Creating SSH Key.pptx
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The document discusses SSH keys, which provide secure authentication for logging into remote servers. An SSH key consists of a public and private key pair, with the private key stored on the local device and public key distributed to servers. To authenticate, the server sends a challenge that the local device responds to using the private key, which the server verifies with the public key. The document provides instructions for generating an SSH key through the terminal by running ssh-keygen and optionally adding a passphrase for extra security. It concludes by recommending SSH keys to increase security of remote logins through passwordless authentication and automation.
Creating SSH Key.pptx
- 2. What is SSH Key? • A technique called Secure Shell (SSH) is used to provide secure communication between two devices across an unprotected network. An SSH key is a digital identity that the SSH protocol uses for authentication. It consists of two cryptographic keys—a public key and a private key. Although the private key is maintained secretly on your computer, the public key is distributed to the servers you wish to access. • A challenge is sent to your computer by a server that employs SSH key authentication when you attempt to access it. With your private key, your computer creates a response to the challenge and transmits it back to the server. The server then uses the public key it has stored to verify the answer. The server allows access to your PC if the answer is legitimate.
- 3. Creating an SSH Key • Launch a terminal window. • Hit enter after typing "ssh-keygen." • A filename for the key must be entered when requested. To accept the default name or to input a different name, press enter. • A passphrase entry prompt will appear. While it's optional, this step gives your key an added measure of protection. Make sure your passphrase is strong if you decide to use one. • Your computer will produce and store both your public and private keys.
- 4. Conclusion In conclusion, the SSH key is a crucial technology that offers a safe method of logging onto distant servers. It is significantly safer than having a password and makes it simple to log in since you don't need to remember one. It is particularly helpful for automation since you can use programs to automatically log into distant servers. I urge you, if you haven't already, to create an SSH key for your devices and begin using this technology to increase the security of your remote logins. Understanding the fundamentals of public key cryptography and how the key pair works is crucial for using SSH keys. The security of your remote logins may be substantially enhanced, and you can take charge of your online security by creating an SSH key and utilizing it to enter distant servers.
- 5. Thank you