A public-key infrastructure based on a hierarchical transfer of trust from higher certification authorities to lower certification authorities in a series of 1:N relationships. Contrast with mesh PKI and web of trust.
"hierarchical PKI." YourDictionary, n.d. Web. 09 June 2018. <http://www.yourdictionary.com/hierarchical-pki>.
hierarchical PKI. (n.d.). Retrieved June 09th, 2018, from http://www.yourdictionary.com/hierarchical-pki