RFC 1825 (rfc1825) - Page 1 of 22
Security Architecture for the Internet Protocol
Alternative Format: Original Text Document
Network Working Group R. Atkinson
Request for Comments: 1825 Naval Research Laboratory
Category: Standards Track August 1995
Security Architecture for the Internet Protocol
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
1. INTRODUCTION
This memo describes the security mechanisms for IP version 4 (IPv4)
and IP version 6 (IPv6) and the services that they provide. Each
security mechanism is specified in a separate document. This
document also describes key management requirements for systems
implementing those security mechanisms. This document is not an
overall Security Architecture for the Internet and is instead focused
on IP-layer security.
1.1 Technical Definitions
This section provides a few basic definitions that are applicable to
this document. Other documents provide more definitions and
background information [VK83, HA94].
Authentication
The property of knowing that the data received is the same as
the data that was sent and that the claimed sender is in fact
the actual sender.
Integrity
The property of ensuring that data is transmitted from source
to destination without undetected alteration.
Confidentiality
The property of communicating such that the intended
recipients know what was being sent but unintended
parties cannot determine what was sent.
Encryption
A mechanism commonly used to provide confidentiality.
Atkinson Standards Track