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Analysis of a Secure Time Stamp Device

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Analysis of a Secure Time Stamp Device (PDF, 1.77MB)Published: 17 Oct, 2001
Created by:
Chris Russell

This paper discusses the design of a Secure Time Stamp device used to securely timestamp digital data, such as computer documents, files, and raw binary data of arbitrary format. Thus, the device is used to prove two facts: Existence: That a file existed on a given date and time and Data Integrity: That the file was not altered since the time it was stamped.