Encrypting the storage stream (BLOB)
In Pega Platform, you can encrypt the storage stream (BLOB) by using a platform or custom cipher.
Update the class forms. Perform the following actions:
Open each class form that is to hold instances that have encrypted Storage Stream values and select the Encrypt BLOB check box on the General tab.
Save the class form.
Repeat steps a and b for all affected classes.
ArticleEncrypting application data