Computer crime and the Fifth and Tenth

Thanks to Volokh Conspiracy here is an important case relevant to “searches” of computers.

We hold that the act of Doe’s decryption and production of the contents of the hard drives would sufficiently implicate the Fifth Amendment privilege. We reach this holding by concluding that (1) Doe’s decryption and production of the contents of the drives would be testimonial, not merely a physical act; and (2) the explicit and implicit factual communications associated with the decryption and production are not foregone conclusions.

First, the decryption and production of the hard drives would require the use of the contents of Doe’s mind and could not be fairly characterized as a physical act that would be nontestimonial in nature. We conclude that the decryption and production would be tantamount to testimony by Doe of his knowledge of the existence and location of potentially incriminating files; of his possession, control, and access to the encrypted portions of the drives; and of his capability to decrypt the files.

We are unpersuaded by the Government’s derivation of the key/combination analogy in arguing that Doe’s production of the unencrypted files would be nothing more than a physical nontestimonial transfer. The Government attempts to avoid the analogy by arguing that it does not seek the combination or the key, but rather the contents. This argument badly misses the mark. In Fisher, where the analogy was born, and again in Hubbell, the Government never sought the “key” or the “combination” to the safe for its own sake; rather, the Government sought the files being withheld, just as the Government does here. Hubbell, 530 U.S. at 38, 120 S. Ct. at 2044 (trying to compel production of documents); Fisher v. United States, 425 U.S. at 394–95, 96 S. Ct. at 1572–73 (seeking to access contents possessed by attorneys).

Requiring Doe to use a decryption password is most certainly more akin to requiring the production of a combination because both demand the use of the contents of the mind, and the production is accompanied by the implied factual statements noted above that could prove to be incriminatory. See Hubbell, 530 U.S. at 43, 120 S. Ct. at 2047. Hence, we conclude that what the Government seeks to compel in this case, the decryption and production of the contents of the hard drives, is testimonial in character.

The case is In re Grand Jury Subpoean Duces Tecum v. Doe, from the Tenth.

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