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SWilson4 committed Oct 20, 2023
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42 changes: 21 additions & 21 deletions docs/algorithms/kem/classic_mceliece.md
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## Advisories

- Classic-McEliece-460896, Classic-McEliece-460896f, Classic-McEliece-6960119, and Classic-McEliece-6960119f parameter sets fail memory leak testing on x86-64 when building with ``clang`` using optimization level ``-O2`` and ``-O3``. Care is advised when using the algorithm at higher optimization levels, and any other compiler and architecture.
- Current implementation of the algorithm may not be constant-time. Additionally, environment specific constant-time leaks may not be documented; please report potential constant-time leaks when found.
- Current implementation of the algorithm may not be constant-time. Additionally, environment specific constant-time leaks may not be documented; please report potential constant-time leaks when found.

## Parameter set summary

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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?‡ |
|:---------------------------------:|:-------------------------|:----------------------------|:--------------------------------|:------------------------|:-----------------------------------|:-----------------------------------------------|:----------------------|
| [Primary Source](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | False | True |

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

Expand All @@ -46,80 +46,80 @@ Are implementations chosen based on runtime CPU feature detection? **Yes**.

| 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | False | True |

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

## Classic-McEliece-460896 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | False | True |

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

## Classic-McEliece-460896f 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | False | True |

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

## Classic-McEliece-6688128 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | False | True |

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

## Classic-McEliece-6688128f 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | False | True |

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

## Classic-McEliece-6960119 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | False | True |

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

## Classic-McEliece-6960119f 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | False | True |

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

## Classic-McEliece-8192128 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT | False | False | True |

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

## Classic-McEliece-8192128f 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](#primary-source) | clean | All | All | None | True | True | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | True | True |
| [Primary Source](#primary-source) | clean | All | All | None | False | False | True |
| [Primary Source](#primary-source) | avx2 | x86\_64 | Linux,Darwin | AVX2,POPCNT,BMI1 | False | False | True |

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

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4 changes: 3 additions & 1 deletion docs/algorithms/kem/classic_mceliece.yml
View file
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,9 @@ advisories:
building with ``clang`` using optimization level ``-O2`` and ``-O3``. Care is advised
when using the algorithm at higher optimization levels, and any other compiler and
architecture.
- Current implementation of the algorithm may not be constant-time. Additionally, environment specific constant-time leaks may not be documented; please report potential constant-time leaks when found.
- Current implementation of the algorithm may not be constant-time. Additionally,
environment specific constant-time leaks may not be documented; please report potential
constant-time leaks when found.
parameter-sets:
- name: Classic-McEliece-348864
claimed-nist-level: 1
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