KeyPassword property (BizCrypto XML Encrypt Task)
Contains password to the encrypting key.
Use this property to specify a password to the key.
Note that this property is sensitive, and is controlled by the project property ProtectionLevel, as it is described in the article: Setting the Protection Level of Packages. For example, if ProtectionLevel is set to DontSaveSensitive, passwords (and other sensitive data) will be suppressed when the packadge is saved.