Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro Newsgroups: comp.arch Subject: Re: Byte Addressability And Beyond Date: Tue, 4 Jun 2024 01:55:24 -0000 (UTC) Organization: A noiseless patient Spider Lines: 8 Message-ID: References: <2024May29.090435@mips.complang.tuwien.ac.at> <20240603132227.00004e0f@yahoo.com> <72661b952b48d0404b59832c362d1537@www.novabbs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Tue, 04 Jun 2024 03:55:24 +0200 (CEST) Injection-Info: dont-email.me; posting-host="d7d916175bb629e2353c22c0a9deb72e"; logging-data="140054"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+/i5+UsFnK78HxOX3y7z6d" User-Agent: Pan/0.158 (Avdiivka; ) Cancel-Lock: sha1:VWD5Lvj/fxVXJDNxQHYFxIzqXrg= Bytes: 1820 On Mon, 3 Jun 2024 22:47:05 +0000, MitchAlsup1 wrote: > ... if the device has encryption > services why can they not be applied sector by sector ?? They can indeed. This is what “counter mode” is for: it lets you encrypt/ decrypt any part of some large data blob with random access, without having to start from the beginning each time.