liboqs/docs/algorithms/sig/sphincs.yml

name: SPHINCS+
type: signature
principal-submitters:
- Andreas Hülsing
auxiliary-submitters:
- Jean-Philippe Aumasson
- Daniel J. Bernstein,
- Christoph Dobraunig
- Maria Eichlseder
- Scott Fluhrer
- Stefan-Lukas Gazdag
- Panos Kampanakis
- Stefan Kölbl
- Tanja Lange
- Martin M. Lauridsen
- Florian Mendel
- Ruben Niederhagen
- Christian Rechberger
- Joost Rijneveld
- Peter Schwabe
crypto-assumption: hash-based signatures
website: https://sphincs.org/
nist-round: 3
spec-version: NIST Round 3 submission
spdx-license-identifier: CC0-1.0
upstream: https://github.com/PQClean/PQClean/commit/e2d82cc58dcbc75dcce9ecf70e91465a00c2a4d8
  with copy_from_upstream patches
upstream-ancestors:
- https://github.com/sphincs/sphincsplus
parameter-sets:
- name: SPHINCS+-Haraka-128f-robust
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 17088
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-128f-simple
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 17088
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-128s-robust
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 7856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-128s-simple
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 7856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-192f-robust
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 35664
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-192f-simple
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 35664
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-192s-robust
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 16224
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-192s-simple
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 16224
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-256f-robust
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 49856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-256f-simple
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 49856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-256s-robust
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 29792
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-Haraka-256s-simple
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 29792
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - AES: BearSSL (packaged)
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: aesni
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - aes
    common-crypto:
    - AES: packaged
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-128f-robust
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 17088
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-128f-simple
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 17088
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-128s-robust
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 7856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-128s-simple
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 7856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-192f-robust
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 35664
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-192f-simple
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 35664
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-192s-robust
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 16224
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-192s-simple
  claimed-nist-level: 3
  claimed-security: EUF-CMA
  length-public-key: 48
  length-secret-key: 96
  length-signature: 16224
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-256f-robust
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 49856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-256f-simple
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 49856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-256s-robust
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 29792
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHA256-256s-simple
  claimed-nist-level: 5
  claimed-security: EUF-CMA
  length-public-key: 64
  length-secret-key: 128
  length-signature: 29792
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
  - upstream-id: avx2
    supported-platforms:
    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA2: liboqs
    no-secret-dependent-branching-claimed: true
    no-secret-dependent-branching-checked-by-valgrind: true
    large-stack-usage: false
- name: SPHINCS+-SHAKE256-128f-robust
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 17088
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - 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-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: SPHINCS+-SHAKE256-128f-simple
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 17088
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - 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-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: SPHINCS+-SHAKE256-128s-robust
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 7856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - 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-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: SPHINCS+-SHAKE256-128s-simple
  claimed-nist-level: 1
  claimed-security: EUF-CMA
  length-public-key: 32
  length-secret-key: 64
  length-signature: 7856
  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - 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-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: SPHINCS+-SHAKE256-192f-robust
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  claimed-security: EUF-CMA
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  implementations-switch-on-runtime-cpu-features: true
  implementations:
  - upstream-id: clean
    supported-platforms: all
    common-crypto:
    - SHA3: liboqs
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  - upstream-id: avx2
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    - architecture: x86_64
      required_flags:
      - avx2
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    - SHA3: liboqs
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    no-secret-dependent-branching-checked-by-valgrind: true
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- name: SPHINCS+-SHAKE256-192f-simple
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  claimed-security: EUF-CMA
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  implementations:
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  - upstream-id: avx2
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    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
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    no-secret-dependent-branching-checked-by-valgrind: true
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- name: SPHINCS+-SHAKE256-192s-robust
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  claimed-security: EUF-CMA
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  implementations:
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  - upstream-id: avx2
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    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
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    no-secret-dependent-branching-checked-by-valgrind: true
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- name: SPHINCS+-SHAKE256-192s-simple
  claimed-nist-level: 3
  claimed-security: EUF-CMA
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  length-signature: 16224
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  implementations:
  - upstream-id: clean
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    common-crypto:
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  - upstream-id: avx2
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    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
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    no-secret-dependent-branching-checked-by-valgrind: true
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- name: SPHINCS+-SHAKE256-256f-robust
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  claimed-security: EUF-CMA
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  implementations:
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  - upstream-id: avx2
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- name: SPHINCS+-SHAKE256-256f-simple
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  implementations:
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  - upstream-id: avx2
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    - architecture: x86_64
      required_flags:
      - avx2
    common-crypto:
    - SHA3: liboqs
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    no-secret-dependent-branching-checked-by-valgrind: true
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- name: SPHINCS+-SHAKE256-256s-robust
  claimed-nist-level: 5
  claimed-security: EUF-CMA
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  implementations:
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    - SHA3: liboqs
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  - upstream-id: avx2
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    - architecture: x86_64
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      - avx2
    common-crypto:
    - SHA3: liboqs
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- name: SPHINCS+-SHAKE256-256s-simple
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  claimed-security: EUF-CMA
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  implementations:
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  - upstream-id: avx2
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    - architecture: x86_64
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    - SHA3: liboqs
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    large-stack-usage: false