1 files changed, 49 insertions, 0 deletions
diff --git a/src/pbkdf/pgps2k/pgp_s2k.h b/src/pbkdf/pgps2k/pgp_s2k.h
new file mode 100644
index 000000000..9fb09af5a
--- /dev/null
+++ b/src/pbkdf/pgps2k/pgp_s2k.h
@@ -0,0 +1,49 @@
+/*
+* OpenPGP PBKDF
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_OPENPGP_S2K_H__
+#define BOTAN_OPENPGP_S2K_H__
+
+#include <botan/pbkdf.h>
+#include <botan/hash.h>
+
+namespace Botan {
+
+/**
+* OpenPGP's S2K
+*/
+class BOTAN_DLL OpenPGP_S2K : public PBKDF
+   {
+   public:
+      /**
+      * @param hash_in the hash function to use
+      */
+      OpenPGP_S2K(HashFunction* hash_in) : hash(hash_in) {}
+
+      ~OpenPGP_S2K() { delete hash; }
+
+      std::string name() const
+         {
+         return "OpenPGP-S2K(" + hash->name() + ")";
+         }
+
+      PBKDF* clone() const
+         {
+         return new OpenPGP_S2K(hash->clone());
+         }
+
+      OctetString derive_key(u32bit output_len,
+                             const std::string& passphrase,
+                             const byte salt[], u32bit salt_len,
+                             u32bit iterations) const;
+   private:
+      HashFunction* hash;
+   };
+
+}
+
+#endif