Hi,

The document takes care to not define Implicit IV for AES-CBC, and I believe the underlying reason is malleability of the encryption. The same would apply to AES-CTR. So I would suggest to:

 * Exclude AES-CTR from this draft, or...
 * Better yet, restrict the draft to AEAD algorithms.

BTW, the reference for AES-GCM is incorrect. Should be 4106.

Speaking of which, AES-GCM in ESP has a "salt" derived from IKE key material. Is that kept intact by the current proposal?

Thanks,

    Yaron

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