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  1. #1
    Linux Guru Lakshmipathi's Avatar
    Join Date
    Sep 2006
    3rd rock from sun - Often seen near moon

    Smile md5 checksum

    Hi all,
    What's the basics of md5 checksum?
    I learned it's used for verify intergirty of the downloaded file.
    can some one help me how to implement md5 checksum to application.
    how to create md4 checksum as well as how to verify them?
    First they ignore you,Then they laugh at you,Then they fight with you,Then you win. - M.K.Gandhi
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  2. #2
    Linux Guru Cabhan's Avatar
    Join Date
    Jan 2005
    Seattle, WA, USA
    How do you mean? Do you mean how to find the md5 checksum of something? You can just run the 'md5sum' command. If you are distributing something (say, an ISO or something), it is traditional to run md5sum on all of the contents of your package, and redirect the output to a file called MD5SUM. Then people can use the 'md5sum -c MD5SUM' command to automatically check all the files to ensure integrity.

    If you meant how to actually implement the MD5 algorithm, well, Wikipedia has a good explanation:
    MD5 - Wikipedia, the free encyclopedia

    I'm sure you could find other online resources as well.

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