3 files changed, 0 insertions, 208 deletions
diff --git a/src/pubkey/dh/dh.cpp b/src/pubkey/dh/dh.cpp
deleted file mode 100644
index 55d53518a..000000000
--- a/src/pubkey/dh/dh.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
-* Diffie-Hellman
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/dh.h>
-#include <botan/numthry.h>
-#include <botan/workfactor.h>
-
-namespace Botan {
-
-/*
-* DH_PublicKey Constructor
-*/
-DH_PublicKey::DH_PublicKey(const DL_Group& grp, const BigInt& y1)
-   {
-   group = grp;
-   y = y1;
-   }
-
-/*
-* Return the public value for key agreement
-*/
-std::vector<byte> DH_PublicKey::public_value() const
-   {
-   return unlock(BigInt::encode_1363(y, group_p().bytes()));
-   }
-
-/*
-* Create a DH private key
-*/
-DH_PrivateKey::DH_PrivateKey(RandomNumberGenerator& rng,
-                             const DL_Group& grp,
-                             const BigInt& x_arg)
-   {
-   group = grp;
-   x = x_arg;
-
-   if(x == 0)
-      {
-      const BigInt& p = group_p();
-      x.randomize(rng, 2 * dl_work_factor(p.bits()));
-      }
-
-   if(y == 0)
-      y = power_mod(group_g(), x, group_p());
-
-   if(x == 0)
-      gen_check(rng);
-   else
-      load_check(rng);
-   }
-
-/*
-* Load a DH private key
-*/
-DH_PrivateKey::DH_PrivateKey(const AlgorithmIdentifier& alg_id,
-                             const secure_vector<byte>& key_bits,
-                             RandomNumberGenerator& rng) :
-   DL_Scheme_PrivateKey(alg_id, key_bits, DL_Group::ANSI_X9_42)
-   {
-   if(y == 0)
-      y = power_mod(group_g(), x, group_p());
-
-   load_check(rng);
-   }
-
-/*
-* Return the public value for key agreement
-*/
-std::vector<byte> DH_PrivateKey::public_value() const
-   {
-   return DH_PublicKey::public_value();
-   }
-
-DH_KA_Operation::DH_KA_Operation(const DH_PrivateKey& dh,
-                                 RandomNumberGenerator& rng) :
-   p(dh.group_p()), powermod_x_p(dh.get_x(), p)
-   {
-   BigInt k(rng, p.bits() - 1);
-   blinder = Blinder(k, powermod_x_p(inverse_mod(k, p)), p);
-   }
-
-secure_vector<byte> DH_KA_Operation::agree(const byte w[], size_t w_len)
-   {
-   BigInt input = BigInt::decode(w, w_len);
-
-   if(input <= 1 || input >= p - 1)
-      throw Invalid_Argument("DH agreement - invalid key provided");
-
-   BigInt r = blinder.unblind(powermod_x_p(blinder.blind(input)));
-
-   return BigInt::encode_1363(r, p.bytes());
-   }
-
-}
diff --git a/src/pubkey/dh/dh.h b/src/pubkey/dh/dh.h
deleted file mode 100644
index c670399d8..000000000
--- a/src/pubkey/dh/dh.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
-* Diffie-Hellman
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_DIFFIE_HELLMAN_H__
-#define BOTAN_DIFFIE_HELLMAN_H__
-
-#include <botan/dl_algo.h>
-#include <botan/pow_mod.h>
-#include <botan/blinding.h>
-#include <botan/pk_ops.h>
-
-namespace Botan {
-
-/**
-* This class represents Diffie-Hellman public keys.
-*/
-class BOTAN_DLL DH_PublicKey : public virtual DL_Scheme_PublicKey
-   {
-   public:
-      std::string algo_name() const { return "DH"; }
-
-      std::vector<byte> public_value() const;
-      size_t max_input_bits() const { return group_p().bits(); }
-
-      DL_Group::Format group_format() const { return DL_Group::ANSI_X9_42; }
-
-      DH_PublicKey(const AlgorithmIdentifier& alg_id,
-                   const secure_vector<byte>& key_bits) :
-         DL_Scheme_PublicKey(alg_id, key_bits, DL_Group::ANSI_X9_42) {}
-
-      /**
-      * Construct a public key with the specified parameters.
-      * @param grp the DL group to use in the key
-      * @param y the public value y
-      */
-      DH_PublicKey(const DL_Group& grp, const BigInt& y);
-   protected:
-      DH_PublicKey() {}
-   };
-
-/**
-* This class represents Diffie-Hellman private keys.
-*/
-class BOTAN_DLL DH_PrivateKey : public DH_PublicKey,
-                                public PK_Key_Agreement_Key,
-                                public virtual DL_Scheme_PrivateKey
-   {
-   public:
-      std::vector<byte> public_value() const;
-
-      /**
-      * Load a DH private key
-      * @param alg_id the algorithm id
-      * @param key_bits the subject public key
-      * @param rng a random number generator
-      */
-      DH_PrivateKey(const AlgorithmIdentifier& alg_id,
-                    const secure_vector<byte>& key_bits,
-                    RandomNumberGenerator& rng);
-
-      /**
-      * Construct a private key with predetermined value.
-      * @param rng random number generator to use
-      * @param grp the group to be used in the key
-      * @param x the key's secret value (or if zero, generate a new key)
-      */
-      DH_PrivateKey(RandomNumberGenerator& rng, const DL_Group& grp,
-                    const BigInt& x = 0);
-   };
-
-/**
-* DH operation
-*/
-class BOTAN_DLL DH_KA_Operation : public PK_Ops::Key_Agreement
-   {
-   public:
-      DH_KA_Operation(const DH_PrivateKey& key,
-                      RandomNumberGenerator& rng);
-
-      secure_vector<byte> agree(const byte w[], size_t w_len);
-   private:
-      const BigInt& p;
-
-      Fixed_Exponent_Power_Mod powermod_x_p;
-      Blinder blinder;
-   };
-
-}
-
-#endif
diff --git a/src/pubkey/dh/info.txt b/src/pubkey/dh/info.txt
deleted file mode 100644
index bb2707951..000000000
--- a/src/pubkey/dh/info.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-define DIFFIE_HELLMAN 20131128
-
-<header:public>
-dh.h
-</header:public>
-
-<source>
-dh.cpp
-</source>
-
-<requires>
-dl_algo
-dl_group
-libstate
-numbertheory
-</requires>