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Add support for crypto.Signer backed MLDSA - #274

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AlCutter merged 1 commit into
transparency-dev:mainfrom
AlCutter:crypto_signer_mldsa
Aug 10, 2026
Merged

Add support for crypto.Signer backed MLDSA#274
AlCutter merged 1 commit into
transparency-dev:mainfrom
AlCutter:crypto_signer_mldsa

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This PR adds support for instantiating an MLDSA cosigner backed by a crypto.Signer.

@AlCutter
AlCutter requested a review from phbnf August 10, 2026 12:46
@AlCutter
AlCutter requested a review from a team as a code owner August 10, 2026 12:46
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codecov-commenter commented Aug 10, 2026

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Codecov Report

❌ Patch coverage is 56.66667% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.72%. Comparing base (fa00c16) to head (e627221).
⚠️ Report is 184 commits behind head on main.

Files with missing lines Patch % Lines
note/note_cosigv1.go 56.66% 6 Missing and 7 partials ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main     #274      +/-   ##
==========================================
- Coverage   82.57%   78.72%   -3.85%     
==========================================
  Files           5       10       +5     
  Lines         241      940     +699     
==========================================
+ Hits          199      740     +541     
- Misses         30      107      +77     
- Partials       12       93      +81     

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Comment thread note/note_cosigv1.go Outdated
h := keyHashMLDSA(name, pubKeyBytes)
s := &subtreeSigner{
name: name,
hash: h,

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nit: h can be inlined

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(needs a re-approve)

@AlCutter
AlCutter force-pushed the crypto_signer_mldsa branch from 3a29f91 to e627221 Compare August 10, 2026 14:29
@AlCutter
AlCutter merged commit 9325c3b into transparency-dev:main Aug 10, 2026
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@AlCutter
AlCutter deleted the crypto_signer_mldsa branch August 10, 2026 15:13
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3 participants