Quite right; at worst a naive dictionary of md5s for the entire 32 bit IPv4 range would be 64G ( ( 16 * 2**32 ) / ( 2**30 ) ) which would fit on a keychain these days (not to mention winnowing out multicast and unroutable addresses would shrink it from there). You'd want to toss in some sort of not-public salt so Eve can't do a dictionary attack (and maybe the salt used for anonomonks could move periodically so that it's constant over the life of a thread but varies unpredictably month-to-month).

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^6: monastery mark-upedness (brute force) by Fletch
in thread monastery mark-upedness by my_nihilist

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