By: Henry Emailed: 1769 times Printed: 2515 times
The first thing you need to do is create a keystore and generate the key pair. You could use a command such as the following:
keytool -genkeypair -dname "cn=Mark Jones, ou=JavaSoft, o=Sun, c=US" -alias business -keypass kpi135 -keystore C:\working\mykeystore -storepass ab987c -validity 180
(Please note: This must be typed as a single line. Multiple lines are used in the examples just for legibility purposes.)
This command creates the keystore named "mykeystore" in the "C:\working" directory (assuming it doesn't already exist), and assigns it the password "ab987c". It generates a public/private key pair for the entity whose "distinguished name" has a common name of "Mark Jones", organizational unit of "JavaSoft", organization of "Sun" and two-letter country b of "US". It uses the default "DSA" key generation algorithm to create the keys, both 1024 bits long.
It creates a self-signed certificate (using the default "SHA1withDSA" signature algorithm) that includes the public key and the distinguished name information. This certificate will be valid for 180 days, and is associated with the private key in a keystore entry referred to by the alias "business". The private key is assigned the password "kpi135".
The command could be significantly shorter if option defaults were accepted. As a matter of fact, no options are required; defaults are used for unspecified options that have default values, and you are prompted for any required values. Thus, you could simply have the following:
In this case, a keystore entry with alias "mykey" is created, with a newly-generated key pair and a certificate that is valid for 90 days. This entry is placed in the keystore named ".keystore" in your home directory. (The keystore is created if it doesn't already exist.) You will be prompted for the distinguished name information, the keystore password, and the private key password.
The rest of the examples assume you executed the -genkeypair command without options specified, and that you responded to the prompts with values equal to those given in the first -genkeypair command, above (a private key password of "kpi135", etc.)
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