1 files changed, 63 insertions, 0 deletions
diff --git a/botan/src/pubkey/nr/nr.h b/botan/src/pubkey/nr/nr.h
new file mode 100644
index 0000000..144c5ec
--- /dev/null
+++ b/botan/src/pubkey/nr/nr.h
@@ -0,0 +1,63 @@
+/*
+* Nyberg-Rueppel
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_NYBERG_RUEPPEL_H__
+#define BOTAN_NYBERG_RUEPPEL_H__
+
+#include <botan/dl_algo.h>
+#include <botan/nr_core.h>
+
+namespace Botan {
+
+/*
+* Nyberg-Rueppel Public Key
+*/
+class BOTAN_DLL NR_PublicKey : public PK_Verifying_with_MR_Key,
+                               public virtual DL_Scheme_PublicKey
+   {
+   public:
+      std::string algo_name() const { return "NR"; }
+
+      SecureVector<byte> verify(const byte[], u32bit) const;
+      u32bit max_input_bits() const;
+
+      DL_Group::Format group_format() const { return DL_Group::ANSI_X9_57; }
+      u32bit message_parts() const { return 2; }
+      u32bit message_part_size() const;
+
+      NR_PublicKey() {}
+      NR_PublicKey(const DL_Group&, const BigInt&);
+   protected:
+      NR_Core core;
+   private:
+      void X509_load_hook();
+   };
+
+/*
+* Nyberg-Rueppel Private Key
+*/
+class BOTAN_DLL NR_PrivateKey : public NR_PublicKey,
+                                public PK_Signing_Key,
+                                public virtual DL_Scheme_PrivateKey
+   {
+   public:
+      SecureVector<byte> sign(const byte[], u32bit,
+                              RandomNumberGenerator& rng) const;
+
+      bool check_key(RandomNumberGenerator& rng, bool) const;
+
+      NR_PrivateKey() {}
+
+      NR_PrivateKey(RandomNumberGenerator&, const DL_Group&,
+                    const BigInt& = 0);
+   private:
+      void PKCS8_load_hook(RandomNumberGenerator&, bool = false);
+   };
+
+}
+
+#endif