Darc ECDSA

[pm-duokey]

What this PR does

See commit message This PR

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🙅‍ Friendly checklist:

• [ ] 0. Code comments are added (or updated) when/where needed and explain the WHY of the code.
• [ ] 1. Design choices, user documentation and any additional doc are added (or updated) in READMEs.
• [ ] 2. Any new behaviour is tested and small units of code that can be are unit tested.
• [ ] 3. Code comments are added on tests to explain what they do.
• [ ] 4. Errors are systematically wrapped with a meaningful message using xerrors.Errorf and the %v verb.
• [ ] 5. Hard limit of 80 chars is always respected.
• [ ] 6. Changes are backward compatible.
• [ ] 7. Indentation level does not exceed 5, although 4 is already suspicious.
• [ ] 8. Functions, files, and packages are kept to a manageable size and decomposed into smaller units if needed.
• [ ] 9. There are no magic values.

[ineiti]

You can also use the Commit Suggestions in the comments to directly add the suggestions I made.

[sonarqubecloud[bot]]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
4 Code Smells

No Coverage information
8.4% Duplication

[sonarqubecloud[bot]]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
4 Code Smells

No Coverage information
3.9% Duplication