Principles of Public Key Cryptosystems

The important principle of public key cryptosystems is : It should be computationally infeasible to determine the decryption key given only knowledge of the cryptographic algorithm and the encryption key. In addition to above principle, there are other key points as follows: Either of the two related keys can be used for encryption, with the other … Continue reading Principles of Public Key Cryptosystems


http-server in Ubuntu

For ubuntu users, just install node.js and npm ( node.js package manager). Node.js is available in universe so no need to add any repo. sudo apt-get install nodejs npm After that install http-server globally sudo npm install http-server -g To start http-server of yours, just type http-server in your terminal.

Android Studio : Upgrading Gradle and Its Plugin


Hey there, you might have caught in error message in Android Studio. Here, it says Plugin is too old, please update to a more recent version, or set ANDROID_DAILY_OVERRIDE environment variable to “XXXX” Here, it also stops working. This starts giving pain and delays your work. Tackling this is simple if you know how to … Continue reading Android Studio : Upgrading Gradle and Its Plugin