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julienberbach123's avatar
julienberbach123
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24 days ago

ICSE / Wireshark final exercice : how to rebuilt the Pdf?

Hi everyone, in the last exercise, I managed to rebuilt the pdf file and it is perfectly readable, however the md5 hash generated from it keeps on been wrong. Is there anything special to consider wh...
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gwenael's avatar
gwenael
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24 days ago

Hi,

How looks like the md5 hash of the file ?

  • julienberbach123's avatar
    julienberbach123
    Icon for Bronze II rankBronze II
    24 days ago

    Hi, it's for me c880fe58d8a3c5c6ac4a2f45112be054
    At last I though it is the newline character at the end of each chunk, but it also does not work. 

    • gwenael's avatar
      gwenael
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      24 days ago

      I also  made the concatenate with cat command but I don’t remember to have remove anything before concatenating.

      • julienberbach123's avatar
        julienberbach123
        Icon for Bronze II rankBronze II
        24 days ago

        OK, so may I ask if you have just removed the bondary line, and left the rest before concatenation? 

        --------------------------29c9b0d697280692^M
        Content-Disposition: form-data; name="fileToUpload"; filename="file.001"^M
        Content-Type: application/octet-stream^M
        ^M
        %PDF-1.4^M%âãÏÓ^M
        3597 0 obj^M<< ^M/Linearized 1 ^M/O 3601 ^M/H [ 953 1837 ] ^M/L 20702285 ^M/E 62511 ^M/N 618 ^M/T 20630225 ^M>> ^Mendobj^M