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    Glossary
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X⊕Y

Definitions:

  Bit-wise inclusive-or of two bit-strings X and Y of the same bit length.
Sources:
NIST SP 800-20

  The bitwise exclusive-OR of two bit strings X and Y of the same length.
Sources:
NIST SP 800-38A under X⊕  Y
NIST SP 800-38B
NIST SP 800-38C under X⊕ Y
NIST SP 800-38D under X⊕ Y

  The bitwise exclusive-OR of bit strings X and Y whose bit lengths are equal.
Sources:
NIST SP 800-38F under X⊕ Y

  Bitwise exclusive-or (also bitwise addition modulo 2) of two bitstrings X and Y of the same length.
Sources:
NIST SP 800-90A Rev. 1