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feat(sig): add derandomized keypair generation for ML-DSA (OQS_SIG_keypair_derand) #2476

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feat(sig): add derandomized keypair generation for ML-DSA (OQS_SIG_keypair_derand) #2476

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5e3b29d
feat(sig): add derandomized keypair generation for ML-DSA
systemslibrarian Jun 26, 2026
c729851
test(sig): fuzz and KAT-validate derandomized keypair generation
systemslibrarian Jun 26, 2026
de3b051
Merge branch 'main' into feature/sig-keypair-derand
ashman-p Jul 17, 2026
a746182
Address review: declare ML-DSA derand keypair in META patch.
ashman-p Jul 21, 2026
78911f4
Merge branch 'main' into feature/sig-keypair-derand
ashman-p Jul 24, 2026
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40 changes: 20 additions & 20 deletions docs/algorithms/sig/cross.md
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Expand Up @@ -22,26 +22,26 @@

## Parameter set summary

| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
|:------------------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|
| cross-rsdp-128-balanced | NA | EUF-CMA | 1 | 77 | 32 | 13152 |
| cross-rsdp-128-fast | NA | EUF-CMA | 1 | 77 | 32 | 18432 |
| cross-rsdp-128-small | NA | EUF-CMA | 1 | 77 | 32 | 12432 |
| cross-rsdp-192-balanced | NA | EUF-CMA | 3 | 115 | 48 | 29853 |
| cross-rsdp-192-fast | NA | EUF-CMA | 3 | 115 | 48 | 41406 |
| cross-rsdp-192-small | NA | EUF-CMA | 3 | 115 | 48 | 28391 |
| cross-rsdp-256-balanced | NA | EUF-CMA | 5 | 153 | 64 | 53527 |
| cross-rsdp-256-fast | NA | EUF-CMA | 5 | 153 | 64 | 74590 |
| cross-rsdp-256-small | NA | EUF-CMA | 5 | 153 | 64 | 50818 |
| cross-rsdpg-128-balanced | NA | EUF-CMA | 1 | 54 | 32 | 9120 |
| cross-rsdpg-128-fast | NA | EUF-CMA | 1 | 54 | 32 | 11980 |
| cross-rsdpg-128-small | NA | EUF-CMA | 1 | 54 | 32 | 8960 |
| cross-rsdpg-192-balanced | NA | EUF-CMA | 3 | 83 | 48 | 22464 |
| cross-rsdpg-192-fast | NA | EUF-CMA | 3 | 83 | 48 | 26772 |
| cross-rsdpg-192-small | NA | EUF-CMA | 3 | 83 | 48 | 20452 |
| cross-rsdpg-256-balanced | NA | EUF-CMA | 5 | 106 | 64 | 40100 |
| cross-rsdpg-256-fast | NA | EUF-CMA | 5 | 106 | 64 | 48102 |
| cross-rsdpg-256-small | NA | EUF-CMA | 5 | 106 | 64 | 36454 |
| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) | Keypair seed size (bytes) |
|:------------------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|:----------------------------|
| cross-rsdp-128-balanced | NA | EUF-CMA | 1 | 77 | 32 | 13152 | NA |
| cross-rsdp-128-fast | NA | EUF-CMA | 1 | 77 | 32 | 18432 | NA |
| cross-rsdp-128-small | NA | EUF-CMA | 1 | 77 | 32 | 12432 | NA |
| cross-rsdp-192-balanced | NA | EUF-CMA | 3 | 115 | 48 | 29853 | NA |
| cross-rsdp-192-fast | NA | EUF-CMA | 3 | 115 | 48 | 41406 | NA |
| cross-rsdp-192-small | NA | EUF-CMA | 3 | 115 | 48 | 28391 | NA |
| cross-rsdp-256-balanced | NA | EUF-CMA | 5 | 153 | 64 | 53527 | NA |
| cross-rsdp-256-fast | NA | EUF-CMA | 5 | 153 | 64 | 74590 | NA |
| cross-rsdp-256-small | NA | EUF-CMA | 5 | 153 | 64 | 50818 | NA |
| cross-rsdpg-128-balanced | NA | EUF-CMA | 1 | 54 | 32 | 9120 | NA |
| cross-rsdpg-128-fast | NA | EUF-CMA | 1 | 54 | 32 | 11980 | NA |
| cross-rsdpg-128-small | NA | EUF-CMA | 1 | 54 | 32 | 8960 | NA |
| cross-rsdpg-192-balanced | NA | EUF-CMA | 3 | 83 | 48 | 22464 | NA |
| cross-rsdpg-192-fast | NA | EUF-CMA | 3 | 83 | 48 | 26772 | NA |
| cross-rsdpg-192-small | NA | EUF-CMA | 3 | 83 | 48 | 20452 | NA |
| cross-rsdpg-256-balanced | NA | EUF-CMA | 5 | 106 | 64 | 40100 | NA |
| cross-rsdpg-256-fast | NA | EUF-CMA | 5 | 106 | 64 | 48102 | NA |
| cross-rsdpg-256-small | NA | EUF-CMA | 5 | 106 | 64 | 36454 | NA |

## cross-rsdp-128-balanced implementation characteristics

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12 changes: 6 additions & 6 deletions docs/algorithms/sig/falcon.md
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## Parameter set summary

| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
|:------------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|
| Falcon-512 | NA | EUF-CMA | 1 | 897 | 1281 | 752 |
| Falcon-1024 | NA | EUF-CMA | 5 | 1793 | 2305 | 1462 |
| Falcon-padded-512 | NA | EUF-CMA | 1 | 897 | 1281 | 666 |
| Falcon-padded-1024 | NA | EUF-CMA | 5 | 1793 | 2305 | 1280 |
| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) | Keypair seed size (bytes) |
|:------------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|:----------------------------|
| Falcon-512 | NA | EUF-CMA | 1 | 897 | 1281 | 752 | NA |
| Falcon-1024 | NA | EUF-CMA | 5 | 1793 | 2305 | 1462 | NA |
| Falcon-padded-512 | NA | EUF-CMA | 1 | 897 | 1281 | 666 | NA |
| Falcon-padded-1024 | NA | EUF-CMA | 5 | 1793 | 2305 | 1280 | NA |

## Falcon-512 implementation characteristics

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12 changes: 6 additions & 6 deletions docs/algorithms/sig/mayo.md
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## Parameter set summary

| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
|:---------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|
| MAYO-1 | NA | EUF-CMA | 1 | 1420 | 24 | 454 |
| MAYO-2 | NA | EUF-CMA | 1 | 4912 | 24 | 186 |
| MAYO-3 | NA | EUF-CMA | 3 | 2986 | 32 | 681 |
| MAYO-5 | NA | EUF-CMA | 5 | 5554 | 40 | 964 |
| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) | Keypair seed size (bytes) |
|:---------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|:----------------------------|
| MAYO-1 | NA | EUF-CMA | 1 | 1420 | 24 | 454 | NA |
| MAYO-2 | NA | EUF-CMA | 1 | 4912 | 24 | 186 | NA |
| MAYO-3 | NA | EUF-CMA | 3 | 2986 | 32 | 681 | NA |
| MAYO-5 | NA | EUF-CMA | 5 | 5554 | 40 | 964 | NA |

## MAYO-1 implementation characteristics

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10 changes: 5 additions & 5 deletions docs/algorithms/sig/ml_dsa.md
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Expand Up @@ -25,11 +25,11 @@

## Parameter set summary

| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
|:---------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|
| ML-DSA-44 | NA | SUF-CMA | 2 | 1312 | 2560 | 2420 |
| ML-DSA-65 | NA | SUF-CMA | 3 | 1952 | 4032 | 3309 |
| ML-DSA-87 | NA | SUF-CMA | 5 | 2592 | 4896 | 4627 |
| Parameter set | Parameter set alias | Security model | Claimed NIST Level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) | Keypair seed size (bytes) |
|:---------------:|:----------------------|:-----------------|---------------------:|--------------------------:|--------------------------:|-------------------------:|----------------------------:|
| ML-DSA-44 | NA | SUF-CMA | 2 | 1312 | 2560 | 2420 | 32 |
| ML-DSA-65 | NA | SUF-CMA | 3 | 1952 | 4032 | 3309 | 32 |
| ML-DSA-87 | NA | SUF-CMA | 5 | 2592 | 4896 | 4627 | 32 |

## ML-DSA-44 implementation characteristics

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3 changes: 3 additions & 0 deletions docs/algorithms/sig/ml_dsa.yml
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Expand Up @@ -28,6 +28,7 @@ parameter-sets:
length-public-key: 1312
length-secret-key: 2560
length-signature: 2420
length-keypair-seed: 32

@RodriM11 RodriM11 Jul 21, 2026

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Shouldn't the derandomized_keypair appear also here?

@ashman-p ashman-p Jul 22, 2026

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@RodriM11, can you elaborate? In what context and why?

implementations-switch-on-runtime-cpu-features: true
implementations:
- upstream: primary-upstream
Expand Down Expand Up @@ -73,6 +74,7 @@ parameter-sets:
length-public-key: 1952
length-secret-key: 4032
length-signature: 3309
length-keypair-seed: 32
implementations-switch-on-runtime-cpu-features: true
implementations:
- upstream: primary-upstream
Expand Down Expand Up @@ -118,6 +120,7 @@ parameter-sets:
length-public-key: 2592
length-secret-key: 4896
length-signature: 4627
length-keypair-seed: 32
implementations-switch-on-runtime-cpu-features: true
implementations:
- upstream: primary-upstream
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