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* Update Sphincs+ PQClean patch * Don't apply PQClean Dilithium and Kyber patches * Run copy_from_upstream; don't apply Dilithium and Kyber changes * Run HQC KATs with custom PRNG * Satisfy astyle * Add licence for common code * Fix CI build errors * Update HQC version, OQS version, and SOVERSION * Move HQC PRNG into test file * Satisfy astyle * Fix SHA3 link error * Reset HQC issues/passes * fixup! Fix SHA3 link error * fix kat_kem linkage to make HQC PR pass CI (#1601) * fix kat_kem linkage * remove armhf CI support * Revert "remove armhf CI support" This reverts commit af759bbf743bb3ecc2e7315cf10c1785e93bcc05. --------- Co-authored-by: Michael Baentsch <57787676+baentsch@users.noreply.github.com>
45 lines
4.4 KiB
Markdown
45 lines
4.4 KiB
Markdown
# Falcon
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- **Algorithm type**: Digital signature scheme.
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- **Main cryptographic assumption**: hardness of NTRU lattice problems.
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- **Principal submitters**: Thomas Prest.
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- **Auxiliary submitters**: Pierre-Alain Fouque, Jeffrey Hoffstein, Paul Kirchner, Vadim Lyubashevsky, Thomas Pornin, Thomas Prest, Thomas Ricosset, Gregor Seiler, William Whyte, Zhenfei Zhang.
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- **Authors' website**: https://falcon-sign.info
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- **Specification version**: 20211101.
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- **Primary Source**<a name="primary-source"></a>:
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- **Source**: https://github.com/PQClean/PQClean/commit/0657749a785db30e7f49e9435452cb042edb1852
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- **Implementation license (SPDX-Identifier)**: MIT
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## Parameter set summary
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| Parameter set | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
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|:---------------:|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|
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| Falcon-512 | EUF-CMA | 1 | 897 | 1281 | 666 |
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| Falcon-1024 | EUF-CMA | 5 | 1793 | 2305 | 1280 |
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## Falcon-512 implementation characteristics
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| 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?‡ |
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|:---------------------------------:|:-------------------------|:----------------------------|:--------------------------------|:------------------------|:-----------------------------------|:-----------------------------------------------|:----------------------|
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| [Primary Source](#primary-source) | clean | All | All | None | True | True | False |
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| [Primary Source](#primary-source) | avx2 | x86\_64 | All | AVX2 | False | False | False |
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| [Primary Source](#primary-source) | aarch64 | ARM64\_V8 | Linux,Darwin | None | False | False | False |
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Are implementations chosen based on runtime CPU feature detection? **Yes**.
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‡For an explanation of what this denotes, consult the [Explanation of Terms](#explanation-of-terms) section at the end of this file.
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## Falcon-1024 implementation characteristics
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| 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? |
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|:---------------------------------:|:-------------------------|:----------------------------|:--------------------------------|:------------------------|:-----------------------------------|:-----------------------------------------------|:---------------------|
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| [Primary Source](#primary-source) | clean | All | All | None | True | True | False |
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| [Primary Source](#primary-source) | avx2 | x86\_64 | All | AVX2 | False | False | False |
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| [Primary Source](#primary-source) | aarch64 | ARM64\_V8 | Linux,Darwin | None | False | False | False |
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Are implementations chosen based on runtime CPU feature detection? **Yes**.
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## Explanation of Terms
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- **Large Stack Usage**: Implementations identified as having such may cause failures when running in threads or in constrained environments. |