Definition of Checksum. Meaning of Checksum. Synonyms of Checksum

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Definition of Checksum

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Meaning of Checksum from wikipedia

- A checksum is a small-sized block of data derived from another block of digital data for the purpose of detecting errors that may have been introduced...
- The Internet checksum, also called the IPv4 header checksum is a checksum used in version 4 of the Internet Protocol (IPv4) to detect corruption in the...
- connection and that UDP doesn't keep track of what it has sent. UDP provides checksums for data integrity, and port numbers for addressing different functions...
- packets. To ****ure correctness a checksum field is included; see § Checksum com****tion for details. The TCP checksum is a weak check by modern standards...
- The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John G. Fletcher (1934–2012) at Lawrence Livermore Labs in...
- The BSD checksum algorithm was a commonly used, legacy checksum algorithm. It has been implemented in old BSD and is also available through the sum command...
- redundancy checks, checksum functions, and cryptographic hash functions. Adler-32 is often mistaken for a CRC, but it is not: it is a checksum. Hash function...
- The SYSV checksum algorithm was a commonly used, legacy checksum algorithm. It has been implemented in UNIX System V and is also available through the...
- The header contains only three fields: Type (8 bits), Code (8 bits), and Checksum (16 bits). Type: 8 bits Specifies the type of the message. Values in the...
- Adler-32 is a checksum algorithm written by Mark Adler in 1995, modifying Fletcher's checksum. Compared to a cyclic redundancy check of the same length...