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Computer Security Resource Center

Computer Security Resource Center

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block size

Definition(s):

  The number of bits in an input (or output) block of the block cipher.
Source(s):
NIST SP 800-38A under Block Size

  For a given block cipher, the fixed length of the input (or output) bit strings.
Source(s):
NIST SP 800-38B under Block Size

  The bit length of an input (or output) block of the block cipher.
Source(s):
NIST SP 800-38C under Block Size

  For a given block cipher and key, the fixed length of the input (or output) bit strings.
Source(s):
NIST SP 800-38D under Block Size
NIST SP 800-38F