[palas]

Context

This PR addresses: #1501

key verification-key command was not accepting BLS signing keys.

This PR adds support for BLS signing keys to several functions that take signing keys

How to trust this PR

It is essentially extrapolation, except for tests, which now also apply to the dijkstra node key-gen-BLS command.

Checklist

• Commit sequence broadly makes sense and commits have useful messages
• New tests are added if needed and existing tests are updated. See Running tests for more details
• Self-reviewed the diff
• Changelog fragment added in .changes/

[Copilot]

🟡 Changes recommended

The BLS regression test defaults to text-envelope output, leaving the new Bech32 decoder path without round-trip coverage.

1 open issue

• Add Bech32 round-trip coverage for BLS verification keys · New

What changed in this PR

Addresses #1501 by extending the shared signing-key handling so key verification-key accepts BLS signing keys.

Changes:

• Adds BLS support to text-envelope and Bech32 signing-key readers.
• Generalizes the verification-key test helper and adds a BLS text-envelope round-trip test.
• Adds a changelog entry documenting the supported input formats.

File	Description
cardano-cli/​test/​cardano-cli-test/​Test/​Cli/​VerificationKey.hs	Generalizes key-generation commands and adds the BLS regression test.
cardano-cli/​src/​Cardano/​CLI/​Type/​Key.hs	Adds BLS signing-key handling and decoders for both formats.
.changes/​20261111_162405_cardano-cli_pablo.lamela_bls_verification_key.yml	Documents BLS verification-key derivation support.

_{Review effort: Balanced}