1 files changed, 106 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/pubkey/ecdh/ecdh.h b/src/libs/3rdparty/botan/src/lib/pubkey/ecdh/ecdh.h
new file mode 100644
index 0000000000..f88955ac40
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/pubkey/ecdh/ecdh.h
@@ -0,0 +1,106 @@
+/*
+* ECDH
+* (C) 2007 Falko Strenzke, FlexSecure GmbH
+*          Manuel Hartl, FlexSecure GmbH
+* (C) 2008-2010 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_ECDH_KEY_H_
+#define BOTAN_ECDH_KEY_H_
+
+#include <botan/ecc_key.h>
+
+namespace Botan {
+
+/**
+* This class represents ECDH Public Keys.
+*/
+class BOTAN_PUBLIC_API(2,0) ECDH_PublicKey : public virtual EC_PublicKey
+   {
+   public:
+      /**
+      * Create an ECDH public key.
+      * @param alg_id algorithm identifier
+      * @param key_bits DER encoded public key bits
+      */
+      ECDH_PublicKey(const AlgorithmIdentifier& alg_id,
+                     const std::vector<uint8_t>& key_bits) :
+         EC_PublicKey(alg_id, key_bits) {}
+
+      /**
+      * Construct a public key from a given public point.
+      * @param dom_par the domain parameters associated with this key
+      * @param public_point the public point defining this key
+      */
+      ECDH_PublicKey(const EC_Group& dom_par,
+                     const PointGFp& public_point) :
+         EC_PublicKey(dom_par, public_point) {}
+
+      /**
+      * Get this keys algorithm name.
+      * @return this keys algorithm name
+      */
+      std::string algo_name() const override { return "ECDH"; }
+
+      /**
+      * @return public point value
+      */
+      std::vector<uint8_t> public_value() const
+         { return public_point().encode(PointGFp::UNCOMPRESSED); }
+
+      /**
+      * @return public point value
+      */
+      std::vector<uint8_t> public_value(PointGFp::Compression_Type format) const
+         { return public_point().encode(format); }
+
+   protected:
+      ECDH_PublicKey() = default;
+   };
+
+/**
+* This class represents ECDH Private Keys.
+*/
+class BOTAN_PUBLIC_API(2,0) ECDH_PrivateKey final : public ECDH_PublicKey,
+                                  public EC_PrivateKey,
+                                  public PK_Key_Agreement_Key
+   {
+   public:
+
+      /**
+      * Load a private key.
+      * @param alg_id the X.509 algorithm identifier
+      * @param key_bits ECPrivateKey bits
+      */
+      ECDH_PrivateKey(const AlgorithmIdentifier& alg_id,
+                      const secure_vector<uint8_t>& key_bits) :
+         EC_PrivateKey(alg_id, key_bits) {}
+
+      /**
+      * Generate a new private key
+      * @param rng a random number generator
+      * @param domain parameters to used for this key
+      * @param x the private key; if zero, a new random key is generated
+      */
+      ECDH_PrivateKey(RandomNumberGenerator& rng,
+                      const EC_Group& domain,
+                      const BigInt& x = 0) :
+         EC_PrivateKey(rng, domain, x) {}
+
+      std::vector<uint8_t> public_value() const override
+         { return ECDH_PublicKey::public_value(PointGFp::UNCOMPRESSED); }
+
+      std::vector<uint8_t> public_value(PointGFp::Compression_Type type) const
+         { return ECDH_PublicKey::public_value(type); }
+
+      std::unique_ptr<PK_Ops::Key_Agreement>
+         create_key_agreement_op(RandomNumberGenerator& rng,
+                                 const std::string& params,
+                                 const std::string& provider) const override;
+   };
+
+}
+
+#endif