How to fix the Oracle error TNS-12684: encryption/crypto-checksumming: Diffie-Hellman seed too small?

In this post, you’ll learn more about the Oracle ErrorTNS-12684: encryption/crypto-checksumming: Diffie-Hellman seed too small with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12684: encryption/crypto-checksumming: Diffie-Hellman seed too small

Reason for the Error TNS-12684: encryption/crypto-checksumming: Diffie-Hellman seed too small

Cause: The “sqlnet.crypto_seed” parameter in the SQLNET.ORA parameter file for Oracle Advanced Security is too small.

How to fix the Error TNS-12684: encryption/crypto-checksumming: Diffie-Hellman seed too small ?

You can fix this error in Oracle by following the below steps

Action: Add more randomly-chosen text to it, perhaps using Network Manager.