Hi,

I'm trying to implement some of the encfs features in a python program 
(off-site backup to a webdav server) and I don't really understand how 
"IV chaining" is working.

As I understand, it's the function 'setIVec' in SSL_Cipher.cpp which is 
used to calculate an IV based on a "seed" (previous IV ?) but:
- how can I initialize it ? Where is this "initial seed" ? How is it used ?
- Is this "IV chaining" also used for end-of-file streaem cipher (AES 
CFB) ? I think so but how is the IV calculated in this case ?

Thanks !
David

PS. I know I could use davfs but it's not working that well here (cache, 
not designed for huge files uplaod, ...)

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