propagate from branch 'net.randombit.botan' (head b3515264af291b4785d3d296e2cc0e877ca7816a)

            to branch 'net.randombit.botan.c++0x' (head 66ca78008f08bb5efc2eca52a3d4501f02ffd736)

24 files changed, 293 insertions, 34 deletions

diff --git a/src/asn1/info.txt b/src/asn1/info.txt
index 621b8b628..d836b4c0b 100644
--- a/src/asn1/info.txt
+++ b/src/asn1/info.txt
@@ -26,5 +26,4 @@ alloc
 bigint
 filters
 oid_lookup
-timer
 </requires>
diff --git a/src/benchmark/benchmark.h b/src/benchmark/benchmark.h
index cc13ae58d..baabc14ca 100644
--- a/src/benchmark/benchmark.h
+++ b/src/benchmark/benchmark.h
@@ -12,14 +12,12 @@
 #include <botan/rng.h>
 #include <map>
 #include <string>
-
 namespace Botan {
 
 /**
 * Algorithm benchmark
 * @param name the name of the algorithm to test (cipher, hash, or MAC)
 * @param milliseconds total time for the benchmark to run
-* @param timer the timer to use
 * @param rng the rng to use to generate random inputs
 * @param af the algorithm factory used to create objects
 * @return results a map from provider to speed in mebibytes per second
diff --git a/src/build-data/os/aix.txt b/src/build-data/os/aix.txt
index 0063948c7..312377096 100644
--- a/src/build-data/os/aix.txt
+++ b/src/build-data/os/aix.txt
@@ -1,5 +1,9 @@
 os_type unix
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/beos.txt b/src/build-data/os/beos.txt
index b843bd525..f6a06b7af 100644
--- a/src/build-data/os/beos.txt
+++ b/src/build-data/os/beos.txt
@@ -5,6 +5,10 @@ header_dir ../develop/headers
 lib_dir system/lib
 doc_dir documentation
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/cygwin.txt b/src/build-data/os/cygwin.txt
index 7290648c2..f7c1f49ed 100644
--- a/src/build-data/os/cygwin.txt
+++ b/src/build-data/os/cygwin.txt
@@ -3,6 +3,10 @@ os_type unix
 install_root c:\Botan
 doc_dir docs
 
+<target_features>
+gettimeofday
+</target_features>
+
 # Cygwin supports shared libs fine, but there are problems with making a Botan
 # shared library when libraries it depends on are static-only (such as libz).
 # So until I can figure out a work-around, it's disabled.
diff --git a/src/build-data/os/darwin.txt b/src/build-data/os/darwin.txt
index fb18ee191..af60e1bed 100644
--- a/src/build-data/os/darwin.txt
+++ b/src/build-data/os/darwin.txt
@@ -8,6 +8,10 @@ ar_needs_ranlib yes
 
 doc_dir doc
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/dragonfly.txt b/src/build-data/os/dragonfly.txt
index 6823de5b6..7a002a65d 100644
--- a/src/build-data/os/dragonfly.txt
+++ b/src/build-data/os/dragonfly.txt
@@ -1,6 +1,8 @@
 os_type unix
 
 <target_features>
+clock_gettime
+gettimeofday
 posix_mlock
 </target_features>
 
diff --git a/src/build-data/os/freebsd.txt b/src/build-data/os/freebsd.txt
index 6823de5b6..3bcf58d62 100644
--- a/src/build-data/os/freebsd.txt
+++ b/src/build-data/os/freebsd.txt
@@ -2,6 +2,7 @@ os_type unix
 
 <target_features>
 posix_mlock
+gettimeofday
 </target_features>
 
 <supports_shared>
diff --git a/src/build-data/os/hpux.txt b/src/build-data/os/hpux.txt
index 9ff0f7f62..e7aa30e9c 100644
--- a/src/build-data/os/hpux.txt
+++ b/src/build-data/os/hpux.txt
@@ -2,6 +2,10 @@ os_type unix
 
 so_suffix sl
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/irix.txt b/src/build-data/os/irix.txt
index 0063948c7..312377096 100644
--- a/src/build-data/os/irix.txt
+++ b/src/build-data/os/irix.txt
@@ -1,5 +1,9 @@
 os_type unix
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/linux.txt b/src/build-data/os/linux.txt
index 3a92f9dd7..b3c227533 100644
--- a/src/build-data/os/linux.txt
+++ b/src/build-data/os/linux.txt
@@ -1,6 +1,8 @@
 os_type unix
 
 <target_features>
+clock_gettime
+gettimeofday
 posix_mlock
 </target_features>
 
diff --git a/src/build-data/os/netbsd.txt b/src/build-data/os/netbsd.txt
index 0063948c7..312377096 100644
--- a/src/build-data/os/netbsd.txt
+++ b/src/build-data/os/netbsd.txt
@@ -1,5 +1,9 @@
 os_type unix
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/openbsd.txt b/src/build-data/os/openbsd.txt
index 0063948c7..312377096 100644
--- a/src/build-data/os/openbsd.txt
+++ b/src/build-data/os/openbsd.txt
@@ -1,5 +1,9 @@
 os_type unix
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/qnx.txt b/src/build-data/os/qnx.txt
index 0063948c7..312377096 100644
--- a/src/build-data/os/qnx.txt
+++ b/src/build-data/os/qnx.txt
@@ -1,5 +1,9 @@
 os_type unix
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/build-data/os/solaris.txt b/src/build-data/os/solaris.txt
index 47b06dcc4..df951d4fc 100644
--- a/src/build-data/os/solaris.txt
+++ b/src/build-data/os/solaris.txt
@@ -2,6 +2,7 @@ os_type unix
 
 <target_features>
 posix_mlock
+gettimeofday
 </target_features>
 
 <supports_shared>
diff --git a/src/build-data/os/tru64.txt b/src/build-data/os/tru64.txt
index 8fc301d79..677c38955 100644
--- a/src/build-data/os/tru64.txt
+++ b/src/build-data/os/tru64.txt
@@ -1,5 +1,9 @@
 os_type unix
 
+<target_features>
+gettimeofday
+</target_features>
+
 <supports_shared>
 all
 </supports_shared>
diff --git a/src/entropy/hres_timer/hres_timer.cpp b/src/entropy/hres_timer/hres_timer.cpp
new file mode 100644
index 000000000..74ea801c4
--- /dev/null
+++ b/src/entropy/hres_timer/hres_timer.cpp
@@ -0,0 +1,70 @@
+/*
+* High Resolution Timestamp Entropy Source
+* (C) 1999-2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/hres_timer.h>
+#include <botan/cpuid.h>
+#include <botan/time.h>
+
+#if defined(BOTAN_TARGET_OS_IS_WINDOWS)
+  #include <windows.h>
+#endif
+
+namespace Botan {
+
+/*
+* Get the timestamp
+*/
+void High_Resolution_Timestamp::poll(Entropy_Accumulator& accum)
+   {
+   // If Windows, grab the Performance Counter (usually TSC or PIT)
+#if defined(BOTAN_TARGET_OS_IS_WINDOWS)
+   LARGE_INTEGER tv;
+   ::QueryPerformanceCounter(&tv);
+   accum.add(tv.QuadPart, 0);
+#endif
+
+#if defined(BOTAN_USE_GCC_INLINE_ASM)
+
+   u64bit rtc = 0;
+
+#if defined(BOTAN_TARGET_ARCH_IS_IA32) || defined(BOTAN_TARGET_ARCH_IS_AMD64)
+   if(CPUID::has_rdtsc()) // not availble on all x86 CPUs
+      {
+      u32bit rtc_low = 0, rtc_high = 0;
+      asm volatile("rdtsc" : "=d" (rtc_high), "=a" (rtc_low));
+      rtc = (static_cast<u64bit>(rtc_high) << 32) | rtc_low;
+      }
+
+#elif defined(BOTAN_TARGET_ARCH_IS_PPC) || defined(BOTAN_TARGET_ARCH_IS_PPC64)
+   u32bit rtc_low = 0, rtc_high = 0;
+   asm volatile("mftbu %0; mftb %1" : "=r" (rtc_high), "=r" (rtc_low));
+   rtc = (static_cast<u64bit>(rtc_high) << 32) | rtc_low;
+
+#elif defined(BOTAN_TARGET_ARCH_IS_ALPHA)
+   asm volatile("rpcc %0" : "=r" (rtc));
+
+#elif defined(BOTAN_TARGET_ARCH_IS_SPARC64)
+   asm volatile("rd %%tick, %0" : "=r" (rtc));
+
+#elif defined(BOTAN_TARGET_ARCH_IS_IA64)
+   asm volatile("mov %0=ar.itc" : "=r" (rtc));
+
+#elif defined(BOTAN_TARGET_ARCH_IS_S390X)
+   asm volatile("stck 0(%0)" : : "a" (&rtc) : "memory", "cc");
+
+#elif defined(BOTAN_TARGET_ARCH_IS_HPPA)
+   asm volatile("mfctl 16,%0" : "=r" (rtc)); // 64-bit only?
+
+#endif
+
+   // Don't count the timestamp as contributing entropy
+   accum.add(rtc, 0);
+
+#endif
+   }
+
+}
diff --git a/src/entropy/hres_timer/hres_timer.h b/src/entropy/hres_timer/hres_timer.h
new file mode 100644
index 000000000..8dfbfc2d7
--- /dev/null
+++ b/src/entropy/hres_timer/hres_timer.h
@@ -0,0 +1,27 @@
+/*
+* High Resolution Timestamp Entropy Source
+* (C) 1999-2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_ENTROPY_SRC_HRES_TIMER_H__
+#define BOTAN_ENTROPY_SRC_HRES_TIMER_H__
+
+#include <botan/entropy_src.h>
+
+namespace Botan {
+
+/*
+* High Resolution Timestamp Source
+*/
+class BOTAN_DLL High_Resolution_Timestamp : public EntropySource
+   {
+   public:
+      std::string name() const { return "High Resolution Timestamp"; }
+      void poll(Entropy_Accumulator& accum);
+   };
+
+}
+
+#endif
diff --git a/src/entropy/hres_timer/info.txt b/src/entropy/hres_timer/info.txt
new file mode 100644
index 000000000..566ce4ef6
--- /dev/null
+++ b/src/entropy/hres_timer/info.txt
@@ -0,0 +1,28 @@
+define ENTROPY_SRC_HIGH_RESOLUTION_TIMER
+
+load_on asm_ok
+
+<cc>
+gcc
+icc
+</cc>
+
+<arch>
+
+# RDTSC: Pentium and up
+i586
+i686
+athlon
+pentium3
+pentium4
+pentium-m
+amd64
+
+ppc     # PPC timebase register
+ppc64   # PPC timebase register
+alpha   # rpcc
+sparc64 # %tick register
+ia64    # ar.itc
+s390x
+hppa
+</arch>
diff --git a/src/rng/auto_rng/auto_rng.cpp b/src/rng/auto_rng/auto_rng.cpp
index f02a9249f..6906d9d17 100644
--- a/src/rng/auto_rng/auto_rng.cpp
+++ b/src/rng/auto_rng/auto_rng.cpp
@@ -7,7 +7,6 @@
 
 #include <botan/auto_rng.h>
 #include <botan/parsing.h>
-#include <botan/timer.h>
 #include <botan/hmac.h>
 #include <botan/sha2_32.h>
 #include <botan/sha2_64.h>
@@ -28,20 +27,8 @@
   #include <botan/aes.h>
 #endif
 
-#if defined(BOTAN_HAS_TIMER_HARDWARE)
-  #include <botan/tm_hard.h>
-#endif
-
-#if defined(BOTAN_HAS_TIMER_POSIX)
-  #include <botan/tm_posix.h>
-#endif
-
-#if defined(BOTAN_HAS_TIMER_UNIX)
-  #include <botan/tm_unix.h>
-#endif
-
-#if defined(BOTAN_HAS_TIMER_WIN32)
-  #include <botan/tm_win32.h>
+#if defined(BOTAN_HAS_ENTROPY_SRC_HIGH_RESOLUTION_TIMER)
+  #include <botan/hres_timer.h>
 #endif
 
 #if defined(BOTAN_HAS_ENTROPY_SRC_DEVICE)
@@ -81,16 +68,8 @@ namespace {
 */
 void add_entropy_sources(RandomNumberGenerator* rng)
    {
-
-   // Add a high resolution timer, if available
-#if defined(BOTAN_HAS_TIMER_HARDWARE)
-   rng->add_entropy_source(new Hardware_Timer);
-#elif defined(BOTAN_HAS_TIMER_POSIX)
-   rng->add_entropy_source(new POSIX_Timer);
-#elif defined(BOTAN_HAS_TIMER_UNIX)
-   rng->add_entropy_source(new Unix_Timer);
-#elif defined(BOTAN_HAS_TIMER_WIN32)
-   rng->add_entropy_source(new Win32_Timer);
+#if defined(BOTAN_HAS_ENTROPY_SRC_HIGH_RESOLUTION_TIMER)
+   rng->add_entropy_source(new High_Resolution_Timestamp);
 #endif
 
 #if defined(BOTAN_HAS_ENTROPY_SRC_DEVICE)
diff --git a/src/rng/randpool/randpool.cpp b/src/rng/randpool/randpool.cpp
index f4ce84079..18a3b49a0 100644
--- a/src/rng/randpool/randpool.cpp
+++ b/src/rng/randpool/randpool.cpp
@@ -50,14 +50,9 @@ void Randpool::randomize(byte out[], u32bit length)
 */
 void Randpool::update_buffer()
    {
-   const u64bit timestamp =
-      std::chrono::duration_cast<std::chrono::nanoseconds>(
-         std::chrono::high_resolution_clock::now().time_since_epoch()).count();
-
    for(u32bit i = 0; i != counter.size(); ++i)
       if(++counter[i])
          break;
-   store_be(timestamp, counter + 4);
 
    mac->update(static_cast<byte>(GEN_OUTPUT));
    mac->update(counter, counter.size());
diff --git a/src/utils/info.txt b/src/utils/info.txt
index 3d024fa09..110afeb64 100644
--- a/src/utils/info.txt
+++ b/src/utils/info.txt
@@ -3,5 +3,5 @@ define UTIL_FUNCTIONS
 load_on always
 
 <libs>
-tru64 -> rt
+linux,tru64 -> rt
 </libs>
diff --git a/src/utils/time.cpp b/src/utils/time.cpp
new file mode 100644
index 000000000..856b1c7be
--- /dev/null
+++ b/src/utils/time.cpp
@@ -0,0 +1,87 @@
+/**
+* Time Functions
+* (C) 1999-2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/time.h>
+#include <botan/exceptn.h>
+#include <ctime>
+
+#if defined(BOTAN_TARGET_OS_HAS_GETTIMEOFDAY)
+  #include <sys/time.h>
+#endif
+
+#if defined(BOTAN_TARGET_OS_HAS_CLOCK_GETTIME)
+
+#ifndef _POSIX_C_SOURCE
+  #define _POSIX_C_SOURCE 199309
+#endif
+
+#include <time.h>
+
+#ifndef CLOCK_REALTIME
+  #define CLOCK_REALTIME 0
+#endif
+
+#endif
+
+namespace Botan {
+
+namespace {
+
+/**
+* Combine a two time values into a single one
+*/
+u64bit combine_timers(u32bit seconds, u32bit parts, u32bit parts_hz)
+   {
+   static const u64bit NANOSECONDS_UNITS = 1000000000;
+
+   u64bit res = seconds * NANOSECONDS_UNITS;
+   res += parts * (NANOSECONDS_UNITS / parts_hz);
+   return res;
+   }
+
+}
+
+/**
+* Get the system clock
+*/
+u64bit system_time()
+   {
+   return static_cast<u64bit>(std::time(0));
+   }
+
+/*
+* Convert a time_t to a struct tm
+*/
+std::tm time_t_to_tm(u64bit timer)
+   {
+   std::time_t time_val = static_cast<std::time_t>(timer);
+
+   std::tm* tm_p = std::gmtime(&time_val);
+   if (tm_p == 0)
+      throw Encoding_Error("time_t_to_tm could not convert");
+   return (*tm_p);
+   }
+
+u64bit get_nanoseconds_clock()
+   {
+#if defined(BOTAN_TARGET_OS_HAS_CLOCK_GETTIME)
+   struct ::timespec tv;
+   ::clock_gettime(CLOCK_REALTIME, &tv);
+   return combine_timers(tv.tv_sec, tv.tv_nsec, 1000000000);
+
+#elif defined(BOTAN_TARGET_OS_HAS_GETTIMEOFDAY)
+   struct ::timeval tv;
+   ::gettimeofday(&tv, 0);
+   return combine_timers(tv.tv_sec, tv.tv_usec, 1000000);
+
+#else
+   return combine_timers(std::time(0), std::clock(), CLOCKS_PER_SEC);
+
+#endif
+   }
+
+}
diff --git a/src/utils/time.h b/src/utils/time.h
new file mode 100644
index 000000000..c7f459096
--- /dev/null
+++ b/src/utils/time.h
@@ -0,0 +1,30 @@
+/**
+* Time Functions
+* (C) 1999-2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_TIME_H__
+#define BOTAN_TIME_H__
+
+#include <botan/types.h>
+#include <ctime>
+
+namespace Botan {
+
+/*
+* Time Access/Conversion Functions
+*/
+BOTAN_DLL u64bit system_time();
+
+BOTAN_DLL std::tm time_t_to_tm(u64bit);
+
+/**
+@return nanoseconds resolution timestamp, unknown epoch
+*/
+BOTAN_DLL u64bit get_nanoseconds_clock();
+
+}
+
+#endif