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One source of entropy in Linux is the RDRND instruction. If you control or predict its output you can do a lot of harm.
by partycoder 9y ago
One source of entropy in Linux is the RDRND instruction. If you control or predict its output you can do a lot of harm.
- SEJeff 9y agoIt really depends on a lot of the software as well. Linux doesn't inherently trust just the CPU instructions for entropy. In fact, it recently borrowed a new feature from OpenBSD and added it called getrandom(): https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c6e9d6f38894798696f23c8084ca7edbf16ee895 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...