Meaning

1 senses
  1. A number which, by its construction, is above suspicion of having hidden properties; used in creating cryptographic functions such as hashes and ciphers.

Origin

In reference to magic tricks in which the performer may have something concealed in a slee

In reference to magic tricks in which the performer may have something concealed in a sleeve (or may demonstrate to the audience that they do not).

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Forms

plural: nothing-up-my-sleeve numbers

See also

neighbours in the dictionary
nothing-up-my-sleeve number — meaning, examples, forms, synonyms | Krumeto