1 files changed, 60 insertions, 0 deletions
diff --git a/botan/src/kdf/kdf.h b/botan/src/kdf/kdf.h
new file mode 100644
index 0000000..70f636b
--- /dev/null
+++ b/botan/src/kdf/kdf.h
@@ -0,0 +1,60 @@
+/*
+* KDF/MGF
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#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 key_len,
+                                    const MemoryRegion<byte>& secret,
+                                    const std::string& salt = "") const;
+      SecureVector<byte> derive_key(u32bit key_len,
+                                    const MemoryRegion<byte>& secret,
+                                    const MemoryRegion<byte>& salt) const;
+
+      SecureVector<byte> derive_key(u32bit key_len,
+                                    const MemoryRegion<byte>& secret,
+                                    const byte salt[], u32bit salt_len) const;
+
+      SecureVector<byte> derive_key(u32bit key_len,
+                                    const byte secret[], u32bit secret_len,
+                                    const std::string& salt = "") const;
+      SecureVector<byte> derive_key(u32bit key_len,
+                                    const byte secret[], u32bit secret_len,
+                                    const byte salt[], u32bit salt_len) 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 in[], u32bit in_len,
+                        byte out[], u32bit out_len) const = 0;
+
+      virtual ~MGF() {}
+   };
+
+}
+
+#endif