NSA Encryption Devices: Encryption Systems of the National Security Agency - Paperback
NSA Encryption Devices: Encryption Systems of the National Security Agency - Paperback
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by Phillip Holdridge (Author)
The National Security Agency took over responsibility for all U.S. Government encryption systems when it was formed in 1952. The technical details of most NSA-approved systems are still classified, but much more about its early systems have become known and its most modern systems share at least some features with commercial products.
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