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S/MIME Email and PKI Dartmouth College PKI Lab. What Is S/MIME? RFC 2633 (S/MIME Version 3)RFC 2633 Extensions to MIME Uses PKI certificates, keys, and.

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Presentation on theme: "S/MIME Email and PKI Dartmouth College PKI Lab. What Is S/MIME? RFC 2633 (S/MIME Version 3)RFC 2633 Extensions to MIME Uses PKI certificates, keys, and."— Presentation transcript:

1 S/MIME Email and PKI Dartmouth College PKI Lab

2 What Is S/MIME? RFC 2633 (S/MIME Version 3)RFC 2633 Extensions to MIME Uses PKI certificates, keys, and cryptography to give standard email: –Digital signatures –Encryption (for recipient’s eyes only) Mature standard Supported by most popular email clients No server support required

3 S/MIME and Certificates Standard X.509 certificates with proper usage bits and correct email address Need certificates for signing and for encryption Can be same certificate with both signing and encryption capabilities Challenge: how to get encryption certificates for other users –Email from other users –Directories –Address books –Automatic retention

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