To maintain the non-repudiation property of signing while still having escrow for the encryption key, it's recommended to have a separate certificates (and pub-priv keys) for signing (say CertSign) ...
This is probably a stupid question/vaguely defined, but I need to ask it anyway. I want to put a public key for mail exchange on my website, such that even very powerful adversary with power to ...
Every Windows 7 host has a Trusted Root certificate from Entrust that has the "Netscape Cert Type" extension (see image) I'm comparing inter-operable S/MIME extensions and see a pretty diverse set ...
Is S/MIME an abstracted system for general MIME type encryption, whereas PGP is more for email? Why would I want to choose one over the other, or can I use both at the same time?
I use a good MUA: Thunderbird [to read/reply to my emails on Gmail]. So: what happens, if i go to a place, where is public wifi, and someone tryes to sniff my password/username/emails? Questions: ...