including decrypt inside cryptocontext class

include/pke/cryptocontext_wrapper.h

@@ -28,4 +28,7 @@ Ciphertext<DCRTPoly> EvalFastRotationWrapper(CryptoContext<DCRTPoly>& self,
                                               const usint m,
                                               ConstCiphertext<DCRTPoly> digits);
 
+Plaintext DecryptWrapper(CryptoContext<DCRTPoly>& self,
+Ciphertext<DCRTPoly> ciphertext,const PrivateKey<DCRTPoly> privateKey);
+
 #endif // OPENFHE_CRYPTOCONTEXT_BINDINGS_H

src/bindings.cpp

@@ -83,6 +83,7 @@ void bind_crypto_context(py::module &m)
         .def("EvalFastRotation", &EvalFastRotationWrapper)
         .def("Encrypt", static_cast<Ciphertext<DCRTPoly> (CryptoContextImpl<DCRTPoly>::*)(const PublicKey<DCRTPoly>, Plaintext) const>(&CryptoContextImpl<DCRTPoly>::Encrypt),
              "Encrypt a plaintext using public key")
+        .def("Decrypt",&DecryptWrapper,"Decrypt a ciphertext using private key")
         .def("EvalAdd", static_cast<Ciphertext<DCRTPoly> (CryptoContextImpl<DCRTPoly>::*)(ConstCiphertext<DCRTPoly>, ConstCiphertext<DCRTPoly>) const>(&CryptoContextImpl<DCRTPoly>::EvalAdd), "Add two ciphertexts")
         .def("EvalAdd", static_cast<Ciphertext<DCRTPoly> (CryptoContextImpl<DCRTPoly>::*)(ConstCiphertext<DCRTPoly>, double) const>(&CryptoContextImpl<DCRTPoly>::EvalAdd), "Add a ciphertext with a scalar")
         .def("EvalSub", static_cast<Ciphertext<DCRTPoly> (CryptoContextImpl<DCRTPoly>::*)(ConstCiphertext<DCRTPoly>, ConstCiphertext<DCRTPoly>) const>(&CryptoContextImpl<DCRTPoly>::EvalSub), "Subtract two ciphertexts")

src/pke/cryptocontext_wrapper.cpp

@@ -36,4 +36,12 @@ Ciphertext<DCRTPoly> EvalFastRotationWrapper(CryptoContext<DCRTPoly>& self,Const
         std::vector<DCRTPoly> digitsElements = digits->GetElements();
         std::shared_ptr<std::vector<DCRTPoly>> digitsElementsPtr = std::make_shared<std::vector<DCRTPoly>>(digitsElements);
         return self->EvalFastRotation(ciphertext, index, m, digitsElementsPtr);
-    }
+    }
+
+
+Plaintext DecryptWrapper(CryptoContext<DCRTPoly>& self,Ciphertext<DCRTPoly> ciphertext,const PrivateKey<DCRTPoly> privateKey){
+    Plaintext plaintextDecResult;
+    //auto cc = ciphertext->GetCryptoContext();
+    self->Decrypt(privateKey, ciphertext,&plaintextDecResult);
+    return plaintextDecResult;
+}

src/pke/decryption.cpp

@@ -7,12 +7,12 @@ using namespace lbcrypto;
 namespace py = pybind11;
 
 template<typename Element>
-Plaintext DecryptWrapper(Ciphertext<Element> ciphertext,const PrivateKey<Element> privateKey){
+Plaintext DecryptWrapper_standalone(Ciphertext<Element> ciphertext,const PrivateKey<Element> privateKey){
     Plaintext plaintextDecResult;
     auto cc = ciphertext->GetCryptoContext();
     cc->Decrypt(privateKey, ciphertext,&plaintextDecResult);
     return plaintextDecResult;
 }
 void bind_decryption(py::module &m){
-    m.def("Decrypt",&DecryptWrapper<DCRTPoly>,"Decrypt a ciphertext using private key");
+    m.def("Decrypt",&DecryptWrapper_standalone<DCRTPoly>,"Decrypt a ciphertext using private key");
 }