Oracle Error ORA-19920: RMAN does not support PKI-based master key for encryption.

Oracle Error Message

ORA-19920: RMAN does not support PKI-based master key for encryption.

Reason for the Error

An attempt was made to use Oracle public key infrastructure (PKI) based master key algorithm. RMAN only supports Advanced Encryption Standard (AES) based encryption.

Solution

Use AES based encryption.