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2. Public key infrastructure - Wikipedia

   en.wikipedia.org/wiki/Public_key_infrastructure

   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 ...

3. Public key certificate - Wikipedia

   en.wikipedia.org/wiki/Public_key_certificate

   Public key certificate. In cryptography, a public key certificate, also known as a digital certificate or identity certificate, is an electronic document used to prove the validity of a public key. [ 1 ][ 2 ] The certificate includes the public key and information about it, information about the identity of its owner (called the subject), and ...

4. Certificate authority - Wikipedia

   en.wikipedia.org/wiki/Certificate_authority

   Certificate authority. In cryptography, a certificate authority or certification authority (CA) is an entity that stores, signs, and issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate. This allows others (relying parties) to rely upon signatures or on assertions ...

5. Certificate signing request - Wikipedia

   en.wikipedia.org/wiki/Certificate_signing_request

   Certificate signing request. In public key infrastructure (PKI) systems, a certificate signing request (CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the ...

6. Professional certification - Wikipedia

   en.wikipedia.org/wiki/Professional_certification

   A certification is a third-party attestation of an individual's level of knowledge or proficiency in a certain industry or profession. They are granted by authorities in the field, such as professional societies and universities, or by private certificate-granting agencies. Most certifications are time-limited; some expire after a period of ...

7. Automatic Certificate Management Environment - Wikipedia

   en.wikipedia.org/wiki/Automatic_Certificate...

   The Automatic Certificate Management Environment (ACME) protocol is a communications protocol for automating interactions between certificate authorities and their users' servers, allowing the automated deployment of public key infrastructure at very low cost. [1][2] It was designed by the Internet Security Research Group (ISRG) for their Let's ...

8. Root certificate - Wikipedia

   en.wikipedia.org/wiki/Root_certificate

   The role of root certificate as in the chain of trust. In cryptography and computer security, a root certificate is a public key certificate that identifies a root certificate authority (CA). [1] Root certificates are self-signed (and it is possible for a certificate to have multiple trust paths, say if the certificate was issued by a root that ...

9. Certificate policy - Wikipedia

   en.wikipedia.org/wiki/Certificate_policy

   Certificate policy. A certificate policy (CP) is a document which aims to state what are the different entities of a public key infrastructure (PKI), their roles and their duties. This document is published in the PKI perimeter. When in use with X.509 certificates, a specific field can be set to include a link to the associated certificate policy.