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Create an encrypted disk image that grows as required
Authored by: elmimmo on Mar 04, '03 05:44:59AM

I do not know how many of you work in an environment where things need to be encrypted. I do not.

What I would consider useful, though, but do not know if would be possible via a similar trick, are writable compressed images that grow as they need. Where I work we use lots of CDs for backing up data. We used to use DiskDoubler to compress data to fit >700MB in a CD, and thus minimize the spreading of a single project among several CDs, however the process of decompressing to HD the data when you only need to look at something is rather uncomfortable.

I'd love to be able to create that sort of image so that when the image file approched 700MB I toasted it in a CD. When the data needed to be used, just loading the CD and mounting the image saved in it would grant you instant access to >700MB transparently, without the need to copy it to the HD first.

However I do not know if there is a way to make a compressed writeable disk image. Making an uncompressed writeable image and converting it to an unwriteable compressed one at some point is not that useful, since you do not know what the compressed size will be around.



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