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0x

Definition(s):

  A string of x zero bits. For example, 05 = 00000.
Source(s):
NIST SP 800-106

  The prefix to a bit string that is represented in hexadecimal characters.
Source(s):
NIST SP 800-38C

  The marker for the beginning of a hexadecimal representation of a bit string.
Source(s):
NIST SP 800-38F

  A string of x zero bits.
Source(s):
NIST SP 800-90A Rev. 1