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Cryptnos

Cryptnos

5,000 - 10,000 downloads

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View bigger - Cryptnos for Android screenshot
View bigger - Cryptnos for Android screenshot
View bigger - Cryptnos for Android screenshot
Cryptnos is a multi-platform, Open Source application for generating strong, pseudo-random passwords using cryptographic hashes. It combines a unique "site token" such as a website domain name with a master password and runs this data through a cryptographic hash algorithm to produce a password that is unique, lengthy, seemingly random yet completely repeatable. Unlike similar products, however, it is exceedingly flexible. It is not a browser plugin, so it can be used with other applications outside the Web. It provides unparalleled versatility by letting you specify the cryptographic hash to use, how many iterations of the hash to perform, what characters to include, and how long the final password should be. Best of all, it is exceedingly secure. Your master and generated passwords are *NEVER* stored, and the parameters to recreate your passwords are stored using strong AES-256 encryption.

Cryptnos is currently available for Microsoft Windows via the .NET Framework 2.0, as well as for Google Android powered devices. A version for pure Java is under development, as well as an HTML/JavaScript online version that should work with any browser.

Selected Features:

* Supported hashing algorithms: MD5, SHA-1, SHA-256, SHA-384, SHA-512, RIPEMD-160, Whirlpool (2003 revision), and Tiger (1995 original, not "Tiger2")
* Further modify the generated password for character class or length constraints (e.g. limit to only alphanumerics and a maximum of 12 characters)
* Cross-platform import/export mechanism allows parameters to be copied from one instance of Cryptnos on one machine to another instance on another machine, strongly encrypting the export file using AES-256
* Integrated help

See our website for more detailed information (and replies to your comments!).

The functionality of Cryptnos may be enhanced if any of the following file manager and bar code scanning applications are installed. These apps are not required for Cryptnos to operate, but their presence will enable additional functionality.
* OI File Manager
* AndExplorer
* ES File Explorer
* ZXing Barcode Scanner
* QR Droid / QR Droid Private

Tags: cryptnos, cryptnos online, cryptographic hash.

Recently changed in this version

* Version 1.3.2: Minor tweak to fix main menu icons on very high resolution smartphones.
* Version 1.3.1: Added option to clear master and generated password boxes when Cryptnos goes into the background. Changed behavior of master password boxes so that when the user taps the Enter key, the Generate button event is triggered. Minor code clean-up and performance tweaks.
* Version 1.3.0: New icon-based main menu; export and import individual site parameters via QR code; bug fixes and enhancements.


Comments and ratings for Cryptnos
  • (74 stars)

    by Vincent Mortellaro on 21/05/2014

    This application creates strong site specific random passwords from a combination of user defined variables and a common known secret. By storing only the defined variables for each site this program allows you to have strong per site password where you only have to remember a single secret to generate each password. The app is easy to use; allowing copy/pasting of long passwords into apps/website

  • (74 stars)

    by Job Digi on 18/03/2014

    Just what i was looking for!

  • (74 stars)

    by Denis Dimick on 15/06/2013

    Works nice on my rooted Nexus 7, running 4.2.2 FINALLY a smarter way to generate passwords

  • (74 stars)

    by Phil Waecker on 11/05/2013

    Super

  • (74 stars)

    by Raja Hussain on 29/04/2013

    Jad

  • (74 stars)

    by Antero Jesus on 13/03/2013

    Very good app protect yourself from the hackers