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Entropy rate

Definition(s):

  The rate at which a digitized noise source (or entropy source) provides entropy; it is computed as the assessed amount of entropy provided by a bitstring output from the source, divided by the total number of bits in the bitstring (yielding the assessed bits of entropy per output bit). This will be a value between zero (no entropy) and one.
Source(s):
NIST SP 800-90B