name: CROSS
type: signature
principal-submitters:
- Marco Baldi
- Alessandro Barenghi
- Sebastian Bitzer
- Patrick Karl
- Felice Manganiello
- Alessio Pavoni
- Gerardo Pelosi
- Paolo Santini
- Jonas Schupp
- Freeman Slaughter
- Antonia Wachter-Zeh
- Violetta Weger
auxiliary-submitters:
- Marco Gianvecchio
crypto-assumption: hardness of the restricted syndrome decoding problem for random
  linear codes on a finite field
website: https://www.cross-crypto.com/
nist-round: 1
spec-version: 1.2 + Keccak_x4 + PQClean fixes + endianness fix
primary-upstream:
  source: https://github.com/rtjk/CROSS-PQClean/commit/d3bf2db85ba4a181418c95171d36afdca0d43464
  spdx-license-identifier: CC0-1.0
parameter-sets:
- name: cross-rsdp-128-balanced
  oqs_alg: OQS_SIG_alg_cross_rsdp_128_balanced
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 77
  length-secret-key: 32
  length-signature: 12912
  implementations-switch-on-runtime-cpu-features: false
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdp-128-fast
  oqs_alg: OQS_SIG_alg_cross_rsdp_128_fast
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 77
  length-secret-key: 32
  length-signature: 19152
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdp-128-small
  oqs_alg: OQS_SIG_alg_cross_rsdp_128_small
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 77
  length-secret-key: 32
  length-signature: 10080
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
- name: cross-rsdp-192-balanced
  oqs_alg: OQS_SIG_alg_cross_rsdp_192_balanced
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 115
  length-secret-key: 48
  length-signature: 28222
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdp-192-fast
  oqs_alg: OQS_SIG_alg_cross_rsdp_192_fast
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 115
  length-secret-key: 48
  length-signature: 42682
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdp-192-small
  oqs_alg: OQS_SIG_alg_cross_rsdp_192_small
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 115
  length-secret-key: 48
  length-signature: 23642
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
- name: cross-rsdp-256-balanced
  oqs_alg: OQS_SIG_alg_cross_rsdp_256_balanced
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 153
  length-secret-key: 64
  length-signature: 51056
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
- name: cross-rsdp-256-fast
  oqs_alg: OQS_SIG_alg_cross_rsdp_256_fast
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 153
  length-secret-key: 64
  length-signature: 76298
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdp-256-small
  oqs_alg: OQS_SIG_alg_cross_rsdp_256_small
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 153
  length-secret-key: 64
  length-signature: 43592
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
- name: cross-rsdpg-128-balanced
  oqs_alg: OQS_SIG_alg_cross_rsdpg_128_balanced
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 54
  length-secret-key: 32
  length-signature: 9236
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-128-fast
  oqs_alg: OQS_SIG_alg_cross_rsdpg_128_fast
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 54
  length-secret-key: 32
  length-signature: 12472
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-128-small
  oqs_alg: OQS_SIG_alg_cross_rsdpg_128_small
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 54
  length-secret-key: 32
  length-signature: 7956
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-192-balanced
  oqs_alg: OQS_SIG_alg_cross_rsdpg_192_balanced
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 83
  length-secret-key: 48
  length-signature: 23380
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-192-fast
  oqs_alg: OQS_SIG_alg_cross_rsdpg_192_fast
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 83
  length-secret-key: 48
  length-signature: 27404
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-192-small
  oqs_alg: OQS_SIG_alg_cross_rsdpg_192_small
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 83
  length-secret-key: 48
  length-signature: 18188
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
- name: cross-rsdpg-256-balanced
  oqs_alg: OQS_SIG_alg_cross_rsdpg_256_balanced
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 106
  length-secret-key: 64
  length-signature: 40134
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-256-fast
  oqs_alg: OQS_SIG_alg_cross_rsdpg_256_fast
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 106
  length-secret-key: 64
  length-signature: 48938
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: cross-rsdpg-256-small
  oqs_alg: OQS_SIG_alg_cross_rsdpg_256_small
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 106
  length-secret-key: 64
  length-signature: 32742
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream: primary-upstream
    upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true
  - upstream: primary-upstream
    upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: true