[gnutls-devel] GnuTLS | x509: support decoding of ML-DSA private keys in CHOICE format (!1972)

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Wed Jul 2 11:44:50 CEST 2025



Daiki Ueno created a merge request: https://gitlab.com/gnutls/gnutls/-/merge_requests/1972

Project:Branches: dueno/gnutls:wip/dueno/mldsa-followup2 to gnutls/gnutls:master
Author:   Daiki Ueno




<!-- Add a description of the new feature/bug fix. Reference any relevant bugs. -->

This extends the acceptable formats of ML-DSA private keys to the
three formats defined in draft-ietf-lamps-dilithium-certificates-12,
section 6, namely: "seed", "expandedKey", and "both". The legacy
format compatible with liboqs/oqsprovider is still accepted and the
default output format for now.

## Checklist
 * [x] Commits have `Signed-off-by:` with name/author being identical to the commit author
 * [x] Code modified for feature
 * [x] Test suite updated with functionality tests
 * [ ] Test suite updated with negative tests
 * [ ] Documentation updated / NEWS entry present (for non-trivial changes)
 * [ ] CI timeout is 2h or higher (see Settings/CICD/General pipelines/Timeout)

## Reviewer's checklist:
 * [ ] Any issues marked for closing are addressed
 * [ ] There is a test suite reasonably covering new functionality or modifications
 * [ ] Function naming, parameters, return values, types, etc., are consistent and according to `CONTRIBUTION.md`
 * [ ] This feature/change has adequate documentation added
 * [ ] No obvious mistakes in the code

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