Link Search Menu Expand Document

Classic McEliece

  • Algorithm type: Key encapsulation mechanism.
  • Main cryptographic assumption: Niederreiter’s dual version of McEliece’s public key encryption using binary Goppa codes.
  • Principal submitters: Daniel J. Bernstein, Tung Chou, Tanja Lange, Ingo von Maurich, Rafael Misoczki, Ruben Niederhagen, Edoardo Persichetti, Christiane Peters, Peter Schwabe, Nicolas Sendrier, Jakub Szefer, Wen Wang.
  • Authors’ website: https://classic.mceliece.org
  • Specification version: SUPERCOP-20191221.
  • Implementation source: https://github.com/PQClean/PQClean/commit/6c1ea921ee4a06a6b50c742ca540bb9b5e51aee2, which takes it from:
    • SUPERCOP-20191221 “vec” and “avx” implementations
  • Implementation license (SPDX-Identifier): Public domain.

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)
Classic-McEliece-348864 IND-CCA2 1 261120 6452 128 32
Classic-McEliece-348864f IND-CCA2 1 261120 6452 128 32
Classic-McEliece-460896 IND-CCA2 3 524160 13568 188 32
Classic-McEliece-460896f IND-CCA2 3 524160 13568 188 32
Classic-McEliece-6688128 IND-CCA2 5 1044992 13892 240 32
Classic-McEliece-6688128f IND-CCA2 5 1044992 13892 240 32
Classic-McEliece-6960119 IND-CCA2 5 1047319 13908 226 32
Classic-McEliece-6960119f IND-CCA2 5 1047319 13908 226 32
Classic-McEliece-8192128 IND-CCA2 5 1357824 14080 240 32
Classic-McEliece-8192128f IND-CCA2 5 1357824 14080 240 32

Classic-McEliece-348864 implementation characteristics

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?‡
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT False True True

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.

Classic-McEliece-348864f implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT,BMI1 False True True

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

Classic-McEliece-460896 implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT False True True

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

Classic-McEliece-460896f implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,BMI1,POPCNT False True True

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

Classic-McEliece-6688128 implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT False True True

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

Classic-McEliece-6688128f implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,BMI1,POPCNT False True True

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

Classic-McEliece-6960119 implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT False True True

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

Classic-McEliece-6960119f implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,BMI1,POPCNT False True True

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

Classic-McEliece-8192128 implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT False True True

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

Classic-McEliece-8192128f implementation characteristics

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?
vec All All None True True True
avx x86_64 Linux,Darwin AVX2,POPCNT,BMI1 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.







Copyright © 2017-2021 The Open Quantum Safe Project.
This site uses Just the Docs, a documentation theme for Jekyll. Background image by Rick Doble.