Search results
Results from the Health.Zone Content Network
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 ...
A certificate authority can issue multiple certificates in the form of a tree structure. A root certificate is the top-most certificate of the tree, the private key which is used to "sign" other certificates. All certificates signed by the root certificate, with the "CA" field set to true, inherit the trustworthiness of the root certificate—a ...
In cryptography, X.509 is an International Telecommunication Union (ITU) standard defining the format of public key certificates. [1] X.509 certificates are used in many Internet protocols, including TLS/SSL, which is the basis for HTTPS, [2] the secure protocol for browsing the web. They are also used in offline applications, like electronic ...
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.
Assured Compliance Assessment Solution (ACAS) is a software set of information security tools used for vulnerability scanning and risk assessment by agencies of the United States Department of Defense (DoD). [1] It performs automated vulnerability scanning and device configuration assessment. ACAS was implemented by the DoD in 2012, with ...
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 ...
An offline root certificate authority is a certificate authority (as defined in the X.509 standard and RFC 5280) which has been isolated from network access, and is often kept in a powered-down state. In a public key infrastructure, the chain of trusted authorities begins with the root certificate authority (root CA).
The Defense Language Institute Foreign Language Center (DLIFLC) traces its roots to the eve of United States entry into World War II, when the U.S. Army established a secret school at the Presidio of San Francisco with a budget of $2,000 to teach the Japanese language. Classes began 1 November 1941, with four instructors and 60 students in an ...