← Cybertrust Japan / JCSI cases
Bugzilla #1925173 Ca Certificate Root Program Root Inclusion Audit Document Self Assessment Root Key Ceremony Evidence

Cybertrust Japan SecureSign Root CA16 inclusion request for S/MIME root

RESOLVED FIXED Cybertrust Japan / JCSI
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AI Summary

This case is a Mozilla CA Program request to add Cybertrust Japan SecureSign Root CA16 as an S/MIME root certificate. Cybertrust Japan submitted the request and provided a key generation report, later uploading period-of-time audit reports and a self-assessment sheet. Additional supporting documents were attached over time, including lifecycle management and linting materials. Mozilla announced the case for public discussion, noted that no objections were filed, and then approved the inclusion request. The root was later added in NSS 3.125 and Firefox 153.

Model: gpt-5.4-mini Generated: 2026-06-13 21:25 UTC Revised: 2026-06-19 19:27 UTC Confidence: 0.98 16 comments
Chronology
  1. Cybertrust Japan requested inclusion of SecureSign Root CA16 as an S/MIME root certificate.
  2. Cybertrust Japan uploaded period-of-time audit reports and a self-assessment sheet.
  3. Cybertrust Japan updated the linting attachment.
  4. The public discussion period for the inclusion request began.
  5. The six-week public discussion period ended with no objections filed.
  6. Mozilla approved the inclusion request.
  7. The root was added in NSS 3.125 and Firefox 153.
Thread Activity
  1. Cybertrust Japan / JCSI — Requested inclusion of the SecureSign Root CA16 S/MIME root certificate.
  2. Cybertrust Japan / JCSI — Said the key generation report had been uploaded and the audit report was expected in November 2024.
  3. Cybertrust Japan / JCSI — Uploaded the period-of-time audit reports and a self-assessment sheet.
  4. Cybertrust Japan / JCSI — Uploaded supporting documents on values and benefits, CA lifecycle management, linting, and customer/change management.
  5. Mozilla representative — Stated that the inclusion application was ready for public discussion.
  6. Mozilla representative — Announced the start and end dates of the six-week public discussion period and linked the discussion thread.
  7. Mozilla representative — Noted that public discussion ended with no objections and started a seven-day last-call period.
  8. Mozilla representative — Announced that the inclusion request had been approved.
  9. Mozilla representative — Reported that the root was added in NSS 3.125 and Firefox 153.
Participants
Cybertrust Japan / JCSI Mozilla representative
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