- #Mac keychain access certificate assistant how to
- #Mac keychain access certificate assistant mac os x
- #Mac keychain access certificate assistant full
You will then see a dialog in which you will save a. Fill in the desired e-mail address and certificate name, and select the option to save the request to disk. Select the menu command Keychain Access > Certificate Assistant > Request a Certificate from a Certificate Authority.
Open the Keychain Access program in your Utilities folder. A sheet of options should appear, in which you should check the option "Trust this CA to identify email users". Click the Authorities tab, and then the Import button. Click the Advanced tool bar icon, click the Certificates tab, and then click the View Certificates button.
Next, go to Thunderbird and open the Preferences dialog. In the save file dialog, save the certificate as a. Select the menu command File > Export Items. Find and select your certificate authority. Importing Your Certificate Authority into Thunderbird Įnter a name and e-mail address, and check "Let me override defaults". In most cases, one can keep the default values, but see the captions below the screen shots for additional hints. This will open another program called Certificate Assistant, and present the sequence of forms shown below. Select the menu command Keychain Access > Certificate Assistant > Create a Certificate Authority.
I don't think it's possible to get Thunderbird to accept a self-signed root certificate, so we'll create our own certificate authority and have that issue a certificate. Instead you could exchange public keys on thumb drives sent by physical mail or courier.Ī certificate can either be created as a self-signed root, or can be issued by a certificate authority. The easiest way to exchange public keys is by e-mail, but one might worry about someone intercepting a message and substituting a different key.
#Mac keychain access certificate assistant full
Thus, to establish two-way secure communication, each person must have a full certificate including a private key, and must have the other person's public key. In order for Alice to send an encrypted message to Bob, she must have Bob's public key to encrypt it, and then Bob will use his private key to decrypt it. In order for a user Alice to send a digitally signed e-mail to another user Bob, Alice's e-mail program will use the private key from her certificate, but in order for Bob to verify the signature, he must have the public key part of Alice's certificate.
Basics of Certificates for E-mailĪ certificate contains a public/private key pair plus various information about the identity of the user, intended uses of the certificate, an expiration date, and so on.
#Mac keychain access certificate assistant how to
I have been unable to get self-signed certificates to work with Apple's Mail program, so in this article I will describe how to set up secure e-mail using Thunderbird. You can obtain certificates from a trusted certificate authority, but you can also create your own "self-signed" certificates using the Mac's Certificate Assistant program.
#Mac keychain access certificate assistant mac os x
Secure Email Secure E-mail on Mac OS X Using Self-signed CertificatesĮ-mail encryption and digital signatures can be accompished using a standard called S/MIME, which uses public key cryptography and X.509 certificates.
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