How-to guides
How-to guides explain how to complete specific tasks with Redtrust. Each guide focuses on a single goal and assumes you already have Redtrust installed and configured.
First time using a certificate?
Start with Use a digital certificate, the reference guide for any user opening Redtrust for the first time.
Sign and authenticate
Guides for using your certificate in everyday tasks: signing documents, sending signed data to external systems, and authenticating with keys.
- Use a digital certificate — Reference guide for using a certificate with Redtrust for the first time
- Securely sign PDFs — Sign PDF documents with Adobe Acrobat Reader
- Sign emails with a certificate — Sign emails in new and classic Outlook using S/MIME
- Submit tax reporting data to AEAT with curl — Send SII and VeriFacTu records to AEAT using curl
- Unattended signing of documents with AutoFirma — Automate batch document signing with AutoFirma on Linux
- Configure SSH key-based authentication — Authenticate to SSH servers using keys stored in Redtrust
Configure your environment
Guides for preparing your browser and credentials before using Redtrust for the first time.
- Configure your browser — Enable the Redtrust extension in Edge, Chrome, or Firefox
- Set and change user PIN — Protect your certificate use with a PIN
Configure access
Guides for administrators defining which applications and domains users can access with their certificates.
- Create a policy — Grant access to applications or websites through a policy
- Restrict access by browser — Block specific browsers from accessing Redtrust
- Define access to eCAC — Configure access to the Brazilian tax authority's eCAC portal
- Define domain access using application-based authentication — Configure domains for application-based authentication, such as PJE Office
Maintenance
Guides for keeping your Redtrust installation healthy.
- Update license — Renew or update the license from the admin console
- Backup and restore — Create and restore Redtrust backups
- Downgrade unit — Roll back to a previous version of Redtrust