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Self Incrimination And Cryptographic Keys, Gregory S. Sergienko

Greg Sergienko

Modern cryptography can make it virtually impossible to decipher documents without the cryptographic key thus making the availability of the contents of those documents depend on the availability of the key. This article examines the Fourth and Fifth Amendments' protection against the compulsory production of the key and the scope of the Fifth Amendment immunity against compelled production. After analyzing these questions using prevailing Fourth and Fifth Amendment jurisprudence, I shall describe the advantages of a privacy-based approach in practical and constitutional terms. [excerpt]

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The Search And Seizure Of Private Papers: Fourth And Fifth Amendment Considerations, Steven Shiffrin

Steven H. Shiffrin

There is a recognizable factual distinction between the search and seizure of private papers and the search and seizure of non-documentary items. It is difficult, however, to decide when such a distinction should assume constitutional dimensions. Specifically, are there circumstances under which private papers should be immune from search and seizure? In a 1967 landmark case, Warden v. Hayden, the United States Supreme Court raised doubts concerning the continued validity of decades of settled law on this important issue. Warden's reopening of this problem aroused the curiosity of commentators, spurred new policy arguments in the American Law Institute, divided the …

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