1 files changed, 55 insertions, 0 deletions
diff --git a/doc/examples/hasher.cpp b/doc/examples/hasher.cpp
new file mode 100644
index 000000000..e5c52ba55
--- /dev/null
+++ b/doc/examples/hasher.cpp
@@ -0,0 +1,55 @@
+/*
+* (C) 2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <botan/botan.h>
+
+int main(int argc, char* argv[])
+   {
+   if(argc < 2)
+      {
+      std::cout << "Usage: " << argv[0] << " <filenames>" << std::endl;
+      return 1;
+      }
+
+   Botan::LibraryInitializer init;
+
+   const int COUNT = 3;
+   std::string name[COUNT] = { "MD5", "SHA-1", "RIPEMD-160" };
+
+   for(int j = 1; argv[j] != 0; j++)
+      {
+      Botan::Filter* hash[COUNT] = {
+         new Botan::Chain(new Botan::Hash_Filter(name[0]),
+                          new Botan::Hex_Encoder),
+         new Botan::Chain(new Botan::Hash_Filter(name[1]),
+                          new Botan::Hex_Encoder),
+         new Botan::Chain(new Botan::Hash_Filter(name[2]),
+                          new Botan::Hex_Encoder)
+      };
+
+      Botan::Pipe pipe(new Botan::Fork(hash, COUNT));
+
+      std::ifstream file(argv[j], std::ios::binary);
+      if(!file)
+         {
+         std::cout << "ERROR: could not open " << argv[j] << std::endl;
+         continue;
+         }
+      pipe.start_msg();
+      file >> pipe;
+      pipe.end_msg();
+      file.close();
+      for(int k = 0; k != COUNT; k++)
+         {
+         pipe.set_default_msg(k);
+         std::cout << name[k] << "(" << argv[j] << ") = " << pipe << std::endl;
+         }
+      }
+   return 0;
+   }