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liboqs/docs/algorithms/kem/kyber.md
Jason Goertzen 71b570c59c
Adding arm64_v8 optimized versions of saber. (#1131) 
* Added aarch64 optimized version of saber, lightsaber, and firesaber from pqclean

* Updated to latest commit of pqclean which fixes saber aarch64.

* Updated saber docs as per @dstebila's comment

* Removed duplicate lines from README.md

* Fixed local issue for duplicate lines in README.md. This is the output of the update docs script after fixing my local issue
2021-11-27 15:24:05 -05:00

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Kyber

  • Algorithm type: Key encapsulation mechanism.
  • Main cryptographic assumption: Module LWE+R with base ring Z[x]/(3329, x^256+1).
  • Principal submitters: Peter Schwabe.
  • Auxiliary submitters: Roberto Avanzi, Joppe Bos, Léo Ducas, Eike Kiltz, Tancrède Lepoint, Vadim Lyubashevsky, John M. Schanck, Gregor Seiler, Damien Stehlé.
  • Authors' website: https://pq-crystals.org/
  • Specification version: NIST Round 3 submission.
  • Primary Source:
    • Source: faf5c3fe33 with copy_from_upstream patches
    • Implementation license (SPDX-Identifier): CC0-1.0
  • Optimized Implementation sources: faf5c3fe33 with copy_from_upstream patches
    • pqclean-aarch64:
      • Source: 6a32796212 with copy_from_upstream patches
      • Implementation license (SPDX-Identifier): CC0-1.0

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)
Kyber512 IND-CCA2 1 800 1632 768 32
Kyber512-90s IND-CCA2 1 800 1632 768 32
Kyber768 IND-CCA2 3 1184 2400 1088 32
Kyber768-90s IND-CCA2 3 1184 2400 1088 32
Kyber1024 IND-CCA2 5 1568 3168 1568 32
Kyber1024-90s IND-CCA2 5 1568 3168 1568 32

Kyber512 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 ref All All None True True False
Primary Source avx2 x86_64 Linux,Darwin AVX2,BMI2,POPCNT True True False
pqclean-aarch64 aarch64 ARM64_V8 Linux,Darwin None True False 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.

Kyber512-90s 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 ref All All None True True False
Primary Source avx2 x86_64 Linux,Darwin AES,AVX2,BMI2,POPCNT,SSE2,SSSE3 True True False

Are implementations chosen based on runtime CPU feature detection? Yes.

Kyber768 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 ref All All None True True False
Primary Source avx2 x86_64 Linux,Darwin AVX2,BMI2,POPCNT True True False
pqclean-aarch64 aarch64 ARM64_V8 Linux,Darwin None True False False

Are implementations chosen based on runtime CPU feature detection? Yes.

Kyber768-90s 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 ref All All None True True False
Primary Source avx2 x86_64 Linux,Darwin AES,AVX2,BMI2,POPCNT,SSE2,SSSE3 True True False

Are implementations chosen based on runtime CPU feature detection? Yes.

Kyber1024 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 ref All All None True True False
Primary Source avx2 x86_64 Linux,Darwin AVX2,BMI2,POPCNT True True False
pqclean-aarch64 aarch64 ARM64_V8 Linux,Darwin None True False False

Are implementations chosen based on runtime CPU feature detection? Yes.

Kyber1024-90s 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 ref All All None True True False
Primary Source avx2 x86_64 Linux,Darwin AES,AVX2,BMI2,POPCNT,SSE2,SSSE3 True True False

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.