TNS-02520
        encryption/crypto-checksumming: no Diffie-Hellman seed
        
        
        Cause
        The "sqlnet.crypto_seed" parameter is missing from the SQLNET.ORA parameters file.
        Action
        Add this line to SQLNET.ORA: sqlnet.crypto_seed = "randomly-chosen text"
        
     
    
    
        TNS-02520
        encryption/crypto-checksumming: no Diffie-Hellman seed
        
        
        Cause
        The "sqlnet.crypto_seed" parameter is missing from the SQLNET.ORA parameters file.
        Action
        Add this line to SQLNET.ORA: sqlnet.crypto_seed = "randomly-chosen text"
        
     
    
    
        TNS-02520
        encryption/crypto-checksumming: no Diffie-Hellman seed
        
        
        Cause
        The "sqlnet.crypto_seed" parameter is missing from the SQLNET.ORA parameters file.
        Action
        Add this line to SQLNET.ORA: sqlnet.crypto_seed = "randomly-chosen text"