<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class=""><div class=""><blockquote type="cite" class="">Who's going to write the first paper on attacking such a device through power analysis of the sounds it makes as it runs?<br class=""><br class="">TANSTAAFL<br class=""></blockquote><br class="">Have you not seen the cover of Philip Agee's 1975 whistleblowing<br class="">memoir?<br class=""><br class=""><a href="https://www.amazon.com/Inside-Company-Diary-Philip-Agee/dp/0883730286/" class="">https://www.amazon.com/Inside-Company-Diary-Philip-Agee/dp/0883730286/</a><br class=""><br class="">methinks the CIA solved this problem during the Ford administration.<br class=""></div></div></blockquote></div>My answer was tongue in cheek, but in fact if I remember right, Spycatcher - <div class=""><a href="https://www.amazon.com/Spy-Catcher-Autobiography-Intelligence-Officer/dp/0670820555/ref=pd_cp_14_1?_encoding=UTF8&psc=1&refRID=6KN89S8SAWPETD0Z43CD" class="">https://www.amazon.com/Spy-Catcher-Autobiography-Intelligence-Officer/dp/0670820555/ref=pd_cp_14_1?_encoding=UTF8&psc=1&refRID=6KN89S8SAWPETD0Z43CD</a> - discusses listening to the sound of typing on Soviet crypto machines to determine the cleartext that was being typed into them.</div><div class=""><div class=""> -- Jerry</div></div><div class=""><br class=""></div></body></html>