Notice: Cryptnos for Android has officially reached end-of-life. For full details, please see the following URL:

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
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82 total

What's New

* Version 1.3.4: Recognize ES File Explorer Pro and Total Commander file managers
* Version 1.3.3: Fix for Issue #19 ("QR code colon encoding/decoding broken")
* Version 1.3.2: Minor tweak to fix main menu icons on very high resolution smartphones.
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Additional Information

November 12, 2017
Current Version
Requires Android
1.1 and up
Content Rating
Offered By
GPF Comics
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