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Nothing-up-my-sleeve number
In cryptography, nothing-up-my-sleeve numbers are any numbers which, by their construction, are above suspicion of hidden properties. They are used in creating cryptographic functions such as hashes and ciphers.
Although not directly related, after the backdoor in Dual_EC_DRBG had been exposed, suspicious aspects of the NIST's P curve constants[14] led to concerns[15] that the NSA had chosen values that gave them an advantage in finding[16] private keys. Bernstein and coauthors demonstrate that use of nothing-up-my-sleeve numbers as the starting point in a complex procedure for generating cryptographic objects, such as elliptic curves, may not be sufficient to prevent insertion of back doors. Retrieved 2015-05-20.^ How to manipulate curve standards: a white paper for the black hat Archived 2016-03-08 at the Wayback Machine Daniel J. Bernstein, Tung Chou, Chitchanok Chuengsatiansup, Andreas Hu ̈lsing, Eran Lambooij, Tanja Lange, Ruben Niederhagen, and Christine van Vredendaal, September 27, 2015, accessed June 4, 2016
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