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75 lines
2.2 KiB
Markdown
75 lines
2.2 KiB
Markdown
# PQ Crypto Catalog
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This is a repository of post-quantum schemes copied from the submission to the NIST Post-Quantum Standardization. The sources were initially based on the PQClean project to form a new library. The goal of the library is to be used mainly for experimentation or implementation of various PoC related to migration to post-quantum cryptography.
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Users shouldn't expect any level of security provided by this code. The library is not meant to be used on live production systems.
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## Schemes
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### Key Encapsulation Mechanisms
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**Finalists:**
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* Kyber
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* NTRU
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* SABER
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**Alternate candidates:**
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* FrodoKEM
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### Signature schemes
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**Finalists:**
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* Dilithium
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* Falcon
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* Rainbow
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**Alternate candidates:**
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* SPHINCS+
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## Building
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CMake is used to build the library:
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```
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mkdir build
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cd build
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cmake -DCMAKE_BUILD_TYPE=Release ..
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make
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```
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Build outputs two libraries, a static ``libpqc_s.a`` and dynamic ``libpqc.so``, which can be linked with a project.
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## API
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Library provides simple API, wrapping PQClean. For example to use KEM, one should call the library in following way:
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```c
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#include <pqc/pqc.h>
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std::vector<uint8_t> ct(ciphertext_bsz(p));
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std::vector<uint8_t> ss1(shared_secret_bsz(p));
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std::vector<uint8_t> ss2(shared_secret_bsz(p));
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std::vector<uint8_t> sk(private_key_bsz(p));
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std::vector<uint8_t> pk(public_key_bsz(p));
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const params_t *p = pqc_kem_alg_by_id(KYBER512);
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pqc_keygen(p, pk.data(), sk.data());
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pqc_kem_encapsulate(p, ct.data(), ss1.data(), pk.data());
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pqc_kem_decapsulate(p, ss2.data(), ct.data(), sk.data());
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const params_t *p = pqc_sig_alg_by_id(DILITHIUM2);
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size_t sigsz = sig.capacity();
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pqc_keygen(p, pk.data(), sk.data());
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pqc_sig_create(p, sig.data(), &sigsz, msg.data(), msg.size(), sk.data());
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pqc_sig_verify(p, sig.data(), sig.size(), msg.data(), msg.size(), pk.data());
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```
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See test implemetnation in ``test/ut.cpp`` for more details.
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## Rust binding
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Rust bindgings are provided in the ``src/rustapi/pqc-sys`` and can be regenerated automatically by running ``cargo build`` in this directory.
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## Testing
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Algorithms are tested against KATs, by the runner implemented in the ``teste/katrunner``. The runner uses ``katwalk`` crate.
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