Virgil Security Crypto library  2.2.2
VirgilOperationDH.h
1 
37 #ifndef VIRGIL_CRYPTO_VIRGIL_DH_H
38 #define VIRGIL_CRYPTO_VIRGIL_DH_H
39 
40 #include <virgil/crypto/VirgilByteArray.h>
41 
42 #include <memory>
43 
44 namespace virgil { namespace crypto { inline namespace primitive {
45 
52 private:
53  template<class Impl>
54  struct Model;
55 
56 public:
62  template<class Impl>
63  VirgilOperationDH(Impl impl) : self_(std::make_shared<Model<Impl>>(std::move(impl))) {}
64 
74  const VirgilByteArray& publicKey, const VirgilByteArray& privateKey,
75  const VirgilByteArray& privateKeyPassword = VirgilByteArray()) const {
76  return self_->doCalculate(publicKey, privateKey, privateKeyPassword);
77  }
78 
83 
84 private:
85  struct Concept {
86 
87  virtual VirgilByteArray doCalculate(
88  const VirgilByteArray& publicKey, const VirgilByteArray& privateKey,
89  const VirgilByteArray& privateKeyPassword) const = 0;
90  };
91 
92  template<class Impl>
93  struct Model : Concept {
94 
95  explicit Model(Impl impl) : impl_(std::move(impl)) {}
96 
97  VirgilByteArray doCalculate(
98  const VirgilByteArray& publicKey, const VirgilByteArray& privateKey,
99  const VirgilByteArray& privateKeyPassword) const override {
100 
101  return impl_.calculate(publicKey, privateKey, privateKeyPassword);
102  }
103 
104  private:
105  Impl impl_;
106  };
107 
108 private:
109  std::shared_ptr<const Concept> self_;
110 };
111 
112 }}}
113 
114 #endif //VIRGIL_CRYPTO_VIRGIL_DH_H
Definition: VirgilHash.h:265
Root namespace for all Virgil Security libraries.
Definition: VirgilAsn1Compatible.h:46
std::vector< unsigned char > VirgilByteArray
This type represents a sequence of bytes.
Definition: VirgilByteArray.h:54
static VirgilOperationDH getDefault()
Return default implementation.
VirgilByteArray calculate(const VirgilByteArray &publicKey, const VirgilByteArray &privateKey, const VirgilByteArray &privateKeyPassword=VirgilByteArray()) const
Compute shared key by using Diffie-Hellman algorithm.
Definition: VirgilOperationDH.h:73
Define proxy interface for the Diffie-Hellman functionality.
Definition: VirgilOperationDH.h:51
VirgilOperationDH(Impl impl)
Captures implementation object.
Definition: VirgilOperationDH.h:63