Search results
Results from the Health.Zone Content Network
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 ...
CAcert Inc. Association. On 24 July 2003, Duane Groth incorporated CAcert Inc. as a non-profit association registered [2] in New South Wales, Australia. CAcert Inc runs CAcert.org —a community-driven certificate authority. In 2004, the Dutch Internet pioneer Teus Hagen became involved. He served as board member and, in 2008, as a president.
The role of root certificate as in the . 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 was cross ...
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 ...
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 the ...
Certification path validation algorithm. The certification path validation algorithm is the algorithm which verifies that a given certificate path is valid under a given public key infrastructure (PKI). A path starts with the Subject certificate and proceeds through a number of intermediate certificates up to a trusted root certificate ...
In computer security, digital certificates are verified using a chain of trust. The trust anchor for the digital certificate is the root certificate authority (CA). The certificate hierarchy is a structure of certificates that allows individuals to verify the validity of a certificate's issuer.
Let's Encrypt is a non-profit certificate authority run by Internet Security Research Group (ISRG) that provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. It is the world's largest certificate authority, [3] used by more than 300 million websites, [4] with the goal of all websites being secure and using HTTPS.