pki: T6766: Add support for ECDSA private keys

[sarthurdev]

Change Summary

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

Related PR(s)

Component(s) name

pki

Proposed changes

When validating a private key, if wrapping with default tags fails, try with EC specific tag.

How to test

Setup:

vyos@vyos:~$ openssl ecparam -name prime256v1 -genkey -noout -out private-key.pem
vyos@vyos:~$ cat private-key.pem
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIMyhg2dw/ZUm+JSWbgGiTiwBeU23/z0HlOCY2iAAin0/oAoGCCqGSM49
AwEHoUQDQgAEkW7R7xxUjWfdbp20UJG13BVQM5ocqMEOMNRQ+Yqb6PO7hVe9sEim
UA+A44Q27dosXIYpDVqHRfY4Mtp1Usw7zQ==
-----END EC PRIVATE KEY-----
vyos@vyos:~$ conf
[edit]
vyos@vyos# set pki key-pair TEST private key "MHcCAQEEIMyhg2dw/ZUm+JSWbgGiTiwBeU23z0HlOCY2iAAin0/oAoGCCqGSM49AwEHoUQDQgAEkW7R7xxUjWfdbp20UJG13BVQM5ocqMEOMNRQ+Yqb6PO7hVe9sEimUA+A44Q27dosXIYpDVqHRfY4Mtp1Usw7zQ=="

Before:

vyos@vyos# commit
[ pki ]
Invalid private key on key-pair "TEST"
[[pki]] failed
Commit failed

After:

vyos@vyos# commit
[edit]
vyos@vyos#

Smoketest result

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• I have run the components SMOKETESTS if applicable
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

[github-actions]

👍
No issues in PR Title / Commit Title

[github-actions]

CI integration 👍 passed!

Details

CI logs

• CLI Smoketests (no interfaces) 👍 passed
• CLI Smoketests (interfaces only) 👍 passed
• Config tests 👍 passed
• RAID1 tests 👍 passed
• TPM tests 👍 passed