http://clemens.endorphin.org/TKS1-draft.pdf http://clemens.endorphin.org/TKS1-draft.pdf You can also use a scheme like this to improve your chances of making y

http://clemens.endorphin.org/TKS1-draft.pdf http://clemens.endorphin.org/TKS1-draft.pdf You can also use a scheme like this to improve your chances of making your expired key data unrecoverable to forensic techniques.