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Wallet Rotation for DigiCert G1 Certificate End – Oracle Autonomous Database
Overview
Oracle Autonomous Database customers using mutual TLS (mTLS) authentication must prepare for the upcoming DigiCert G1 root certificate distrust.
Starting April 15, 2026, DigiCert will stop trusting G1 root certificates, which may impact database connectivity for wallets generated before January 28, 2026.
To ensure uninterrupted connectivity, organizations should update their database wallets before the deadline.
Background
DigiCert has announced the distrust of G1 root certificates.
Older wallets generated for Oracle Autonomous AI Database may contain these certificates.
Applications that use mTLS wallet-based authentication may fail to connect to the database once the certificate trust ends.
To prevent connectivity issues, a new wallet must be downloaded or rotated before April 15, 2026.
Wallet Rotation in OCI
Below are the steps followed to rotate and update the database wallet.
Step 1 – Login to OCI Console
Login to the **Oracle Cloud Infrastructure Console using your credentials.
Step 2 – Navigate to Autonomous Database
From the OCI Console menu:
Oracle Database
→ Autonomous Database
Step 3 – Select the Database
Locate and click the Autonomous Database instance for which the wallet needs to be updated.
Step 4 – Open Database Connection
Inside the database details page, navigate to:
Database Connection
This section contains the connection information and wallet management options.
Step 5 – Rotate the Wallet
Click the Rotate Wallet option.
OCI will automatically:
- Generate a new wallet
- Replace old certificates
- Prepare a new secure connection bundle
Wait for the rotation process to complete.
Step 6 – Download the New Wallet
After rotation:
- Click Download Wallet
- Enter a wallet password
- Download the wallet ZIP file
This file contains:
- tnsnames.ora
- sqlnet.ora
- ewallet.p12
- cwallet.sso
- Security certificates
Step 7 – Update Wallet Configuration
Extract the wallet ZIP file.
If your environment requires internal connectivity or private networking, update the HOST entry inside:
tnsnames.ora
Example:
HOST=<updated-host-or-ip>
After making changes:
- Save the file
- Repackage the wallet folder into a ZIP archive.
Step 8 – Store Wallet Securely
Upload the updated wallet to a secure credential management system or internal password vault.
Ensure:
- Restricted access
- Secure storage
- Controlled distribution to application team
Validation
After updating the wallet, validate the connectivity.
Test database connections using:
- SQL Developer
- SQL*Plus
- Application integrations
Ensure applications are using the new wallet package.
Best Practices
- Always download a new wallet before certificate expiration deadlines
- Store wallets in secure vault systems
- Avoid modifying wallet files unless required
- Test connectivity after wallet updates
- Remove old wallet versions if rotation invalidates them
Conclusion
With the DigiCert G1 certificate trust ending on April 15, 2026, updating database wallets is critical for maintaining uninterrupted database connectivity.
By rotating or downloading a new wallet from OCI and updating application configurations, organizations can ensure a smooth transition without service disruptions.