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0b64ca3c91
* Update Classic McEliece * Run copy_from_upstream.py * Change crypto_declassify.h license * Remove old McEliece vec/avx directories * Add add_compile_options(-Wno-language-extension-token) to comipler_opts.cmake * Fix CI errors. Reduce McEliece optimisation from -03 to -01. Patch PQClean McEliece. * Update liboqs version number. Fix comments. * Increment SOVERSION. * Update Classic McEliece advisories. Replace * Update Classic McEliece documentation YAML. Update KEM CMakeLists Jinja template.
5.7 KiB
5.7 KiB
HQC
- Algorithm type: Key encapsulation mechanism.
- Main cryptographic assumption: Syndrome decoding of structure codes (Hamming Quasi-Cyclic).
- Principal submitters: Carlos Aguilar Melchor, Nicolas Aragon, Slim Bettaieb, Olivier Blazy, Jurjen Bos, Jean-Christophe Deneuville, Philippe Gaborit, Edoardo Persichetti, Jean-Marc Robert, Pascal Véron, Gilles Zémor, Loïc Bidoux.
- Authors' website: https://pqc-hqc.org/
- Specification version: NIST Round 3 submission.
- Primary Source:
- Source:
d742438e5c - Implementation license (SPDX-Identifier): Public domain
- Source:
- Ancestors of primary source:
- https://github.com/jschanck/package-pqclean/tree/29f79e72/hqc, which takes it from:
- submission 2020-10-01 at https://pqc-hqc.org/implementation.html
Advisories
- The implementations for all parameter sets DO NOT provide constant time execution properties. See: https://github.com/open-quantum-safe/liboqs/issues/995.
Parameter set summary
| Parameter set | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Ciphertext size (bytes) | Shared secret size (bytes) |
|---|---|---|---|---|---|---|
| HQC-128 | IND-CCA2 | 1 | 2249 | 2289 | 4481 | 64 |
| HQC-192 | IND-CCA2 | 3 | 4522 | 4562 | 9026 | 64 |
| HQC-256 | IND-CCA2 | 5 | 7245 | 7285 | 14469 | 64 |
HQC-128 implementation characteristics
| Implementation source | Identifier in upstream | Supported architecture(s) | Supported operating system(s) | CPU extension(s) used | No branching-on-secrets claimed? | No branching-on-secrets checked by valgrind? | Large stack usage?‡ |
|---|---|---|---|---|---|---|---|
| Primary Source | clean | All | All | None | True | True | False |
| Primary Source | avx2 | x86_64 | Linux,Darwin | AVX2,BMI1,PCLMULQDQ | False | True | False |
Are implementations chosen based on runtime CPU feature detection? Yes.
‡For an explanation of what this denotes, consult the Explanation of Terms section at the end of this file.
HQC-192 implementation characteristics
| Implementation source | Identifier in upstream | Supported architecture(s) | Supported operating system(s) | CPU extension(s) used | No branching-on-secrets claimed? | No branching-on-secrets checked by valgrind? | Large stack usage? |
|---|---|---|---|---|---|---|---|
| Primary Source | clean | All | All | None | True | True | False |
| Primary Source | avx2 | x86_64 | Linux,Darwin | AVX2,BMI1,PCLMULQDQ | False | True | False |
Are implementations chosen based on runtime CPU feature detection? Yes.
HQC-256 implementation characteristics
| Implementation source | Identifier in upstream | Supported architecture(s) | Supported operating system(s) | CPU extension(s) used | No branching-on-secrets claimed? | No branching-on-secrets checked by valgrind? | Large stack usage? |
|---|---|---|---|---|---|---|---|
| Primary Source | clean | All | All | None | True | True | False |
| Primary Source | avx2 | x86_64 | Linux,Darwin | AVX2,BMI1,PCLMULQDQ | False | True | True |
Are implementations chosen based on runtime CPU feature detection? Yes.
Explanation of Terms
- Large Stack Usage: Implementations identified as having such may cause failures when running in threads or in constrained environments.