On 01/01/2016 06:35 AM, Aaron Zauner wrote:
> This might be a good time to point again to my existing AES-OCB
> draft that hasn't really seen a lot of discussion nor love lately.
> It expired but I've recently updated the draft (not yet uploaded
> to IETF as I'm waiting for implementer feedback fro
Quoting Aaron Zauner :
On the other hand, after 2^60 OCB messages of 2^16 blocks (and thus 2^76
total blocks), a block collision is almost guaranteed to have happened,
enabling the aforementioned forgeries.
Sure. Would you see any way to improve this situation in the draft,
i.e. give implement
On 12/01/2016 02:03, Watson Ladd wrote:
> However, free-start collisions have been found, as have ways to modify
> constants in the SHA-1 IV to get collisions.
To be clear, the research into maliciously altering SHA-1 to make collisions
easier changed the K_i constants added
during the rounds, no