1 files changed, 115 insertions, 0 deletions
diff --git a/old/botan/doc/examples/test_es.cpp b/old/botan/doc/examples/test_es.cpp
new file mode 100644
index 0000000..951d51a
--- /dev/null
+++ b/old/botan/doc/examples/test_es.cpp
@@ -0,0 +1,115 @@
+#include <botan/botan.h>
+#include <stdio.h>
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_DEVICE)
+  #include <botan/es_dev.h>
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_EGD)
+  #include <botan/es_egd.h>
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_UNIX)
+  #include <botan/es_unix.h>
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_BEOS)
+  #include <botan/es_beos.h>
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_CAPI)
+  #include <botan/es_capi.h>
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_WIN32)
+  #include <botan/es_win32.h>
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_FTW)
+  #include <botan/es_ftw.h>
+#endif
+
+
+using namespace Botan;
+
+class Saver_Of_Bytes : public Entropy_Accumulator
+   {
+   public:
+      Saver_Of_Bytes(u32bit bits) :
+         Entropy_Accumulator(bits), outbuf(64), written(0) {}
+
+      void add_bytes(const byte in[], u32bit length)
+         {
+         for(size_t i = 0; i != length; ++i)
+            outbuf[i % outbuf.size()] ^= in[i];
+
+         written += length;
+         }
+
+      void trunc() { if(written < 64) outbuf.resize(written); }
+
+      std::vector<byte> outbuf;
+      u32bit written;
+   };
+
+void test_entropy_source(EntropySource* es)
+   {
+   // sometimes iostreams really is just a pain
+
+   printf("Polling '%s':\n", es->name().c_str());
+
+   Saver_Of_Bytes accum(128);
+
+   es->poll(accum);
+
+   accum.trunc();
+
+   printf("Got %d bytes\n", accum.written);
+   for(size_t i = 0; i != accum.outbuf.size(); ++i)
+      printf("%02X", accum.outbuf[i]);
+   printf("\n");
+
+   delete es;
+   }
+
+int main()
+   {
+   Botan::LibraryInitializer init;
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_DEVICE)
+   test_entropy_source(
+      new Device_EntropySource(
+         split_on("/dev/random:/dev/srandom:/dev/urandom", ':')
+         )
+      );
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_EGD)
+   test_entropy_source(
+      new EGD_EntropySource(split_on("/var/run/egd-pool:/dev/egd-pool", ':'))
+      );
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_CAPI)
+   test_entropy_source(new Win32_CAPI_EntropySource);
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_FTW)
+   test_entropy_source(new FTW_EntropySource("/proc"));
+#endif
+
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_WIN32)
+   test_entropy_source(new Win32_EntropySource);
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_BEOS)
+   test_entropy_source(new BeOS_EntropySource);
+#endif
+
+#if defined(BOTAN_HAS_ENTROPY_SRC_UNIX)
+   test_entropy_source(
+      new Unix_EntropySource(split_on("/bin:/sbin:/usr/bin:/usr/sbin", ':'))
+      );
+#endif
+   }