Understanding SSH is easier once you understand how cryptography works from the above intro. Public key authentication using SSH is a more secure approach for logging into services than passwords. Basic knowledge of navigating around the command-line.īrief Introduction to SSH ( Secure Shell Protocol).A working computer running on any operating system.In this tutorial, you will learn how it all works, what SSH means, and how to generate SSH keys with an RSA algorithm using SSH keygen. This is the asymmetric key cryptography technique flow we discussed earlier and it is a more secure authentication process. Then they can configure the server running on another computer to recognize and accept those keys. Software engineers generally have to authenticate with servers or other services like GitHub for version control.Īs opposed to using password authentication, they can use public key authentication to generate and store a pair of cryptographic keys on their computer. The Encryption Model for Secured Data Transmission Some examples of algorithms that use this technique include the Rivest–Shamir–Adleman algorithm (RSA), Diffie - Hellman Key Exchange (DHE), and the Digital Signature Algorithm (DSA). The sender and receiver use different keys for encryption and decryption.
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