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).


a trip made at another's expense

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