![]() Enter a meaningful name, such as “ADSL ISP Account” in my example, in the Keychain Item Name field.Next, click the “Create a new Keychain item” button (the +) button near the lower left-hand corner of the window.First, launch the Keychain Access application located in the /Applications/Utilities folder of your startup drive.Of course, they send this password to you on paper—how insecure! Instead, after changing the password to something else first (something other than mypassword, which is the example password I’ll use here), we can use Mac OS X Keychain to securely store the password and retrieve it later. They send you a username and a password to log on to their ADSL network with. ![]() Say you’ve just signed up with a new ISP. What good does this do us? Plenty! Observe. What’s even more awesome than all of this automagic password storing action, though, is the fact that Apple has also provided an easy-to-use application to manipulate the keychain yourself. Of course, all of this happens automatically, so except for that single checkbox most users probably don’t know that the keychain even exists. Then, the next time the application needs to access a restricted resource, it just asks Mac OS X to get the password for it. Whenever you tell an application to “Remember this password in my keychain,” what you’re doing is writing a new encrypted entry into your user account’s ~/Library/Keychains/login.keychain file. The Mac OS X Keychain basically a secure database of all your passwords, sorted into files called (unsurprisingly enough) “keychains.” Each user account on a Mac OS X system has a login.keychain, and the system itself also has a system.keychain. Since Mac OS X 10.2 Jaguar, Mac users have been accustomed to the ease of use of Apple’s very cool Keychain Services technology.
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