Locking up Linux: Creating a Cryptobook

Linux kernel version 2.6.4 introduced an improved cryptographic infrastructure that enables relatively easy and secure containment of sensitive data at many levels of software. There are block-level encryption infrastructures like those provided by the Linux Unified Key Setup (LUKS), and user-space implementations like those in the EncFS and CryptoFS file systems, themselves based entirely on the Fast Userspace File System (FUSE) for Linux. Of course, any crypto system is ultimately only as strong its passwords or keys.

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