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52 lines
1.6 KiB
Markdown
52 lines
1.6 KiB
Markdown
# PQ Crypto Catalog
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This is a repository of post-quantum schemes coppied from the submission to the NIST Post-Quantum Standarization. The sources were cloned from the PQClean project to form new library. The goal of the library is mainly experimentation.
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## Schemes
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### Key Encapsulation Mechanisms
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**Finalists:**
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* Classic McEliece
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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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* HQC
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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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Implementations previously available in PQClean and dropped in Round 3 of the NIST standardization effort are available in the [`round2` tag](https://github.com/PQClean/PQClean/releases/tag/round2).
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## API used by PQClean
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PQClean is essentially using the same API as required for the NIST reference implementations,
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which is also used by SUPERCOP and by libpqcrypto. The only differences to that API are
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the following:
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* All functions are namespaced;
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* All lengths are passed as type `size_t` instead of `unsigned long long`; and
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* Signatures offer two additional functions that follow the "traditional" approach used
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in most software stacks of computing and verifying signatures instead of producing and
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recovering signed messages. Specifically, those functions have the following name and signature:
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```c
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int PQCLEAN_SCHEME_IMPL_crypto_sign_signature(
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uint8_t *sig, size_t *siglen,
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const uint8_t *m, size_t mlen,
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const uint8_t *sk);
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int PQCLEAN_SCHEME_IMPL_crypto_sign_verify(
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const uint8_t *sig, size_t siglen,
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const uint8_t *m, size_t mlen,
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const uint8_t *pk);
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```
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