Enabling Oracle Instant Client Code Signing

Starting with Oracle Database Client 19c (19.22), you can verify the code sign for Oracle Instant Client zips and RPMs to ensure the integrity of the packages before you deploy them in your environments.

• Verifying Signed Oracle Instant Client Zip Files
  Use the Java utility jarsigner to verify the integrity of your Oracle Instant Client zip files.
• Verifying Signed Oracle Instant Client RPM Packages
  Use the rpm command to perform operations such as listing and verifying the signature fingerprint for Oracle Instant Client RPM packages for Oracle Linux.