Trust our seal

Documents sealed by Lavisho Vault carry an organisational seal issued by the Lavisho Root CA. Trust this root once and every company's seal shows as valid in Adobe Reader.

This is a Lavisho organisational seal. It is not a CCA-licensed digital signature certificate under the Bangladesh ICT Act.

CN=Lavisho Root CA, O=Lavisho Group, C=BD

Valid: 10/3/2026 – 10/2/2036

Download root certificate (.cer)

Fingerprints

SHA-256: C8:98:2A:AB:55:6D:51:C9:D6:45:FE:22:10:B7:DE:68:3E:38:F0:F6:44:F9:40:C4:A5:D4:8A:0C:0F:50:4A:00

SHA-1: DE:EA:8A:45:0D:8A:35:81:43:0A:1E:1C:C2:D2:D9:BF:ED:11:BF:E3

Revocation list (CRL)

Adobe Acrobat Reader

  1. Download the root certificate above.
  2. Open Adobe Acrobat Reader and go to Edit > Preferences (macOS: Acrobat Reader > Settings) > Signatures.
  3. Next to Identities & Trusted Certificates, click More…
  4. Choose Trusted Certificates, then Import, and select Lavisho-Root-CA.cer.
  5. Select the imported Lavisho Root CA, click Edit Trust, and tick “Use this certificate as a trusted root” and “Certified documents”.
  6. Click OK. Reopen the sealed PDF — the signature panel shows the seal as valid.
  7. Before trusting, check that the SHA-256 fingerprint shown in Adobe matches the one on this page.

Windows

Double-click the .cer file > Install Certificate > Current User > Place all certificates in: Trusted Root Certification Authorities. (Adobe Reader uses its own list, so also follow the Adobe steps.)

macOS

Double-click the .cer file to add it to Keychain Access, open Lavisho Root CA, expand Trust and set “When using this certificate” to Always Trust.