Xi - Glossary

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Xi

Definition(s):

The elements of the string consisting of±1 that is to be tested for randomness, where Xi = 2ei-1.
Source(s):
NIST SP 800-22 Rev. 1a

For a positive integer i, the ith power of X under the product ‘•’.
Source(s):
NIST SP 800-38D

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.