Free DCS MD5 Errors with Very Large Files

Discussion in 'DCS Freeware' started by nuljet, Oct 31, 2006.

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  1. nuljet

    nuljet Registered Member

    Sep 27, 2006
    The free DiamondCS MD5 utility doesn't compute correct md5 hashes for very large files.

    I've tested with the latest Knoppix cd (696MB): KNOPPIX_V5.0.1CD-2006-06-01-EN.iso
    which official md5 is 653acc801d4059598bd388de8171a20d.

    This value is properly given by md5summer and hashcalc for example.
    But DCS MD5 gives 4CAEF60394D90C68A6F0548B52C33351.

    However, proper md5 values are given for smaller files, at least up to ~100MB. I've not tested where DCS MD5 breaks down.
    Last edited: Oct 31, 2006
  2. FanJ

    FanJ Updates Team

    Feb 9, 2002

    I think you're right.

    Here is a big file of 650 MB.


    The file U:\061022-1-\061022-1-1.tib has the following Checksum(s)
    MD5 - 5F08C1825968FD0833E3F3A38A204C2A

    DAMN Hash Calculator:

    Calculating hash of 681574400 bytes file U:\061022-1-\061022-1-1.tib...
    MD5 : 5F08C1825968FD0833E3F3A38A204C2A
    Calculation took 42.860 seconds

    DCS MD5:

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