| Atkinson, R., "IPv6 Encapsulating Security Payload (ESP)." Internet Draft, February 16, 1995. |
....The receiving host is able to devise the Security Association using the originator s address and SAID value. 2.1 Authentication Header The structure of the authentication header looks like: The authentication header is the means IPv6 uses to add security through authentication to datagrams. [4] This header is individually computed for packets prior to sending. However, the header field itself can be easily ignored by existing IPv4 systems. In IPv6 systems, the authentica2 tion header field is produced using the non transient fields in the header block of each datagram (those which do ....
....SAID. While the default IPv6 encryption algorithm is the Data Encryption Standard with Cipher Block Chaining (DES CBC) transform, the option has been left for future use of other algorithms and algorithm modes. 3] As mentioned, there are two distinct ESP modes: IP tunnel mode, and transport mode. [4] The main differences are in how each handles head3 Security Association Identifier (SAID) 32 bits Algorithm dependent Initialization Vector (length variable) Next Header (8 bits) Length (8 bits) Reserved (16 bits) Encrypted Data Algorithm dependent Trailer Figure 2: A Typical ESP Header ....
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Atkinson, R., "IPv6 Encapsulating Security Payload (ESP)." Internet Draft, February 16, 1995.
....[19] The following is a partial list of protocols or protocol options using MD5. Some protocols on this list chose MD5 explicitly because of its use in SNMP V2, thus its implementation in many routers (indicated by a star ) SNMP V2 [10] IPv6 IPng [1] 12] IPng ESH (uses DES) [3] . IPv4 [19] 20] SIPP (progenitor of IPng) 7] OSPF [4] RIP II [5] RIPng [17] TCP [11] SOCKS V5 [16] WWW s Secure HyperText Transfer Protocol [25] WWW s SimpleMD5 [13] There is some concern that the performance of MD5 may not keep up with these other protocols. SNMP ....
Atkinson, R., "IPv6 Encapsulating Security Payload (ESP)," (working draft - draft-ietf-ipngwg-esp-00.txt), February 1995.
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