Some IPsec references
  2012-12-20

Some IPsec ressources I was using while developing ipdecap

RFCs

Requirement Encryption Algorithm (notes)
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MUST NULL [RFC2410] (1)
MUST AES-CBC with 128-bit keys [RFC3602]
MUST- TripleDES-CBC [RFC2451]
SHOULD AES-CTR [RFC3686]
SHOULD NOT DES-CBC [RFC2405] (2)

Requirement Authentication Algorithm (notes)
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MUST HMAC-SHA1-96 [RFC2404] (3)
SHOULD+ AES-XCBC-MAC-96 [RFC3566]
MAY NULL (1)
MAY HMAC-MD5-96 [RFC2403] (4)

Authentication

Encryption