1 files changed, 81 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/pubkey/dh/dh.h b/src/libs/3rdparty/botan/src/lib/pubkey/dh/dh.h
new file mode 100644
index 00000000000..e3aa0d2c5b8
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/pubkey/dh/dh.h
@@ -0,0 +1,81 @@
+/*
+* Diffie-Hellman
+* (C) 1999-2007 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_DIFFIE_HELLMAN_H_
+#define BOTAN_DIFFIE_HELLMAN_H_
+
+#include <botan/dl_algo.h>
+
+namespace Botan {
+
+/**
+* This class represents Diffie-Hellman public keys.
+*/
+class BOTAN_PUBLIC_API(2,0) DH_PublicKey : public virtual DL_Scheme_PublicKey
+   {
+   public:
+      std::string algo_name() const override { return "DH"; }
+
+      std::vector<uint8_t> public_value() const;
+
+      DL_Group::Format group_format() const override { return DL_Group::ANSI_X9_42; }
+
+      /**
+      * Create a public key.
+      * @param alg_id the X.509 algorithm identifier
+      * @param key_bits DER encoded public key bits
+      */
+      DH_PublicKey(const AlgorithmIdentifier& alg_id,
+                   const std::vector<uint8_t>& 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() = default;
+   };
+
+/**
+* This class represents Diffie-Hellman private keys.
+*/
+class BOTAN_PUBLIC_API(2,0) DH_PrivateKey final : public DH_PublicKey,
+                                public PK_Key_Agreement_Key,
+                                public virtual DL_Scheme_PrivateKey
+   {
+   public:
+      std::vector<uint8_t> public_value() const override;
+
+      /**
+      * Load a private key.
+      * @param alg_id the X.509 algorithm identifier
+      * @param key_bits PKCS #8 structure
+      */
+      DH_PrivateKey(const AlgorithmIdentifier& alg_id,
+                    const secure_vector<uint8_t>& key_bits);
+
+      /**
+      * Create a private key.
+      * @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);
+
+      std::unique_ptr<PK_Ops::Key_Agreement>
+         create_key_agreement_op(RandomNumberGenerator& rng,
+                                 const std::string& params,
+                                 const std::string& provider) const override;
+   };
+
+}
+
+#endif