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    Glossary
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|x|

Definitions:

  The length (in bits) of the bit string x. For example, |01100100| = 8.
Sources:
NIST SP 800-106

  The absolute value of x.
Sources:
NIST SP 800-56B Rev. 2 under │x│

  The length of a bit string X in bits.
Sources:
NIST SP 800-108r1 [August 2022 (Includes updates as of 02-02-2024)] under |X|