TKEY record

From Wikipedia, the free encyclopedia

TKEY is a record type of the Domain Name System.

TKEY RR can used in number of different modes to establish shared keys between a DNS resolver and Server.

Contents 1 TKEY record format 2 Mode Field values 3 See also 4 References

[edit] TKEY record format

NAME

Key name, which must be unique on client and server

TKEY

TKEY (249)

CLASS

ANY (255

TTL

0 TTL (since TKEY records must not be cached)

RDLENGTH Length of RDATA field

RDATA (variable-length structure containing the timestamp, algorithm, mode, hash data and error)

[edit] Mode Field values

• 0 - Reserved
• 1 - Server assignment
• 2 - Diffie-Hellman exchange
• 3 - Generic Security Service Algorithm for Secret Key Transaction
• 4 - Resolver assignment
• 5 - key deletion
• 6-65534 - available
• 65535 - reserved;

[edit] See also

• Domain Name System
• List of DNS record types‎

[edit] References

• RFC 2930, "Secret Key Establishment for DNS (TKEY RR)", D. Eastlake, September 2000