1 files changed, 71 insertions, 0 deletions
diff --git a/src/lib/pubkey/dlies/dlies.h b/src/lib/pubkey/dlies/dlies.h
new file mode 100644
index 000000000..9739afeb2
--- /dev/null
+++ b/src/lib/pubkey/dlies/dlies.h
@@ -0,0 +1,71 @@
+/*
+* DLIES
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_DLIES_H__
+#define BOTAN_DLIES_H__
+
+#include <botan/pubkey.h>
+#include <botan/mac.h>
+#include <botan/kdf.h>
+
+namespace Botan {
+
+/**
+* DLIES Encryption
+*/
+class BOTAN_DLL DLIES_Encryptor : public PK_Encryptor
+   {
+   public:
+      DLIES_Encryptor(const PK_Key_Agreement_Key&,
+                      KDF* kdf,
+                      MessageAuthenticationCode* mac,
+                      size_t mac_key_len = 20);
+
+      ~DLIES_Encryptor();
+
+      void set_other_key(const std::vector<byte>&);
+   private:
+      std::vector<byte> enc(const byte[], size_t,
+                            RandomNumberGenerator&) const;
+
+      size_t maximum_input_size() const;
+
+      std::vector<byte> other_key, my_key;
+
+      PK_Key_Agreement ka;
+      KDF* kdf;
+      MessageAuthenticationCode* mac;
+      size_t mac_keylen;
+   };
+
+/**
+* DLIES Decryption
+*/
+class BOTAN_DLL DLIES_Decryptor : public PK_Decryptor
+   {
+   public:
+      DLIES_Decryptor(const PK_Key_Agreement_Key&,
+                      KDF* kdf,
+                      MessageAuthenticationCode* mac,
+                      size_t mac_key_len = 20);
+
+      ~DLIES_Decryptor();
+
+   private:
+      secure_vector<byte> dec(const byte[], size_t) const;
+
+      std::vector<byte> my_key;
+
+      PK_Key_Agreement ka;
+      KDF* kdf;
+      MessageAuthenticationCode* mac;
+      size_t mac_keylen;
+   };
+
+}
+
+#endif