| 摘要 |
A random-number generation apparatus includes two pseudo-random-number (PN) sequence generation circuits for generating PN sequences serving as random-number generation sources, a timing generation circuit for determining the timing of random-number generation processing, two gate circuits which open according to a control signal CTT sent from the timing generation circuit, a DES encryption circuit for executing DES encryption processing according to the control signal CTT sent from the timing generation circuit, and a switch for selecting data from a plurality of items of data.
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