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OS X - Operating System General OS operation information and support

keychain questions

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MotorcycleBetty's Avatar
Member Since: May 07, 2008
Posts: 24
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I've been looking through my Keychain Access for the first time in quite a while, and have some questions I hope somebody can answer for me.

My questions are in two areas: the System keychain, and the System Roots keychain.

1) In the System keychain, I've got two "self-signed root certificates" that don't expire until March of 2028 and are flagged (marked with a red X) as "not trusted". They are: and

Note that there are also corresponding public and private keys for these two certificates that are not flagged.

There is also a Dashboard Advisory certificate that isn't flagged, but when highlighted says "This certificate was signed by an unknown authority.

Why are certificates from Apple not trusted? Can the certificates be replaced with trustworthy ones? If so, how?

2) The System Roots keychain is filled with certificates most of which I don't know where they came from. Some of them aren't even in English. Some of them I recognize as being related to websites I've been, or my domain hosting service, etc., but for the most part, I've got no idea why all these certificates are in this keychain.

My questions on these certificates are: can I delete the whole kit & caboodle of them? If not, how do I know which ones I *can* delete?
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Member Since: Oct 14, 2009
Posts: 162
andr3wkim will become famous soon enough
Mac Specs: 13" Macbook Pro 2.53GHz; 4GB RAM; GeForce 9400M

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What you describe are default within almost every Mac. Don't worry about these and I wouldn't delete them since I have no idea what will happen. What I do know is delete any wifi keys that you know you won't use anymore. This will under System and login keychains. Under the login keychain, just go ahead and delete keys you know you won't be using like applications that you deleted.

Otherwise, you shouldn't worry too much about the things listed under the keychain utility.

13" Macbook Pro 2.53GHz w/ 4GB RAM
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