Mastering Active Directory - Second Edition

SSL certificates

So far, we have talked about how asymmetric key pairs and symmetric keys work in PKI. But when we talk about PKI, we talk about SSL certificates. So, what is the role of the certificates?

I travel regularly between London and Seattle. When I reach Seattle-Tacoma International Airport, border security officers ask for my passport to verify my identity. They do not know me personally, but the passport I hold is issued by an authority that operates under international migration laws, and they certify that the person who owns the passport is Dishan Francis. If they want to check the authenticity of it, they can confirm with the authority that issued it. So, they have proof of identity, and they can further check the visa status ...