Hi,
Now I want to let the left bytes to be plaintext;
Another Problem how to deal with operations changing files’ size occurs.
And There are more than one operation changing the files’ size!
Anyone have better advices?
ÔÚÄúµÄÀ´ÐÅÖÐÌáµ½
David J. Craig£¬
thanks for your advice,but how to enc a file whitch is not aligned to 8,
if a file is 9 bytes,how to consolve the last byte.
please give me some idea .ildee
From: “David J. Craig”
>Newsgroups: ntfsd
>To: “Windows File Systems Devs Interest List”
>Sent: Tuesday, November 02, 2004 12:58 AM
>Subject: Re:[ntfsd] Encrypt filter device driver on ntfs
>
>
>> Dumb idea. Changing the size of files just because you are encrypting the
>> data is a very bad idea.
>>
>> wrote in message news:xxxxx@ntfsd…
>> > hi,
>> > you should add 0 to aligned your file buffer to 8,when you decrypt,delete
>> > added 0 .
>> >
>> >
>> > ----- Original Message -----
>> > From: “f”
>> > To: “Windows File Systems Devs Interest List”
>> > Sent: Monday, November 01, 2004 3:40 PM
>> > Subject: [ntfsd] Encrypt filter device driver on ntfs
>> >
>> >
>> >> Hi,
>> >> I develop a Encrypt filter device on ntfs–using Des to encrypt file
>> >> data.
>> >> It works well with those files of which length is aligned to 8 ,but
make
>> >> funny code with files of which length is not aligned to 8.
>> >> Anyone know why is it?
>> >> Thanks a lot
>> >>
>> >>
>> >>
>> >>
>> >>
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