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Privacy on the line : the politics of wiretapping and encryption

Diffie, Whitfield.
Cambridge, Mass. ; London : MIT Press, 2010.
Updated and expanded ed.

Privacy on the Line The Politics of Wiretapping and Encryption

Diffie, Whitfield.
Cambridge, Mass. : MIT Press, 2007.
Updated and expanded ed.

Privacy on the line : the politics of wiretapping and encryption

Diffie, Whitfield.
Cambridge, Mass. ; London : MIT Press, 2010.
Updated and expanded ed.