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PRISE - File Encryption for secure Cloud Storage

By Informatikkontor Nils Durner

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PRISE is your secure file storage option for the cloud: keeping your critical and sensitive data safe is something you would rather have under your control than relying on the security features of cloud storage service providers. Too often have software bugs, faulty configuration or operator errors in computing centers, routinely into computersystems breaking criminals or careless, curious or avaricious employees undermined data privacy. Make sure your files that require protection are really save in Dropbox & Co. as you control their security level.

PRISE stands for "PRovider Independend SEcurity".
Based on this idea, among security experts known as "Principle of Least Authority", we have developed this App.

• Encrypt data right on your device: neither your Internet Provider nor your Cloud Storage Provider get to see your unencrypted data at any time

• Don't rely on the kind of encryption your cloud storage provider may employ. PRISE derives cryptographically strong keys from your passwords. These keys are not stored and do not leave your devices.

• Access encrypted files without any restrictions from your iPhones and iPads

• Add the extra layer of security: don't rely on others trying to keep your data safe. PRISE puts your privacy in the most responsible hands - your own!

Main features:

+ integration with other Apps via "Open In..." function: you can pass documents from and to other Apps like Mail, Mobile Safari and others

+ encryption in OpenPGP format with hardware-accelerated AES-256 and SHA-256, a widely accepted standard used on Mac OS, Windows and Linux. Encrypt files on your desktop using one of the many PGP applications (GnuPG, GPGee, GPGTools, WinPT, Gpg4Win 1.x, ...), save them to the cloud and open them in PRISE later. Or the other way around.

+ file storage directly in the cloud, no extra service provider required. Supported services include:
+ Amazon S3 (via In-App purchase)
+ Dropbox
+ Host Europe Cloud Storage (via In-App purchase)
+ Microsoft SkyDrive
+ TelekomCloud Mediencenter

+ individual passwords for files possible: giving out one password won't reveal all content in your personal storage space

+ content hiding: each folder can have multiple passwords, each password reveals different content

Professional Security:

Encryption methods applied in PRISE are

+ compliant to definitions of international standardization organizations (such as ISO and IEEE)

+ endorsed by government institutions (such as US NIST and German Federal Network Agency)

+ tried and proven in industry

+ always up-to-date, always state of the science


Please do not hesitate to contact us via mailto: "prise at iknd dot de".

Especially if you have an issue with our app we appreciate if you get in touch with us directly so that we can solve your issue as soon as possible together.

What's New in Version 1.2.2

PRISE now also works as PGP decryption engine: pass PGP files through the "Open In..." function from other Apps, let PRISE perform the decryption and open it in yet another app for view.
Example: synchronize a GPG encrypted PDF file to your iDevice with the App Documents by Readdle for offline availability. When you want to access the encrypted content, tap on the file in Documents, tap on "Open In.." and select PRISE. There, you will be prompted for the password and after successful decryption, PRISE will offer the file to be opened in Adobe Reader or Apple iBooks, if installed.
Be cautious however, that App that display your unencrypted files may keep copies to themselves and forensic experts might still be able to retrieve those files even if you have deleted them.


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Customer Reviews

No good

No good.
It doesn't do what it claims, at least for me.
It crashes constantly and I am unable to download encrypted files uploaded through my laptop.

PRISE - File Encryption for secure Cloud Storage
View In iTunes
This app is designed for both iPhone and iPad
  • $0.99
  • Category: Productivity
  • Updated:
  • Version: 1.2.2
  • Size: 11.1 MB
  • Languages: English, German
  • Seller:

Compatibility: Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

0 0 0 We have not received enough ratings to display an average for the current version of this application.

Top In-App Purchases

  1. Pro Cloud Package$3.99