URSA Privacy
Item logo image for URSA Privacy

URSA Privacy

passlok.com/ursa
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Overview

High strength symmetric encryption for your favorite email, plus real-time secure chat

URSA sits near your tray bar to provide secure and easy symmetric encryption of text, images, and files. This is the process: 1. Click the bear icon to load URSA into a new tab. 2. Type the secret key into the top box. The recipient must know this key. 3. Type your message, possibly containing rich formatting, images, and even files into the large box, then click Encrypt. The recipient will decrypt the encrypted message, which can be sent by email or some other means without fear of its being decrypted, by typing the same key, pasting the encrypted message, and clicking Decrypt. If you feel really paranoid, URSA can encrypt into a cover image, so that it cannot be detected that anything is there. The image looks the same after the secret data have been injected. URSA can also disguise its output so it appears to be normal text. If you find yourself exchanging frequent messages with someone, you can switch into real-time chat, which can include text, files, audio, and even video! URSA's main encryption algorithm is XSalsa20, included within the NaCl encryption library. This algorithm has extensively been vetted by experts for over ten years without flaws being found. There are also two experimental algorithms: Pad, which uses a large piece of text (from a book, or a webpage) as key and is theoretically unbreakable, and Human, which can be performed by hand if necessary. URSA is fully compatible with PassLok Privacy, its larger sibling, also in this Web store. PassLok adds several asymmetric encryption modes, as well as secret splitting and digital signatures. There is also a web app at https://passlok.com/ursa You can check the integrity of the web version of URSA with this data: Current version of URSA is: 4.2.12

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Details

  • Version
    4.2.13
  • Updated
    March 26, 2023
  • Size
    152KiB
  • Languages
    English (United States)
  • Developer
    Francisco Ruiz
    1825 N. Wood St. Chicago, IL 60622 USA
    Website
    Email
    fruiz500@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

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