Chatting programm using PQC TLS

Prerequisite

sudo apt install cmake gcc libtool libssl-dev make ninja-build git qt5-default qt5-qmake

Git clone

git clone --branch main https://github.com/open-quantum-safe/liboqs.git
git clone https://github.com/open-quantum-safe/openssl.git
git clone [email protected]:pqcy/pqc-app.git

Build oqs

cd liboqs
mkdir build && cd build
cmake -GNinja -DCMAKE_INSTALL_PREFIX=../../openssl/oqs ..
ninja
ninja install
cd ../..

Build openssl

cd openssl
./config --debug
make -j
cd ..

Install header and library files

cp openssl/lib*.so* pqc-app/lib/
cp -r openssl/include/crypto pqc-app/include/
cp -r openssl/include/openssl pqc-app/include/
cp -r openssl/include/internal pqc-app/include/
cp -r openssl/oqs/include/oqs/ pqc-app/include/

Make and apply a SPHINCS+ PEM File

cd openssl
apps/openssl req -x509 -new -newkey sphincssha256128frobust -keyout spx_CA.key -out spx_CA.crt -nodes -subj "/CN=sphincs+ CA" -days 365 -config apps/openssl.cnf
cat spx_CA.key spx_CA.crt >> spx_CA.pem
cp ./spx_CA.pem ../pqc-app/bin/crt/

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Build

cd pqc-app
export LD_LIBRARY_PATH=$PWD/lib
cd app
qmake
make -j

Client Run

cd pqc-app/
export LD_LIBRARY_PATH=$PWD/lib
cd bin/
./chat

Server Run

cd pqc-app/
export LD_LIBRARY_PATH=$PWD/lib
cd bin/
./tlsserver-test 12345 crt/spx_CA.pem

Open a file that chat.pro with Qt creator (Open Project)

File Location - pqc-app/app/chat.pro
Qt creator's Projects tab - run tab - "Run as a root user" check
Now you can run the program