Definitions

Data

A block is

• a sequence of bits that comprise the input, output, State, and Round Key. The length of a sequence is the number of bits it contains. Blocks are also interpreted as arrays of bytes.

• a string of characters, of words, or of records, that is treated as a unit for a given purpose.

• a "[s]tring of bits of defined length.^[1]

Filter

To block means to prevent a user from accessing certain websites, content, data or emails.

References

See also

• Block length
• Overblock
• Underblock