one–time pad


Definition of one–time pad

  1. :  a random-number additive or mixed keying sequence to be used for a single coded message and then destroyed

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Origin and Etymology of one–time pad

probably from its original form's being a pad of keys whose sheets were torn off and discarded after a single use

First Known Use: 1953

Seen and Heard

What made you want to look up one–time pad? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

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