liboqs algorithm datasheet: `sig_qtesla`
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Summary
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- **Name**: qTesla
- **Algorithm type**: signature
- **Main cryptographic assumption**: decisional Ring Learning With Errors (R-LWE) problem.
- **NIST submission URL**: https://csrc.nist.gov/CSRC/media/Projects/Post-Quantum-Cryptography/documents/round-1/submissions/qtesla.zip
- **Submitters (to NIST competition)**: Sedat Akleylek, Erdem Alkim, Paulo S. L. M. Barreto, Nina Bindel, Johannes Buchmann, Edward Eaton, Gus Gutoski, Juliane Krämer, Patrick Longa, Harun Polat, Jefferson E. Ricardini, and Gustavo Zanon
- **Submitters' website**: https://qtesla.org/
- **Added to liboqs by**: Christian Paquin

Parameter sets
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| Parameter set | Security model | Claimed NIST security level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
|---------------|:--------------:|:---------------------------:|:-----------------------:|:-----------------------:|:----------------------:|
| qTesla-p-I    |    EUF-CMA     |              1              |         14880           |          5184           |          2592          |
| qTesla-p-III  |    EUF-CMA     |              3              |         38432           |         12352           |          5664          |

Implementation
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- **Source of implementation:** https://github.com/qtesla/qTesla
- **Implementation version:** https://github.com/microsoft/qTESLA-Library/commit/dcaabbff1ef2c1e993c4bca7eb9d4821f2f56bd5
- **License:** public domain
- **Language:** C
- **Constant-time:** Yes
- **Architectures supported in liboqs master branch**: x86, x64