Generate different passwords from single master password using cryptographically strong method (PBKDF2 with SHA-256).
CryptoPass Extension
Create strong passwords for different websites (or anything else) using a single secret key. If you lose your password for a website, you can regenerate it if you remember your secret key, username, and address of the web site. There's no need to remember or store multiple passwords if you can derive them from your master key.
How to use
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1. Make up a secret master key (at least 16 characters for better security) and remember it. Keep it secret! You will use it every time you need to generate a password.
2. Click on the extension icon.
3. Enter your username for the website. It can be anything, you just need to remember it.
4. Enter URL of the website (it is prefilled).
5. Click a button: \"Show\" to generate and show password, or \"Fill\" to generate password and try to fill form on the current webpage with username and password (pressing Enter does \"Fill\").
Examples
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For example, your secret key is: \"my super secret\" (do not actually use this, think of something better and longer)
Username: tester
URL: google.com
Your generated password will be: Juq5MzGrXU7zivT13MHdpXGzq
Use it for your account.
Username: somebody_else
URL: twitter.com
Generated password: ydPFMc7isTa1mBlFOFiYSmjXV
Every time you enter \"my super secret\" plus \"somebody_else\" as username and \"twitter.com\" as URL, you will get exactly the same generated password as above.
Algorithm
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password = base64(pbkdf2(secret, username@url))
PBKDF2 uses SHA-256 and 5000 iterations. Cuts password to specified length (25 by default).
Source code: https://github.com/dchest/cryptopass/
This extension doesn't use any web services, everything is done on your computer.
Warning for reasonably paranoid: there is a security risk in how Chrome handles autoupdates of extensions: if somebody gains access to Google servers or my developer account, they could put backdoor in this extension and re-upload it. You would get this modified version, and Chrome would not notify you. If you want to avoid this risk, use the source code linked above to install the extension on your own.
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Unofficial Android versions (the author of this extension is not responsible for these apps):
CryptoPass: https://play.google.com/store/apps/details?id=krasilnikov.alexey.cryptopass
Simple CryptoPass: https://play.google.com/store/apps/details?id=no.haitech.simplecryptopass
Source Manifest.json
How to download and manually install CryptoPass extension for Chrome
Looking for a way to install CryptoPass extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install CryptoPass extensions manually, this article outlines two simple methods to effortlessly install CryptoPass extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download CryptoPass extension and manually install through Drag &Drop
If you ever need to manually install a CryptoPass extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the CryptoPass Extension by clicking the "Download CRX" button on the website.
Look for the CryptoPass extension you wish to install. Go to the website and download the CryptoPass extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for CryptoPass extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the CryptoPass extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download CryptoPass extension for Chrome and install in Developer Mode
This is another method to install CryptoPass extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the CryptoPass extension file
Select and download the CryptoPass extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the CryptoPass extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your CryptoPass extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the CryptoPass extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install CryptoPass extension in 2 ways. We hope this guide proves helpful.
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