|3.5 Service Complex: Security|
|SSEC05 - Preparation for Reuse|
LSIC05 - Wiederaufbereitung
This includes all functions necessary for controlling the preparation for the reuse of objects.
This service unit comprises all functions for
|SSEC05.I.1||Interface to SSEC06 - Authenticity, Confidentiality and Liability||The service unit SSEC06 is able to initiate the preparation for reuse of reusable storage media.|
At least the SDE differentiates between the storage objects being subject to the preparation for reuse
|SSEC05.F.2||Preparation for reuse|
|SSEC05.F.2.1||Mechanism||Before other users or processes reuse any storage object it is prepared in such a way that there are no conclusions possible concerning its former contents.|
|SSEC05.F.2.2.1||Deleting||Either at the allocation or at the deallocation the former content of any storage object is deleted.|
|SSEC05.F.2.2.2||Overwriting||Either at the allocation or at the deallocation the former contents of any storage object are overwritten with new data to which a new subject may have access (initialization).|
|SSEC05.F.3||Explicit preparation for reuse||It is possible to explicitly activate the physical deletion of information on storage objects.|
|SSEC05.F.4||Automatic preparation for reuse||The content of a storage object is automatically deleted or overwritten when it is released after successful access.|
|SSEC05.F.5||Preparation for reuse at restart||
At a restart all storage objects that have not been prepared for reuse are automatically subject to the preparation for reuse.
In the case of a system breakdown it is possible that there are storage objects that have not been prepared for reuse.
|GDPA Online Last Updated 01.Jan.2002 Updated by Webmaster Last Revised 01.Jan.2002 Revised by Webmaster|