1 files changed, 50 insertions, 0 deletions
diff --git a/src/core/kdf.h b/src/core/kdf.h
new file mode 100644
index 000000000..7d0c1866b
--- /dev/null
+++ b/src/core/kdf.h
@@ -0,0 +1,50 @@
+/*************************************************
+* KDF/MGF Header File                            *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_KDF_BASE_H__
+#define BOTAN_KDF_BASE_H__
+
+#include <botan/secmem.h>
+#include <botan/types.h>
+
+namespace Botan {
+
+/*************************************************
+* Key Derivation Function                        *
+*************************************************/
+class BOTAN_DLL KDF
+   {
+   public:
+      SecureVector<byte> derive_key(u32bit, const MemoryRegion<byte>&,
+                                    const std::string& = "") const;
+      SecureVector<byte> derive_key(u32bit, const MemoryRegion<byte>&,
+                                    const MemoryRegion<byte>&) const;
+      SecureVector<byte> derive_key(u32bit, const MemoryRegion<byte>&,
+                                    const byte[], u32bit) const;
+
+      SecureVector<byte> derive_key(u32bit, const byte[], u32bit,
+                                    const std::string& = "") const;
+      SecureVector<byte> derive_key(u32bit, const byte[], u32bit,
+                                    const byte[], u32bit) const;
+
+      virtual ~KDF() {}
+   private:
+      virtual SecureVector<byte> derive(u32bit, const byte[], u32bit,
+                                        const byte[], u32bit) const = 0;
+   };
+
+/*************************************************
+* Mask Generation Function                       *
+*************************************************/
+class BOTAN_DLL MGF
+   {
+   public:
+      virtual void mask(const byte[], u32bit, byte[], u32bit) const = 0;
+      virtual ~MGF() {}
+   };
+
+}
+
+#endif