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What (who) is Public Key Infrastructure - definition
Public Key Infrastructure
<cryptography, communications> (PKI) A system of {public key
encryption} using digital certificates from {Certificate
Authorities} and other registration authorities that verify
and authenticate the validity of each party involved in an
electronic transaction.
PKIs are currently evolving and there is no single PKI nor
even a single agreed-upon standard for setting up a PKI.
However, nearly everyone agrees that reliable PKIs are
necessary before electronic commerce can become widespread.
US DOD PKI (http://www-pki.itsi.disa.mil/).
US NIST PKI (http://csrc.ncsl.nist.gov/pki/).
IETF PKIX Working Group (http://imc.org/ietf-pkix/).
(1999-11-30)
Public key infrastructure
A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. The purpose of a PKI is to facilitate the secure electronic transfer of information for a range of network activities such as e-commerce, internet banking and confidential email.
Simple public-key infrastructure
AN ATTEMPT TO OVERCOME THE COMPLEXITY OF X.509 PUBLIC KEY INFRASTRUCTURE, SPECIFIED IN EXPERIMENTAL RFC 2692 / RFC 2693
Simple Public Key Infrastructure; SPKI; Simple public key infrastructure
Simple public key infrastructure (SPKI, pronounced spoo-key) was an attempt to overcome the complexity of traditional X.509 public key infrastructure.
Wikipedia
Public key infrastructure
A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. The purpose of a PKI is to facilitate the secure electronic transfer of information for a range of network activities such as e-commerce, internet banking and confidential email.
Examples of use of Public Key Infrastructure
1. Among the costs the report said should have been avoided: '4;ż $1.' million to buy 350,000 public key infrastructure certificates in 2005.
2. The scheme is considered one of the most advanced identity programs in the Middle East using an array of modern technology including smart cards, fingerprint biometrics and Public Key Infrastructure (PKI). Sheikh Khalifa was registered using a mobile registration system designated for VVIPs.