English Dictionary

nothing-up-my-sleeve number

noun

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

I used a nothing-up-my-sleeve number to encrypt the message.

意味（1）

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

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.