Device with n-time pad and a method of managing such a pad
OwnerMartin Sadlerinventor
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Abstract
Data from an n-time pad is used in security-related tasks. To accommodate use of the pad with security-related tasks of different security ratings, the maximum number of times any particular data from the pad is used is determined by the security rating of the highest-security application using that data.
Claims10
A method of managing an n-time pad from which data is used in security-related tasks, wherein in order to accommodate use of the pad with security-related tasks of different security ratings, the maximum number of times any particular data from the pad is used is determined by the security rating of the highest-security application using that data.
A device comprising:
- a memory for holding an n-time pad and usage-related values concerning usage of data from the n-time pad, and
- a consumption arrangement for using data from the n-time pad in executing security-related tasks
- wherein, in order to accommodate use of the pad with security-related tasks of different security ratings, the consumption arrangement is so arranged that the maximum number of times any particular data from the pad is used is determined by the security rating of the highest-security application using that data.
Dependencies are inferred from the claim text.