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  2. Internet checksum - Wikipedia

    en.wikipedia.org/wiki/Internet_checksum

    The Internet checksum, [1] [2] also called the IPv4 header checksum is a checksum used in version 4 of the Internet Protocol (IPv4) to detect corruption in the header of IPv4 packets. It is carried in the IP packet header , and represents the 16-bit result of summation of the header words.

  3. Checksum - Wikipedia

    en.wikipedia.org/wiki/Checksum

    The effect of a checksum algorithm that yields an n-bit checksum is to map each m-bit message to a corner of a larger hypercube, with dimension m + n. The 2 m + n corners of this hypercube represent all possible received messages. The valid received messages (those that have the correct checksum) comprise a smaller set, with only 2 m corners.

  4. List of hash functions - Wikipedia

    en.wikipedia.org/wiki/List_of_hash_functions

    BSD checksum (Unix) 16 bits sum with circular rotation SYSV checksum (Unix) 16 bits sum with circular rotation sum8 8 bits sum Internet Checksum: 16 bits sum (ones' complement) sum24 24 bits sum sum32 32 bits sum fletcher-4: 4 bits sum fletcher-8: 8 bits sum fletcher-16: 16 bits sum fletcher-32: 32 bits sum Adler-32: 32 bits sum xor8: 8 bits ...

  5. Fletcher's checksum - Wikipedia

    en.wikipedia.org/wiki/Fletcher's_checksum

    The checksum value is transmitted with the message, increasing its length to 137 bytes, or 1096 bits. The receiver of the message can re-compute the checksum and compare it to the value received to determine whether the message has been altered by the transmission process.

  6. cksum - Wikipedia

    en.wikipedia.org/wiki/Cksum

    cksum is a command in Unix and Unix-like operating systems that generates a checksum value for a file or stream of data. The cksum command reads each file given in its arguments, or standard input if no arguments are provided, and outputs the file's 32-bit cyclic redundancy check (CRC) checksum and byte count. [1]

  7. Klobuchar says she can't make a decision on Trump nominees ...

    www.aol.com/klobuchar-says-she-cant-decision...

    Democratic Minnesota Sen. Amy Klobuchar emphasized Sunday the importance of FBI background checks for Trump's Cabinet nominees, which she said was necessary for their confirmation. "I want to make ...

  8. Frame check sequence - Wikipedia

    en.wikipedia.org/wiki/Frame_check_sequence

    By far the most popular FCS algorithm is a cyclic redundancy check (CRC), used in Ethernet and other IEEE 802 protocols with 32 bits, in X.25 with 16 or 32 bits, in HDLC with 16 or 32 bits, in Frame Relay with 16 bits, [3] in Point-to-Point Protocol (PPP) with 16 or 32 bits, and in other data link layer protocols.

  9. The top 100 Cyber Monday deals, according to Walmart - AOL

    www.aol.com/lifestyle/the-top-100-cyber-monday...

    It's the fraction of the price of a MacBook but will get you happily connected to the internet easily. $299 at Walmart. TVs. onn. Full motion TV wall mount for $29 (save $20)