1. How to configure EncFS on OSX 10.10 (Yosemite)

    With EncFS it's possible to keep our data in almost any cloud (Dropbox, OneDrive, etc...), having a good level of privacy and security. Infact EncFS encrypt and decrypt our data automatically. It's available for Linux as well and using a commercial solution (that is currently unsupported) even on Windows.

    Installing EncFS

    EncFS can be installed from brew. If you don't have brew package manager installed on OSX you can install it using this command:

    ``` {.lang:sh .decode:true} ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

    After brew, you need to install **OSXFuse** from this
    website <http://osxfuse.github.io>
    
    Finally you can install **encfs** using this command:
    
    ``` {.lang:sh .decode:true}
    brew install homebrew/fuse/encfs
    

    Configuring the encrypted folder

    Now that EncFS is installed, you can either mount an existing EncFS volume or create a new one. In both cases the command is the same:

    ``` {.lang:sh .decode:true} encfs ~/Dropbox/Private ~/Private

    If you are mounting an existing encrypted volume, you will be prompted
    for the password. If you are creating a new encrypted volume you will be
    asked some questions about EncFS parameters.
    
    **Note:** if it's important for you to keep compatibility with
    **[BoxCryptor Classic](https://www.boxcryptor.com/en/classic)** (in case
    you want to use the same volume under Windows), please refer to this
    other article I
    wrote: <https://www.andreagrandi.it/2014/09/12/create-an-encfs-volume-compatible-with-boxcryptor-classic/>
    
    Mount the encrypted volume on startup
    -------------------------------------
    
    First of all you need to save the volume's password inside the OSX
    keychain. Open the app **Keychain Access** and create a new entry with
    name **encfs** and account value **encfs**, then write your **password**
    and click **Add**:
    
    [![encfs\_keychain\_access](https://www.andreagrandi.it/wp-content/uploads/2015/10/encfs_keychain_access.png){.aligncenter
    .size-full .wp-image-1052 width="428"
    height="397"}](https://www.andreagrandi.it/wp-content/uploads/2015/10/encfs_keychain_access.png)
    
    Once the password is saved, **open a text editor** and paste this script
    and save it as **encfs\_mount.sh** inside your **\$HOME** folder:
    
    ``` {.lang:sh .decode:true}
    #!/bin/bash
    # Secure EncFS Dropbox mounter by Daniel Widerin <[email protected]>
    
    SOURCE=~/Dropbox/Private
    TARGET=~/Private
    VOLUME_TITLE=Private
    KEYCHAIN_PASSWORD='encfs'
    ENCFS=/usr/local/bin/encfs
    
    mount | grep $TARGET >/dev/null
    [[ "$?" -eq "0" ]] && /usr/sbin/diskutil unmount $TARGET
    
    if [ ! -d $TARGET ]; then
     echo "Create new mountpoint $TARGET"
     mkdir $TARGET
     chmod 0700 $TARGET
    fi
    
    $ENCFS $SOURCE $TARGET --extpass="security 2>&1 >/dev/null find-generic-password -gl '$KEYCHAIN_PASSWORD' |grep password|cut -d \\\" -f 2" -ovolname=$VOLUME_TITLE
    

    Make it executable:

    ``` {.lang:sh .decode:true} chmod +x ~/encfs_mount.sh

    Open **AppleScript** editor and paste this text inside and save as an
    app in the \$HOME folder:
    
    [![Screenshot 2015-10-11
    19.27.14](https://www.andreagrandi.it/wp-content/uploads/2015/10/Screenshot-2015-10-11-19.27.14.png){.aligncenter
    .size-full .wp-image-1055 width="484"
    height="392"}](https://www.andreagrandi.it/wp-content/uploads/2015/10/Screenshot-2015-10-11-19.27.14.png)
    
    ``` {.lang:sh .decode:true}
    do shell script "$HOME/encfs_mount.sh"
    

    Finally, open "System Preferences" -> "Users & Groups" and add the previously saved application.

    Screenshot 2015-10-11
19.27.44{.aligncenter .size-full .wp-image-1056 width="463" height="380"}

    Final notes

    At this point encfs is configured to be mounted at startup and to save the encrypted files inside Dropbox. Please note: do not save anything directly on \~/Dropbox/Private, only read and save your files from \~/Private

    References

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  2. How to fix encfs installation on OSX 10.9 (Mavericks) and brew

    After upgrading from OSX 10.8.x to 10.9 (Mavericks), encfs recipe is broken. First of all you have to fix a problem with a library header:

    sudo ln -s /usr/include/sys/_endian.h /usr/include/sys/endian.h
    

    then you can install encfs using this remote brew recipe:

    brew reinstall https://gist.github.com/ghibble/7297078/raw/cae1ff000a5e1cfc670f5b7a611279ed494b63af/encfs.rb
    

    It's also possible that you have to fix fuse4x installation before being able to use encfs (I had to do it):

    sudo /bin/cp -rfX /usr/local/Cellar/fuse4x-kext/0.9.2/Library/Extensions/fuse4x.kext /Library/Extensions
    sudo chmod +s /Library/Extensions/fuse4x.kext/Support/load_fuse4x
    

    That's it! Please note that this is just a workaround (thanks to Giovanni Bajo for suggesting me the symlink fix). Please also note that this recipe uses fuse4x library and not the most updated osxfuse (but it works, anyway). Some other users reported me that there is a fix for the original brew recipe, and this one uses osxfuse. You can find it here https://gist.github.com/defunctzombie/7324625 but I haven't tested it yet.

    Update: to fully integrate encfs with OSX, I also suggest to follow this nice guide http://www.maketecheasier.com/install-encfs-mac/

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