1 files changed, 43 insertions, 0 deletions
diff --git a/botan/src/pk_pad/emsa4/emsa4.h b/botan/src/pk_pad/emsa4/emsa4.h
new file mode 100644
index 0000000..b716178
--- /dev/null
+++ b/botan/src/pk_pad/emsa4/emsa4.h
@@ -0,0 +1,43 @@
+/*
+* EMSA4
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_EMSA4_H__
+#define BOTAN_EMSA4_H__
+
+#include <botan/emsa.h>
+#include <botan/hash.h>
+#include <botan/kdf.h>
+
+namespace Botan {
+
+/*
+* EMSA4
+*/
+class BOTAN_DLL EMSA4 : public EMSA
+   {
+   public:
+      EMSA4(HashFunction*);
+      EMSA4(HashFunction*, 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();
+
+      u32bit SALT_SIZE;
+      HashFunction* hash;
+      const MGF* mgf;
+   };
+
+}
+
+#endif