Re: [IPsec] comments on draft-ietf-ipsecme-aes-ctr-ikev2-05.txt

2010-03-08 Thread Paul Hoffman
At 11:17 AM -0800 3/8/10, Dan Harkins wrote: > Let me take this opportunity to point out that RFC 5297 describes >an AES-CTR variant that does not have the performance benefits that >GCM has but provides nonce misuse/abuse resistance. It feels like your comment is unrelated to this thread, unless

Re: [IPsec] comments on draft-ietf-ipsecme-aes-ctr-ikev2-05.txt

2010-03-08 Thread Dan Harkins
Hi, Let me take this opportunity to point out that RFC 5297 describes an AES-CTR variant that does not have the performance benefits that GCM has but provides nonce misuse/abuse resistance. It is a much more robust alternative than CCM because security is not voided if the nonce/counter happe

Re: [IPsec] comments on draft-ietf-ipsecme-aes-ctr-ikev2-05.txt

2010-03-08 Thread Paul Hoffman
At 8:33 AM -0800 3/8/10, David McGrew wrote: >The statement that "Although the [RFC4307] specifies that the AES-CTR >encryption algorithm feature SHOULD be supported by IKEv2, no existing >document specifies how IKEv2 can support the feature" is not completely >correct. RFC 5282 specifies how