The VerFier

The VerFier is meant to provide users with a way to sign their shared files and allow peers to make sure that the file they are receiving matches the original and has not been tampered with. The purpose is to allow the secure sharing of certificates, video, audio or graphic evidence, all kinds of reports and important documents that require integrity checking.

Upon first launch, you are prompted to register an account and create your online identity, which can be either public or private. The only difference is that a public profile can be searched for online.

You get to choose a profile image and enter your name and your contact, as well as an address. This is the minimum amount of information that you have to submit to be able to use the VerFier service and application. The next step is creating a decryption password or importing a decryption key, which will be used to access your account.

Please keep in mind that, once created, the profile cannot be modified or deleted, as it is stored on immutable storage. Nevertheless, you can submit a request for your ID to be excluded from search.

The VerFier automatically created an ID for you and displays it within its main window when you are logged in, alongside your name and your address.

You can easily sign a file with The VerFier using the digital identity you previously created. The VerFier provides support for any file type. In other words, you can sign documents, multimedia files, reports, and so on. It is recommended to sign and share a copy of the file, rather than the original so as to prevent any accidental data loss due to file damage.

The integrity of a signed file you received can be easily checked with The VerFier. You simply have to drag and drop the file onto the main window or browse for it and enter the ID of the person that signed it. With the click of a button, the application starts the integrity check. If the file has not been tampered with, half of the main window will turn green.

The VerFier does not upload the files it signs or checks to its servers, as all the operations are carried out on the local machine. While the idea is good and the application is promising, the lack of instructions and a detailed documentation that can explain the purpose of creating an account and how exactly the application works makes it a bit untrustworthy and difficult to configure.