The result was merge to Fill device. Liz Read! Talk! 21:57, 2 September 2022 (UTC)
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Subject fails WP:GNG. Previously PRODed, then deproded because it "describes an important historic method of cryptographic key distribution". But a WP:BEFORE search brings a few results, but those are still insufficient to establish GNG. BilletsMauves€500 20:59, 26 August 2022 (UTC)