I would guess this could result in a sync collision within Dropbox (like the Truecrypt-in-Dropbox problem above). It appears Password Safe's DB is a single file. I didn't try to force/fiddle 1Password on iOS to use a db under BoxCryptor control as the db is already encrypted. If BoxCryptor uses a finite cache and decides to recycle the space used by the (modified) Password Safe db file - bang, file gone, replaced by a newly downloaded (different) version. I'm guessing that's a one-way trip - only decrypted by BoxCryptor, never re-encrypted and handed back to Dropbox to resync. In this case a decrypted (by BoxCryptor) version of the Password Safe db. I assume BoxCryptor maintains a local and separate cache of files it retrieves from Dropbox and decrypts. Ootherwise it looks pretty good - approach to db security looks ok, so no need to put db under BoxCryptor. I hadn't looked at Password Safe as it doesn't provide straightforward support of OS X making it a non-starter for me (similar issues as with KeePass as above). 1Password encrypts its "database" (a collection of files and folders) to a satisfactory level. Is this the way with 1password also? Or you are able to make changes to the password file from IOS devices as well? Reply DeleteĪs noted in the blog entry, I'm using 1Password hosted in Dropbox but not in BoxCryptor. But instead of this if I place the file in un-encrypted dropbox location the bidirectional sync works pefectly. When I am doing any changes from my IOS device, changes are not getting synced to dropbox. But it is getting treated as local database file for PwSafe app. When I want to open this data file for the first time I need to open boxcriptor and it will connect to dropbox and it will download the psafe3 data file and opens. Here I am missing bi directional sync feature of PwSafe. But on IOS I am using PwSafe app which supports the same data file. I am using open source password safe on my desk top the same data file I am using in boxcryptor on both devices. But for 1password for each device I feel a bit expensive for me. This solution works fine for documents to encrypt. I have tried dropbox + boxcryptor on my IOS and MsWindows7. I won't say much about this other than it became harder using Truecrypt. When I switched to TrueCrypt, I was limited to PC, Linux and Mac only (and one at a time at that), no mobile/tablet access. I could access my Dropbox files from OS X, MS-Win, iOS, Android and Linux. One thing Dropbox did well was to have clients available on all major platforms. One quickly learns to only open the Truecrypt volume on one machine at a time. If you mount your Truecrypt filesystem from two or more machines and make even vaguely concurrent changes (within a sync activity for example), you end up with two conflicted Truecrypt files. While Dropbox is efficient at syncing big files at a block level, it doesn't cope well with changes to that file happening roughly concurrently from two or more locations. Truecrypt stores its filesystem in a single file. While I felt a 1000x better about my security situation, I also lost a lot of the convenience of Dropbox by moving to Truecrypt: Truecrypt felt good as it was opensource, free, stable, secure, and reasonably usable on OS X and MS-Win. When Dropbox had various security issues last year ( the no passwords required for some hours was the kick I needed to sort my security out), I started using Truecrypt to contain all sensitive material I was keeping in Dropbox. (If you want to skip the below and just get the recommended answer, go buy Boxcryptor and 1Password on all your platforms.
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