Tag: Data Destruction

Wipe

Wipe is a secure file wiping utility. There are some low level issues that must be taken into consideration. One of these is that there must be some sort of write barrier between passes. Wipe uses fdatasync(2) (or fsync(2)) as a write barrier, or if fsync(2) isn’t available, the file is opened with the O_DSYNC …

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Permanent link to this article: https://www.darknessgate.com/2015/02/07/wipe-2/

srm – secure file deletion for posix systems

srm is a secure replacement for rm(1). Unlike the standard rm, it overwrites the data in the target files before unlinking them. This prevents command-line recovery of the data by examining the raw block device. It may also help frustrate physical examination of the disk, although it’s unlikely that it can completely prevent that type …

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Permanent link to this article: https://www.darknessgate.com/2015/02/06/srm-secure-file-deletion-posix-systems/