Generate Brocade Mlx Rsa Key

While Encrypting a File with a Password from the Command Line using OpenSSLis very useful in its own right, the real power of the OpenSSL library is itsability to support the use of public key cryptograph for encrypting orvalidating data in an unattended manner (where the password is not required toencrypt) is done with public keys.

Generate Brocade Mlx Rsa Key Generator

The Commands to Run

How do I enable SSH between two NetIron devices? Rsa generate rsa key pair. Depending on the customer's desired level of security you can use a DSA.
In the “Key” section choose SSH-2 RSA and press Generate. Move your mouse randomly in the small screen in order to generate the key pairs. Enter a key comment, which will identify the key (useful when you use several SSH keys). Type in the passphrase and confirm it. The passphrase is used to protect your key.
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Sep 01, 2012 SSL Proxy - Allows for the Brocade ADX to decrypt and then re-encrypt the traffic prior to sending it onto the backend servers. In order to create a self signed certificate (on the Brocade ADX) the following syntax is used: ssl genrsa rsa.key 2048 ssl gencert certkey rsa.key signkey rsa.key x509.crt.
To use the RSA key pair generator to generate a 4096 bits RSA key and save that key in PEM format in private.key, use./genkey type=rsa rsakeysize=4096 filename=private.key format=pem The larger the requested keysize, the longer it will take to generate the key itself. You also need to take into account the performance of the system.

Generate a 2048 bit RSA Key

That generates a 2048-bit RSA key pair, encrypts them with a password you provide and writes them to a file. You need to next extract the public key file. You will use this, for instance, on your web server to encrypt content so that it can only be read with the private key. Export the RSA Public Key to a File. This is a command that is. So this is 'legal' but not really recommended if you want your key to be usable by other people who would like to send encrypted messages to you, and to verify messages you sign. (And if you do not want it, why bother having a public key at all?) GnuPG 1.4.11 appears to support RSA keys up to 4096 bits, and DSA keys up to 3072 bits.

You can generate a public and private RSA key pair like this:

openssl genrsa -des3 -out private.pem 2048

Export the RSA Public Key to a File

This is a command that is

openssl rsa -in private.pem -outform PEM -pubout -out public.pem

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The -pubout flag is really important. Be sure to include it.

Next open the public.pem and ensure that it starts with-----BEGIN PUBLIC KEY-----. This is how you know that this file is thepublic key of the pair and not a private key.

To check the file from the command line you can use the less command, like this:

less public.pem

Do Not Run This, it Exports the Private Key

A previous version of the post gave this example in error.

openssl rsa -in private.pem -out private_unencrypted.pem -outform PEM

The error is that the -pubout was dropped from the end of the command.That changes the meaning of the command from that of exporting the public keyto exporting the private key outside of its encrypted wrapper. Inspecting theoutput file, in this case private_unencrypted.pem clearly shows that the keyis a RSA private key as it starts with -----BEGIN RSA PRIVATE KEY-----.

Visually Inspect Your Key Files

It is important to visually inspect you private and public key files to makesure that they are what you expect. OpenSSL will clearly explain the nature ofthe key block with a -----BEGIN RSA PRIVATE KEY----- or -----BEGIN PUBLIC KEY-----.

You can use less to inspect each of your two files in turn:

less private.pem to verify that it starts with a -----BEGIN RSA PRIVATE KEY-----
less public.pem to verify that it starts with a -----BEGIN PUBLIC KEY-----

The next section shows a full example of what each key file should look like.

The Generated Key Files

The generated files are base64-encoded encryption keys in plain text format.If you select a password for your private key, its file will be encrypted withyour password. Be sure to remember this password or the key pair becomes useless.

The private.pem file looks something like this:

The public key, public.pem, file looks like:

Protecting Your Keys

Depending on the nature of the information you will protect, it’s important tokeep the private key backed up and secret. The public key can be distributedanywhere or embedded in your web application scripts, such as in your PHP,Ruby, or other scripts. Again, backup your keys!

Remember, if the key goes away the data encrypted to it is gone. Keeping aprinted copy of the key material in a sealed envelope in a bank safety depositbox is a good way to protect important keys against loss due to fire or harddrive failure.

Oh, and one last thing.

If you, dear reader, were planning any funny business with the private key that I have just published here. Know that they were made especially for this series of blog posts. I do not use them for anything else.

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