MastersThesis/README.md

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# MastersThesis
## Building
### LINUX
- testované na Ubuntu 20.04.5
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**1. Inštalácia potrebných nástrojov**
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```sudo apt install cmake gcc libtool libssl-dev make ninja-build git -y```
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**2. Stiahnutie Open Quantum Safe OpenSSL repozitáru**
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```git clone --branch OQS-OpenSSL_1_1_1-stable https://github.com/open-quantum-safe/openssl.git```
**3. Stiahnutie a inštalácia liboqs**
```
git clone --branch main https://github.com/open-quantum-safe/liboqs.git
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cd liboqs
mkdir build && cd build
cmake -GNinja -DCMAKE_INSTALL_PREFIX=../../openssl/oqs ..
ninja
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ninja install
```
**4. Build QS OpenSSL fork**
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```
cd ./openssl
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./Configure no-shared linux-x86_64 -DOQS_DEFAULT_GROUPS=\"kyber1024:p521_kyber1024:kyber90s1024:p521_kyber90s1024\" -lm
make -j 1
sudo make install
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```
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- prepínač `-DOQS_DEFAULT_GROUPS` umožňuje meniť key exchange algoritmy, ktoré bude server podporovať
- zoznam všetkých podporovaných algoritmov - https://github.com/open-quantum-safe/openssl#key-exchange
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**5. Vytvorenie CA kľúča a certifikátu**
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- v tomto príklade je *p256_dilithium2* hybridný algoritmus *dilithium2* s použitím P256 ECDH krivkou
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```
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cd ./openssl/apps
./openssl req -x509 -new -newkey p256_dilithium2 -keyout p256_dilithium2_CA.key -out p256_dilithium2_CA.crt -nodes -subj "/CN=oqstest CA" -days 365 -config ./openssl.cnf
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```
**6. Vygenerovanie privátneho kľúča pre server**
```
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./openssl req -new -newkey p256_dilithium2 -keyout p256_dilithium2_srv.key -out p256_dilithium2_srv.csr -nodes -subj "/CN=localhost" -config ./openssl.cnf
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```
**7. Vygenerovanie certifikátu s CA podpisom pre server**
```
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./openssl x509 -req -in p256_dilithium2_srv.csr -out p256_dilithium2_srv.crt -CA p256_dilithium2_CA.crt -CAkey p256_dilithium2_CA.key -CAcreateserial -days 365
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```
**8. Spustenie serveru a klienta**
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- oba programy je potrebné spustiť v samostatných oknách terminálu
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```
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./openssl s_server -cert p256_dilithium2_srv.crt -key p256_dilithium2_srv.key -www -tls1_3
./openssl s_client -groups kyber1024 -CAfile p256_dilithium2_CA.crt -connect localhost
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```
### WINDOWS
- testované na Windows 10.0.19043
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**1. Príprava prostredia
Perl - stiahnutie Perl-u strawberry-perl-5.32.1.1-64bit zo stránky https://strawberryperl.com/
Cmake - stihnutie CMake-u cmake-3.26.3-windows-x86_64 zo stránky https://cmake.org/download/
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NMAKE - tbd
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Pridanie premenných prostredia:
```
D:\Strawberry\perl\bin
D:\Program Files\CMake\bin
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D:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC\14.35.32215\bin\Hostx86\x86\nmake.exe
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```
pozn. v našom prípade premenná nepomohla a bolo nutné je nekonfigurovať manuálne v Powershelli príkazom
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`
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$env:path += ";D:\Program Files\cmake\bin"
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$env:path += ";d:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Tools\MSVC\14.35.32215\bin\Hostx86\x86\"
`
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**2. Stiahnutie OpenSSL, Open Quantum Safe OpenSSL repozitáru a liboqs**
OpenSSL - stiahnutie OpenSSL 1.1.1t zo stránky - https://www.openssl.org/source/
Stiahnutý súbor sme extrahovali do priečinka ProgramFiles a premenovali sme ho na openssl
OpenSSL OQS - stiahnutie OQS OpenSSL repozitáru z GITu - https://github.com/open-quantum-safe/openssl/tree/OQS-OpenSSL_1_1_1-stable
Presun stiahnutých súborov do openssl priečinku
Liboqs - stiahnutie súborov z GITu - https://github.com/open-quantum-safe/liboqs
**3. Príprava liboqs
- prípade chyby prístupu pri príkaze cmake alebo ninja je potrebné spustiť PowerShell ako administrátor
```
cd liboqs
mkdir build
cd build
cmake -GNinja -DCMAKE_INSTALL_PREFIX='D:\Program Files\openssl\openssl-OQS-OpenSSL_1_1_1-stable\oqs' ..
ninja
ninja install
```
**4. Build QS OpenSSL fork**
```
cd ./openssl
perl Configure VC-WIN64A no-shared
!!!nmake
```
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## References
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[Open quantum safe OpenSSL 1.1.1t](https://github.com/open-quantum-safe/openssl)