Authentication Algo Selection Old Old New Req RFC Requirement Authentication Algorithm ------ -------- ------------------ -------------------------------- MUST 2328 MUST- Keyed MD5 - - SHOULD+ HMAC-SHA-1 [*] - - MAY+ HMAC-SHA-256/ HMAC-SHA-384/ HMAC-SHA-512 [*] Bhatia, M., Manral, V., White, R. and Barnes, M.," OSPF HMAC Cryptographic Authentication”, Work in Progress |