When an encrypted file is accessed the user is prompted to provide the private key phrase before the file can be opened. Once files are encrypted in this manner they can be accessed by an of the comprehensive SME desktop (Web, Mac, Windows, Linux) or mobile tools (Windows Phone, iOS, Android, BlackBerry). The expected effort of exhaustive key search depends on the length of the Cipher Key and for a 16-byte key, 2127 applications of Rijndael. The most efficient key-recovery attack for Rijndael is exhaustive key search. The likelihood of recovering a file that has been encrypted using our encryption is fairly remote. The chaining variable goes into the “input” and the message block goes into the “Cipher Key. A random initialisation vector is generated when the user supplies an encryption key. SME uses AES-256 encryption using the Rijndael cipher, with Cipher Block Chaining (CBC) where the block size is 16 bytes. Unlike the personal encryption the key phrase is either stored encrypted by the SME service, or it can be stored with a self hosted Vault instance.įor enterprise users who self-host the SME service then the key is can be stored on the service behind the corporate firewall or again it could use the open source Vault software on a key server. SME supports 50+ cloud storage vendors, which means companies are able to take advantage of private key encryption for some, or all data, across cloud storage providers.įor individual users of our cloud SaaS services SME uses a key entered by a user to encrypt data, but the key is not stored on the SME hosted service. If the key is lost, or forgotten, then when trying to subsequently access the file the user will not be able to gain access to the file as the correct key phrase will not be known.įor companies that use the SME SaaS hosted service team Admins specify a key that uses a similar mechanism but is applied to all users. One of the features that Storage Made Easy provides is an encryption feature that can encrypt data uploaded to remote (and local) Cloud Storage. Many Cloud Storage companies’ talk about encrypting data ‘at rest’ but the real issue is that the storage companies control the encryption rather than the company whose data is stored controlling the private key. This product looks like a winner for those using Dropbox, but others need to look carefully at their options if they also want to view the documents on an iPad or other mobile device.The recent PRISM Data snooping controversies have heightened almost every companies awareness of the potential vulnerabilities of data stored off-premise in the Cloud.
In viewing the support page to see if this issue was being addressed, BoxCryptor made it clear that it had no immediate plans to extend its iOS support beyond Dropbox to include SkyDrive, Google Drive or other cloud options. Given the growing importance of being able to access documents on iPads, I thought that BoxCryptor should have clarified up front that there was no iOS support for the SkyDrive. Although BoxCryptor has an iPhone/iPad app that is integrated with Dropbox, there is no iPad application that allows me to decrypt SkyDrive documents on my iPad. I was disappointed to find out that I could not access the encrypted files on my iPad. I can now access the encrypted file on each computer with BoxCryptor installed. I started saving documents to the BoxCryptor drive and found an encrypted copy on my SkyDrive. And, BoxCryptor did make it easy to start.
After making a new BoxCryptor drive on the hard-drive, I was taken to the Getting Started File to ensure that the initial use was easy. There was supposed to be an option for Google Drive, but it remained grayed out and would not work.įor me, the association to SkyDrive was easy. When opening the program for the first time, I was given a choice to associate BoxCryptor with Dropbox, SkyDrive and other.
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The download and initial installation was easy. Continuing my search, I downloaded BoxCryptor to see if it would work for me.
However, neither provide me with complete assurance that their existing security adequately protects documents that I want to keep completely confidential.Īfter trying Viivo (formerly SecretSync) I found that the use of the product was not intuitive for me. My preferred cloud storage options at this time are either Microsoft SkyDrive or Dropbox. I have been looking for an easy and affordable way to encrypt my electronic documents stored in the cloud.
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