31 is available, use it to wrap the other RNG as a failsafe */
-#if defined(BOTAN_HAS_X931_RNG) && defined(BOTAN_HAS_AES)
-
- rng = new ANSI_X931_RNG(af.make_block_cipher("AES-256"), rng);
-
-#endif
-
- add_entropy_sources(rng);
-
- rng->reseed(poll_bits);
- }
-
-}
diff --git a/src/rng/auto_rng/auto_rng.h b/src/rng/auto_rng/auto_rng.h
index a15b11b13..9a93fee8f 100644
--- a/src/rng/auto_rng/auto_rng.h
+++ b/src/rng/auto_rng/auto_rng.h
@@ -9,31 +9,32 @@
#define BOTAN_AUTO_SEEDING_RNG_H__
#include <botan/rng.h>
+#include <botan/libstate.h>
#include <string>
namespace Botan {
-/**
-* RNG that attempts to seed itself
-*/
class BOTAN_DLL AutoSeeded_RNG : public RandomNumberGenerator
{
public:
void randomize(byte out[], u32bit len)
{ rng->randomize(out, len); }
- bool is_seeded() const
- { return rng->is_seeded(); }
+
+ bool is_seeded() const { return rng->is_seeded(); }
+
void clear() { rng->clear(); }
- std::string name() const
- { return "AutoSeeded(" + rng->name() + ")"; }
+
+ std::string name() const { return rng->name(); }
void reseed(u32bit poll_bits = 256) { rng->reseed(poll_bits); }
+
void add_entropy_source(EntropySource* es)
{ rng->add_entropy_source(es); }
+
void add_entropy(const byte in[], u32bit len)
{ rng->add_entropy(in, len); }
- AutoSeeded_RNG(u32bit poll_bits = 256);
+ AutoSeeded_RNG() { rng = &global_state().global_rng(); }
~AutoSeeded_RNG() { delete rng; }
private:
RandomNumberGenerator* rng;
diff --git a/src/rng/auto_rng/info.txt b/src/rng/auto_rng/info.txt
index 0f7cee282..6f98a65f4 100644
--- a/src/rng/auto_rng/info.txt
+++ b/src/rng/auto_rng/info.txt
@@ -1,6 +1,5 @@
define AUTO_SEEDING_RNG
<requires>
-hmac
-sha2
+libstate
</requires>