Cloud File Manager for Windows Phone updated: Unify access to your Cloud Files

We recently updated The Windows Phone Cloud File Manager. Features include:

– Instant access to unified Cloud files anytime, anywhere direct from a WP7 device.

– Assign lengthy tasks and operations to the SME Platform Tasks Engine (PTE). Use your phone while tasks are completed in background. Check progress at anytime in cloud tasks.

– Manage multiple Clouds in a single view. Easily move files between different clouds, done in background.

– Advanced Cloud Search feature that can search for files across multiple clouds.

– Unique Cloud Clipboard feature enables file management from different clouds in batches, without downloading & then uploading.

– Unique Direct Upload uploads files from web directly, no need to download and then upload, just enter file address and our servers will upload it in background.

– Open files in the phone in Microsoft Office, MediaPlayer etc.

– Share and collaborate – share files to social networks (Facebook, LinkedIn, Twitter, Windows Live, etc.), over email or with users groups.

– Record audio (even with screen locked), take notes and 2-way sync with chosen Cloud(s). No need for another recording App.

– 2-way sync pictures with different Clouds. Integrated with Pictures hub. Pictures can be uploaded (shared) directly from the hub.

We have seen a recent surge in business customers wanting to use the Windows Phone with our Cloud File Server SaaS and hosted hybrid appliance and expect this to continue with the recently announced windows phone business features.

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Rich Client enabling HP Object Cloud Storage

SMEStorage Cloud File Server now supports HP Object Storage which is in public beta. You can sign up for HP Object Storage from HP Cloud Services here.

To add HP Object Storage to your account after sign up please take the following steps:

Navigate to your DashBoard and choose to add a new Cloud Provider and choose the HP Cloud:

Next follow the wizard to enter the correct information:

When you are authenticated, if there are existing buckets then you can choose to index them to make them available via the SME Cloud File Server and/or you can create a new bucket name:

Next your can choose to sync or index your data. All this does is find out information about your data such as filename, date, size etc.

Once done your data is available to work with through the web rich client as well as other mobile and desktop tools:

In a future blog article we will look at how you can use HP Cloud Storage to implement a full fledged multi-tenant Cloud File Server in which you can assign user permissions and governance controls to data.

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Encrypting Cloud Files on Android, BlackBerry, Windows Phone and iPad / iPhone

One of the issues that becomes apparent with more users choosing to work from mobile phones and tablets is the issue of security. Sometimes these devices can end up in the wrong hands and when that happens it is reasonable to take precautions about how can open and gain access to files you have stored in the Cloud.

The secondary security concern can be with Cloud the Providers themselves. Users often want to protect certain  files on the actual Cloud where they reside, and to that end they can want to use encryption independent of the Cloud Provider.

This particular use case can be solved by using the Cloud encryption service that SMEStorage provides. This features is provided to free, personal, and Cloud File Server users.

Encryption works when users upload files from SMEStorage web or desktop access Client, to any of the 35 Cloud Storage and Saas Providers that SMEStorage supports. Users connect over SSL and assign files a key phrase to file that are uploaded. This key phrase is not stored anywhere on the SME service, and files are encrypted as they stream through the SME service to the remote Cloud Provider.

When web, windows / Mac / Linux, or iOS, Android, WP7 or BlackBerry mobile clients are used to try and access an encrypted file then a password prompt will be presented and the file will be unable to be accessed until this key phrase is entered. If the files is share using a file share link then anyone who then tries to open the file will also be required to enter the key phrase before accessing the file.


SMEStorage uses AES-256 encryption using the Rijndael cipher, with Cipher Block Chaining (CBC) where the block size is 16 bytes. The cipher Rijndael consists of:

– an initial Round Key addition
– Nr-1Rounds
– a final round.

The chaining variable goes into the “input” and the message block goes into the “Cipher Key. The likelihood of recovering a file that has been encrypted using our encryption is fairly remote. The most efficient key-recovery attack for Rijndael is exhaustive key search. The expected effort of exhaustive key search depends on the length of the Cipher Key and for a 16-byte key, 2 to the power of 127 applications of Rijndael.

Any AES-256 decryption tool that supports the Rijndael cipher with 16 byte blocksizes can be used to un-encrypt files. For example the popular freeware file manager Total Commander has a free plugin to handle such decryption.

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