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The Certificate Management Protocol (CMP) is an Internet protocol standardized by the IETF used for obtaining X.509 digital certificates in a public key infrastructure (PKI). CMP is a very feature-rich and flexible protocol, supporting many types of cryptography.
CMS is one of two protocols utilizing the Certificate Request Message Format (CRMF), described in RFC 4211, with the other protocol being CMP. The Enrollment over Secure Transport (EST) protocol, described in RFC 7030 , can be seen as a profile of CMC for use in provisioning certificates to end entities.
This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header.It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header.
Diagram of a 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.
IETF standards are developed in an open, all-inclusive process in which any interested individual can participate. All IETF documents are freely available over the Internet and can be reproduced at will. Multiple, working, useful, interoperable implementations are the chief requirement before an IETF proposed specification can become a standard ...
ACME logo. 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.
The CRMF format, as used by Certificate Management Protocol (CMP) and CMS, is more flexible here, supporting also keys that are usable for encryption only. Although proof-of-origin of certificate enrollment requests, i.e., authentication of the certificate requester, is the most critical security requirement, for pragmatic reasons its support ...
IETF Draft (1998) [18] NACK-Oriented Reliable Multicast Transport Protocol: NORM: 2000: RFC 5740: Odette File Transfer Protocol: OFTP: Organisation for Data Exchange by Tele Transmission in Europe: 1986: X.25: RFC 6726 [19] Odette File Transfer Protocol 2: OFTP2: Organisation for Data Exchange by Tele Transmission in Europe: 2007: X.25 ...