crypto: default ML-KEM and ML-DSA pkcs8 export to seed-only format by panva · Pull Request #62178 · nodejs/node · GitHub
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crypto: default ML-KEM and ML-DSA pkcs8 export to seed-only format #62178

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Merged
nodejs-github-bot merged 1 commit into from
Mar 13, 2026
Merged

crypto: default ML-KEM and ML-DSA pkcs8 export to seed-only format #62178

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5 changes: 5 additions & 0 deletions doc/api/crypto.md
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17 changes: 17 additions & 0 deletions src/crypto/crypto_util.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,23 @@ void InitCryptoOnce() {
#endif

OPENSSL_init_ssl(0, settings);

#if OPENSSL_WITH_PQC
// Configure all loaded providers to prefer seed-only format for ML-KEM and
// ML-DSA private keys in PKCS#8 export, falling back to priv-only when a
// seed is not available. The provider encoder reads these parameters at
// encoding time via ossl_prov_ctx_get_param().
OSSL_PROVIDER_do_all(
nullptr,
[](OSSL_PROVIDER* provider, void*) -> int {
OSSL_PROVIDER_add_conf_parameter(
provider, "ml-kem.output_formats", "seed-only,priv-only");
OSSL_PROVIDER_add_conf_parameter(
provider, "ml-dsa.output_formats", "seed-only,priv-only");
return 1;
},
nullptr);
#endif
OPENSSL_INIT_free(settings);
settings = nullptr;

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2 changes: 1 addition & 1 deletion test/parallel/test-crypto-pqc-key-objects-ml-dsa.js
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ for (const [asymmetricKeyType, pubLen] of [
assertPublicKey(createPublicKey(key));
key.export({ format: 'der', type: 'pkcs8' });
if (hasSeed) {
assert.strictEqual(key.export({ format: 'pem', type: 'pkcs8' }), keys.private);
assert.strictEqual(key.export({ format: 'pem', type: 'pkcs8' }), keys.private_seed_only);
} else {
assert.strictEqual(key.export({ format: 'pem', type: 'pkcs8' }), keys.private_priv_only);
}
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2 changes: 1 addition & 1 deletion test/parallel/test-crypto-pqc-key-objects-ml-kem.js
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