1 files changed, 67 insertions, 0 deletions
diff --git a/include/dl_algo.h b/include/dl_algo.h
new file mode 100644
index 000000000..ccb8a05a0
--- /dev/null
+++ b/include/dl_algo.h
@@ -0,0 +1,67 @@
+/*************************************************
+* DL Scheme Header File                          *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_DL_ALGO_H__
+#define BOTAN_DL_ALGO_H__
+
+#include <botan/dl_group.h>
+#include <botan/x509_key.h>
+#include <botan/pkcs8.h>
+
+namespace Botan {
+
+/*************************************************
+* DL Public Key                                  *
+*************************************************/
+class DL_Scheme_PublicKey : public virtual X509_PublicKey
+   {
+   public:
+      bool check_key(bool) const;
+
+      const DL_Group& get_domain() const { return group; }
+      const BigInt& get_y() const { return y; }
+
+      virtual ~DL_Scheme_PublicKey() {}
+   protected:
+      const BigInt& group_p() const { return group.get_p(); }
+      const BigInt& group_q() const { return group.get_q(); }
+      const BigInt& group_g() const { return group.get_g(); }
+
+      BigInt y;
+      DL_Group group;
+   private:
+      MemoryVector<byte> DER_encode_pub() const;
+      MemoryVector<byte> DER_encode_params() const;
+      void BER_decode_pub(DataSource&);
+      void BER_decode_params(DataSource&);
+
+      virtual DL_Group::Format group_format() const = 0;
+      virtual void X509_load_hook() {}
+   };
+
+/*************************************************
+* DL Private Key                                 *
+*************************************************/
+class DL_Scheme_PrivateKey : public virtual DL_Scheme_PublicKey,
+                             public virtual PKCS8_PrivateKey
+   {
+   public:
+      bool check_key(bool) const;
+
+      const BigInt& get_x() const { return x; }
+
+      virtual ~DL_Scheme_PrivateKey() {}
+   protected:
+      BigInt x;
+   private:
+      SecureVector<byte> DER_encode_priv() const;
+      void BER_decode_priv(DataSource&);
+
+      virtual void PKCS8_load_hook() {}
+   };
+
+}
+
+#endif