X || Y

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Definition(s):

  For strings X and Y, X || Y is the concatenation of X and Y. For example, 11001 || 010 = 11001010.
Source(s):
NIST SP 800-185

  Concatenation of two strings X and Y.
Source(s):
NIST SP 800-56B Rev. 2

  Concatenation of two strings X and Y. X andYare either both bitstrings or both byte strings.
Source(s):
NIST SP 800-90A Rev. 1

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.