bug#38168: shred vs. SSD

2019-11-11 Thread Paul Eggert
Thanks for mentioning this. I installed the attached patch to fix the problems that you mentioned, except that I didn't add a section on storage media, data remanence, and data forensics (partly because a lot of this stuff is secret). If someone would like to contribute text in that area, it

bug#38168: shred vs. SSD

2019-11-11 Thread Egmont Koblinger
Hi, shred's man and info pages devote several paragraphs to explain "a very important assumption: that the file system overwrites data in place." However, they don't mention that the underlying storage also has to meet this criterium. In particular, today's widely used SSD drives are known to