- How To Generate Private Key
- Generate Public Key
- Generate Private Public Key Pair Ubuntu
- Generate Public Private Key
I am trying to generate RSA 1024 key pair (public/private) using the following command openssl genrsa -des3 -out server.key 1024 In the server.key file, only RSA private block is there, so where. Mar 03, 2020 openssl ecparam -genkey -name prime256v1 -noout -out ecprivate.pem openssl ec -in ecprivate.pem -pubout -out ecpublic.pem These commands create the following public/private key pair: ecprivate.pem: The private key that must be securely stored on the device and used to sign the authentication JWT.
-->To sign an assembly with a strong name, you must have a public/private key pair. This public and private cryptographic key pair is used during compilation to create a strong-named assembly. You can create a key pair using the Strong Name tool (Sn.exe). Key pair files usually have an .snk extension.
Note
In Visual Studio, the C# and Visual Basic project property pages include a Signing tab that enables you to select existing key files or to generate new key files without using Sn.exe. In Visual C++, you can specify the location of an existing key file in the Advanced property page in the Linker section of the Configuration Properties section of the Property Pages window. The use of the AssemblyKeyFileAttribute attribute to identify key file pairs was made obsolete beginning with Visual Studio 2005.
Create a key pair
To create a key pair, at a command prompt, type the following command:
How To Generate Private Key
sn –k <file name>
In this command, file name is the name of the output file containing the key pair.
The following example creates a key pair called sgKey.snk.
If you intend to delay sign an assembly and you control the whole key pair (which is unlikely outside test scenarios), you can use the following commands to generate a key pair and then extract the public key from it into a separate file. First, create the key pair:
Next, extract the public key from the key pair and copy it to a separate file:
Once you create the key pair, you must put the file where the strong name signing tools can find it.
When signing an assembly with a strong name, the Assembly Linker (Al.exe) looks for the key file relative to the current directory and to the output directory. When using command-line compilers, you can simply copy the key to the current directory containing your code modules.
If you are using an earlier version of Visual Studio that does not have a Signing tab in the project properties, the recommended key file location is the project directory with the file attribute specified as follows:
See also
RightScale Docs / RightScale General FAQs
Background Information
Servers that support Server Login Control populate their SSH authorized-keys file with multiple trusted keys based on policy received from the RightScale Dashboard, typically inserting one public key per user with server_login permission. When compared to the traditional technique of binding a single, shared SSH key to the server at launch time, Server Login Control has the following advantages:
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- The server grants and revokes trust in real time as a user's
server_login
privileges are granted and revoked. - Public-key authorization can be used even in clouds that do not natively support SSH public-key authentication.
- Private keys are never shared between users.
- Rather than creating a cloud-specific or RightScale-specific key pair, users can continue to use their preexisting, personal key pair.
- If using a personal key pair, users can easily SSH to cloud instances without going through the RightScale Dashboard.
This document will show you how to generate a personal SSH key pair and upload the public key to RightScale for use with Server Login Control.
Generate Public Key
Important Note: When using Server Login Control (a.k.a Managed SSH) to manage your user's keys, the user's public key may not disappear from the ~/.ssh/authorized_keys file immediately after revoking the 'server_login' permission from that user. This is normal - the key should eventually be removed from the authorized_keys file by a daemon that runs - but it only runs periodically at specific intervals so it may not be removed immediately.
If you find that your user's keys are still in the authorized_keys file after some time has passed and they should not be because they have no server_login permission, please contact our support team for assistance.
Answer
The procedure for creating a key pair varies depending on your operating system and preferred SSH client. In all cases, however, the procedure has three steps: create a key pair, change your RightScale SSH preferences, and test to ensure everything works as expected.
1. Create a Key Pair on Your Computer
Linux and MacOS X
- Open a terminal window. At the shell prompt, type the following command:
- The ssh-keygen program will prompt you for the location of the key file. Press Return to accept the defaults. You can optionally specify a passphrase to protect your key material. Press Return to omit the passphrase. The output of the program will look similar to this:
- Note the location to which your public and private key were saved; they will be required in a subsequent step.
Windows (PuTTY SSH Client)
![Generate Private Key Public Key Pair Generate Private Key Public Key Pair](/uploads/1/2/5/7/125705702/566481546.png)
Generate Private Public Key Pair Ubuntu
- On your Windows workstation, go to Start > All Programs > PuTTY > PuTTYgen. The PuTTY Key Generator displays.
- Click the Generate button and follow the instructions. Once key generation has finished, you will be presented with the results:
- Click Save Private Key to save the private key to a file. Take note of the full path of the private key file, which is especially important if you save it under your
Documents
directory. Repeat the process for the public key, or simply copy the public key from PuTTY's text area into your clipboard and save it as a text file. - Close the PuTTY Key Generator.
2. Change RightScale SSH Preferences
Generate Public Private Key
- Log into the RightScale Dashboard and navigate to Settings > User Settings > SSH.
- Click Edit. Under the Authentication section, choose the radio button labeled, Use the credentials stored on my computer.
- Open your public key file in a text editor and copy its contents to your clipboard. Paste them into the text area labeled Public Key.
- If you are using the Java Web Start application or the Java applet as your session launcher, type the location of your private key file into the text field labeled Private Key. Make sure to use an absolute filesystem path without any special characters such as
~
or$HOME
or%HOMEPATH%
. If you are using ssh:// protocol links as your session launch preference, configure your SSH client to automatically use your private key for authentication. When you are done, the page will look similar to this: - Click Save to store your SSH preferences.
3. Test Server Login Control
Launch a server that uses RightImage 5.1.1 or greater. Once the server becomes operational, navigate to the server's page and press the SSH Console button.
If you connect successfully, then everything is working fine. Congratulations!