feat(aws): add acmpca service and pqc key algorithm check

[pedrooot]

Context

RSA and ECC signatures can be forged by a cryptographically relevant quantum computer. AWS Private CA now supports ML-DSA (NIST FIPS 204), a quantum-resistant signature algorithm, so customers can begin migrating their PKI. Prowler had no AWS Private CA service.

Description

Introduces the AWS Private CA (acmpca) service and the acmpca_certificate_authority_pqc_key_algorithm check. The check evaluates each certificate authority's KeyAlgorithm against a configurable allowlist (acmpca_pqc_key_algorithms, defaults: ML_DSA_44, ML_DSA_65, ML_DSA_87). Deleted CAs are skipped. Severity: low.

Steps to review

1. New service: prowler/providers/aws/services/acmpca/ (acmpca_service.py, acmpca_client.py)
2. Check implementation: prowler/providers/aws/services/acmpca/acmpca_certificate_authority_pqc_key_algorithm/
3. Run the tests: poetry run pytest tests/providers/aws/services/acmpca/ -v
4. Optionally run against a real environment: prowler aws --check acmpca_certificate_authority_pqc_key_algorithm

Checklist

Community Checklist

• This feature/issue is listed in here or roadmap.prowler.com
• Is it assigned to me, if not, request it via the issue/feature in here or Prowler Community Slack

• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings
• Review if backport is needed.
• Review if is needed to change the Readme.md
• Ensure new entries are added to CHANGELOG.md, if applicable.

SDK/CLI

• Are there new checks included in this PR? Yes
  • No new permissions needed: acm-pca:ListCertificateAuthorities/acm-pca:DescribeCertificateAuthority are already covered by the AWS managed SecurityAudit policy.

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[github-actions]

✅ All necessary CHANGELOG.md files have been updated.

[github-actions]

Compliance Mapping Review

This PR adds new checks. Please verify that they have been mapped to the relevant compliance framework requirements.

New checks not mapped to any compliance framework in this PR

• acmpca_certificate_authority_pqc_key_algorithm (aws)

Please review whether these checks should be added to compliance framework requirements in prowler/compliance/<provider>/. Each compliance JSON has a Checks array inside each requirement — add the check ID there if it satisfies that requirement.

Use the no-compliance-check label to skip this check.

[github-actions]

✅ Conflict Markers Resolved

All conflict markers have been successfully resolved in this pull request.

[codecov]

Codecov Report

❌ Patch coverage is 92.98246% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 2.67%. Comparing base (7d03bc5) to head (82a62d9).
⚠️ Report is 13 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (7d03bc5) and HEAD (82a62d9). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (7d03bc5)	HEAD (82a62d9)
api	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #11318       +/-   ##
===========================================
- Coverage   93.97%    2.67%   -91.30%     
===========================================
  Files         237      860      +623     
  Lines       34829    25175     -9654     
===========================================
- Hits        32729      674    -32055     
- Misses       2100    24501    +22401     

Flag	Coverage Δ
api	?
prowler-py3.10-aws	2.19% <92.98%> (?)
prowler-py3.10-config	2.67% <92.98%> (?)
prowler-py3.11-aws	2.19% <92.98%> (?)
prowler-py3.11-config	2.67% <92.98%> (?)
prowler-py3.12-aws	2.19% <92.98%> (?)
prowler-py3.12-config	2.67% <92.98%> (?)

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Components	Coverage Δ
prowler	2.67% <92.98%> (∅)
api	∅ <ø> (∅)

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[github-actions]

🔒 Container Security Scan

Image: prowler:4bda636
Last scan: 2026-05-21 22:34:28 UTC

📊 Vulnerability Summary

Severity	Count
🔴 Critical	6
Total	6

5 package(s) affected

⚠️ Action Required

Critical severity vulnerabilities detected. These should be addressed before merging:

• Review the detailed scan results
• Update affected packages to patched versions
• Consider using a different base image if updates are unavailable

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