Everyday Cryptography: Fundamental Principles and Applications by Martin Keith M

Author:Martin, Keith M. [Martin, Keith M.]
Language: eng
Format: mobi
Publisher: Oxford University Press
Published: 2012-02-29T16:00:00+00:00

HARDWARE-BASED NON-DETERMINISTIC GENERATORS

Hardware-based non-deterministic generators rely on the randomness of physical phenomena. Generators of this type require specialist hardware. Generally speaking, these are the best sources of ‘true’ randomness. Examples include:

• measurement of the time intervals involved in radioactive decay of a nuclear atom;

• semiconductor thermal (Johnson) noise, which is generated by the thermal motion of electrons;

• instability measurements of free running oscillators;

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