1 files changed, 38 insertions, 0 deletions
diff --git a/src/pk_pad/emsa4/emsa4.h b/src/pk_pad/emsa4/emsa4.h
new file mode 100644
index 000000000..f4d4a4b6d
--- /dev/null
+++ b/src/pk_pad/emsa4/emsa4.h
@@ -0,0 +1,38 @@
+/*************************************************
+* EMSA4 Header File                              *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_EMSA4_H__
+#define BOTAN_EMSA4_H__
+
+#include <botan/pk_util.h>
+
+namespace Botan {
+
+/*************************************************
+* EMSA4                                          *
+*************************************************/
+class BOTAN_DLL EMSA4 : public EMSA
+   {
+   public:
+      EMSA4(const std::string&, const std::string&);
+      EMSA4(const std::string&, const std::string&, u32bit);
+      ~EMSA4() { delete hash; delete mgf; }
+   private:
+      void update(const byte[], u32bit);
+      SecureVector<byte> raw_data();
+
+      SecureVector<byte> encoding_of(const MemoryRegion<byte>&, u32bit,
+                                     RandomNumberGenerator& rng);
+      bool verify(const MemoryRegion<byte>&, const MemoryRegion<byte>&,
+                  u32bit) throw();
+
+      const u32bit SALT_SIZE;
+      HashFunction* hash;
+      const MGF* mgf;
+   };
+
+}
+
+#endif