Using a Public/Private key to authenticate when logging into SSH can provide added convenience or added security. The Public/Private key can be used in place of a password so that no username/password is required to connect to the server via SSH. Instead the unique public and private key provide the secure authentication. The keys may also be generated with a different password from your cpanel password if desired.

1. In the Bluehost cPanel click on the SSH/Shell Access icon under the Security category.
2. Open the Manage SSH Keys tool.
3. Click Generate a New Key and complete the fields shown. We recommend the RSA key type and a 4096 bit key size for maximum security.
   Note: There is bug in cPanel at this time that does not allow you to create a 2048 or 4096 bit DSA key
4. The location of the newly generated public and private key will be shown as well as the key fingerprint.
5. Click Go Back.
6. Next to the Public Key you generated, click Manage Authorization then click Authorize to activate this public key.
7. Click Go Back.
8. To the right of the Private Key, click on View/Download. Then click the Download Key button. Save the file to your computer and click go back.

For these steps, you will need a command line shell with OpenSSL. Ideally, you should have a private key of your own and a public key from someone else. For demonstration, we will only use a single key pair. Generate Private Key. Run this command to generate a 4096-bit private key and output it to the private.pem file. If you like, you may. Mar 31, 2018  Generate public key and store into a file It is a simple one liner command to generate a public key from a private key, so lets say our private key is named ‘user@myserver.key’ and we want to generate the public key and name it ‘authorizedkeys’. Below is the command to do this.

You may now use the private key saved on your computer to SSH securely to our server. If you are using PuTTY, please see the configuration steps below.

1. Download and open PuTTYgen from the PuTTY Download Page
2. Click Load


3. Locate the private SSH key that you have downloaded.
Note: You will need choose to display All Files* from the menu to the right of the File Name field.
4. Enter the password for your SSH Key



5. Click the Save private key button to create the ppk file.

1. In PuTTY, under Session, enter your Host Name


2. Under Connection choose Data
3. Enter your cPanel username as the Auto-login username



4. Under SSH, choose 2 from Preferred SSH Protocol Version
5. Under SSH -> Auth, you will need to specify where your private key can be found. Remember this is where you saved the private key on your local computer. Click Browse to locate the file on your computer.


6. Under Sessions, type a name (such as 'my site') in the Saved Sessions box and click Save.

Recommended Help Content

Related Help Content

RSA(Rivest-Shamir-Adleman) is an Asymmetric encryption technique that uses two different keys as public and private keys to perform the encryption and decryption. With RSA, you can encrypt sensitive information with a public key and a matching private key is used to decrypt the encrypted message. Asymmetric encryption is mostly used when there are 2 different endpoints are involved such as VPN client and server, SSH, etc.

Below is an online tool to perform RSA encryption and decryption as a RSA calculator.

For Java implementation of RSA, you can follow this article.

First, we require public and private keys for RSA encryption and decryption. Hence, below is the tool to generate RSA key online. It generates RSA public key as well as the private key of size 512 bit, 1024 bit, 2048 bit, 3072 bit and 4096 bit with Base64 encoded.

By default, the private key is generated in PKCS#8 format and the public key is generated in X.509 format.

Generate RSA Key Online

RSA Encryption and Decryption Online

Below is the tool for encryption and decryption. Either you can use the public/private keys generated above or supply your own public/private keys.

Any private or public key value that you enter or we generate is not stored on this site, this tool is provided via an HTTPS URL to ensure that private keys cannot be stolen.

This tool provides flexibility for RSA encrypt with public key as well as private key along with RSA decrypt with public or private key.

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Usage Guide - RSA Encryption and Decryption Online

In the first section of this tool, you can generate public or private keys. To do so, select the RSA key size among 515, 1024, 2048 and 4096 bit click on the button. This will generate the keys for you.

For encryption and decryption, enter the plain text and supply the key. As the encryption can be done using both the keys, you need to tell the tool about the key type that you have supplied with the help of radio button. By default, public key is selected. Then, you can use the cipher type to be used for the encryption. The different cipger options are RSA, RSA/ECB/PKCS1Padding and RSA/ECB/OAEPWithSHA-1AndMGF1Padding. Now, once you click the encrypt button the encrypted result will be shown in the textarea just below the button.

Remember, the encrypted result is by default base64 encoded.

Similarly, for decryption the process is same. /destiny-the-collection-serial-key-generator.html. Here, you need to enter the RSA encrypted text and the result will be a plain-text. You have both options to decrypt the encryption with public and private keys.

Generate A Public Private Key Pair Calculator 2017

• References

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Generate A Public Private Key Pair Calculator Online