• Thumbnail for Checksum
    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...
    10 KB (1,197 words) - 14:50, 22 May 2024
  • 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...
    5 KB (726 words) - 19:07, 1 April 2024
  • packets. To assure correctness a checksum field is included; see § Checksum computation for details. The TCP checksum is a weak check by modern standards...
    106 KB (12,545 words) - 13:36, 22 June 2024
  • 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...
    24 KB (2,717 words) - 16:45, 8 June 2024
  • The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John G. Fletcher (1934–2012) at Lawrence Livermore Labs in...
    18 KB (2,590 words) - 12:57, 20 October 2023
  • 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...
    10 KB (280 words) - 10:21, 23 June 2024
  • ICMPv6 (section Checksum)
    The header contains only three fields: type (8 bits), code (8 bits), and checksum (16 bits). type specifies the type of the message. Values in the range...
    16 KB (880 words) - 15:15, 25 June 2023
  • Luhn algorithm (redirect from Luhn checksum)
    total += digit > 9 ? digit - 9 : digit; } int checksum = number.charAt(n - 1) - '0'; return (total + checksum) % 10 == 0; } function luhnCheck(input: number):...
    11 KB (1,222 words) - 16:20, 29 June 2024
  • 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...
    3 KB (353 words) - 09:48, 7 January 2023
  • Thumbnail for International Article Number
    5). The checksum is calculated as sum of products – taking an alternating weight value (3 or 1) times the value of each data digit. The checksum digit is...
    21 KB (2,351 words) - 04:51, 30 June 2024