nothing-up-my-sleeve number
Word Rarity
Rare
Frequency: Zipf frequency 3.91 in modern English
41
Scrabble Score
23
Letters
6
Syllables
16
Unique Chars
Meaning
noun
A number which, by its construction, is above suspicion of having hidden properties; used in creating cryptographic functions such as hashes and ciphers.
Example Sentences
- "The key schedule, however, expanding the key using an essentially one-way method, is more complex, with the binary expansions of both e and the golden ratio of "nothing up my sleeve numbers"."
- "Anyway, they make the same point: “The BADA55-VPR curves illustrate the fact that 'verifiably pseudorandom' curves with 'systematic' seeds generated from 'nothing-up-my-sleeve numbers' also do not stop the attacker from generating a curve with a one-in-a-million weakness.”"
Etymology
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).