In Java how to make file Read only or Writable? Also, how to check if file is Writable or not? In this tutorial we will go over below different File
realme UI 1.0 & above versions: Click the picture or other file in the album or file management > more in the lower right corner > Set as private How to recover hidden information? You can select the photos you want to restore by long-pressing in the private safe, and click Set as pu...
In this article, we'll show you how to use the macOS Automator app to create a very simple Folder Action that will automatically convert images dropped into a specific folder, without you having to manually apply a Quick Action or open an image editing app. Keep reading to learn how it's...
You’ll need a .p12 file to publish your app on the Apple App Store, but the process can be a little confusing. So, here’s Calvium’s step-by-step guide on how to make a p12 file. The .p12 file contains a certificate that is used to prove that the app comes from you. Requir...
Encrypt Backups: If you back up your files to an external drive or cloud storage, make sure the backups are also encrypted. Use Encryption for Cloud Storage: When storing files in the cloud, use services that offer end-to-end encryption or encrypt files before uploading. ...
You can complete the task in many ways. Read on to learn how to make a PDF read-only using three different methods. What is a read-only PDF file, and how safe is it? A read-only PDF has its settings adjusted to where it cannot be edited. Users can open and view the PDF but ca...
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the main difference between encryption and hashing lies in the purpose of their usage; while encryption is used to make data unreadable by unauthorized users while allowing authorized parties to decode it, hashing is mainly used for verifying its integrity. with encryption, a key need to be kept...
I would like to load PrivateKey from a .key file and use it to generate jwt token. I have following method to generate token public String gen(String privateFile, String crtFile) { long nowMillis = System.currentTimeMillis(); Date now = new Date(nowMillis); long expMillis = nowMillis...
How can we sign a file using desired private key without encryption? Should we use a "--sign" or "--clearsign"? Every time we usegpg --signit seems to make encrypted binary files. How to prevent encryption and do only signing?