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Earlier in this chapter, we looked at how to store contact info, passwords, and credit card information on your device, so you can take advantage of Safari's AutoFill feature. Having all these items stored on your device is convenient, but if you're like most people these days, you probably have more than one device on which you browse the web. So, being able to sync your info among multiple devices would be even more convenient. That's why a new feature called iCloud Keychain comes in. iCloud Keychain syncs your passwords and other information between all your iOS devices and all your Macs. It's a completely optional service of iCloud, so you're in no way required to use it. But if you do want to take advantage of this capability, here's how to set it up. Go to Settings>iCloud, and here make sure the switch for Keychain is turned on. You'll be prompted to enter your Apple ID password to sign in to iCloud. Next, you'll be prompted to create a security code, now this is different than the passcode you may have set up to lock and unlock your device. The Keychain code you come up here, will be used on other devices with which you want to sync your Keychain data. And you'll need this code for each device or Mac you want to set up. If you tap Advanced Options, you have the choice to Use a Complex Security Code. So, if the four digit code isn't secure enough for your tastes, tap the Complex option and then Next. And you'll be able to come up with an alphanumeric code. Tap Back there. Alternately you can generate a random code here. Now regardless of the code you're using, make sure to write it down and keep the code in a secure location. There's no way to retrieve a lost code. The third option here is don't create a code. If you choose not to create a code, when you go to set up iCloud Keychain on another device or computer, you'll have to approve the set up through a different device. So for example, if I don't create a code now, when I go to set up Keychain on my iPad, I'll have to approve the set up on my iPhone. But for this example, I'm just going to go back to the four digit code. Now, I put in a pretty simple code here and notice that I'm getting this message, telling me this is a commonly used code and can be easily guessed. Now, I don't really have any secure data stored on this device for this example, so I'm just going to choose, Use Code. But, this is a good warning to make sure you use a code that can't be guessed very easily. Next you prompt is to enter a phone number that is able to receive text messages. Notice, it says here, this can be your own number or someone you trust. The number you enter here is used to confirm your identity when you use your code. I'll tap Next, and that's it, iCloud Keychain is now set up on this device. And any stored passwords and credit card information that I have saved under Settings>Safari and Passwords and Autofill, will automatically be synced with other devices I set up. So for example, I'll go to my iPad now, and once again I'll go into Settings>iCloud. In here I'll go to Keychain, and I'll turn that on. And again I'm prompted to sign in with my Apple ID. Now because I'm using the same Apple ID as on my iPhone, I see an Approve with Security Code button.
Not only that, but as you can see on my iPhone, I now have a message asking me if I want to allow my iPad to use this Keychain. If I do want to approve it, I'll enter the password for my Apple ID on my iPhone and tap Allow. Now alternately, if I didn't have access to my iPhone at the time, I could have tapped, Approved with Security Code, and entered that security code that I created. And now, iCloud Keychain is synced between my iPhone and my iPad, and I would repeat this step on any other iOS device I have as well. So as you can see, this is a pretty secure system that involves multiple steps to set it up, in order to ensure that your saved passwords and credit card data is safe. And the data itself is also encrypted with AES 256 bit encryption. So your information also remains safe on the iCloud servers, and it cannot be accessed by Apple. Now, if you're running a Mac with OS X Mavericks, you can also enable iCloud Keychain through your iCloud settings under System Settings. For more information on setting up your Mac, see our course on OS X Mavericks at lynda.com. So, that's the new iCloud Keychain feature, available for iOS 7, and OS X Mavericks on your Mac.
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