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28 Commits (34f08eef845ef5ba4ba5ebe34d8819a8fb434edc)

Author SHA1 Message Date
Olaoluwa Osuntokun 34f08eef84 ch-10: expand high level explanation of how Bob constructs the next onion packet 
Still need to expand on the blinded of the session key as noted in the TODO section below.
 3 years ago
Olaoluwa Osuntokun f9d600f97e ch-10: bob only verifies the HMAC once, but he extracts the outer HAMC for chan 
Continuing to propagate HMAC fix, Bob does't need to verify the HMAC again, instead he needs to extract the inner HMAC, as it'll become the outer HMAC for Chan.
 3 years ago
Olaoluwa Osuntokun 6127633569 ch-10: propagate ordering fix to the other hops 3 years ago
Olaoluwa Osuntokun bd082abae0 ch-10: add section on replay protection+detection 3 years ago
Olaoluwa Osuntokun e2d2bede3d ch-10: fix ordering of HMAC steps, HMAC is computed over encrypted payload 
The outer HMAC for the final hop is computed over the encrypted payload. Instead, the inner HMAC is just blank for the final hop. In this commit, we switch the ordering to reflect this. The diagrams will need to be updated as well.
 3 years ago
Olaoluwa Osuntokun 351d45b669 ch-10: explain the distinction between the outer and inner HMACs 3 years ago
Olaoluwa Osuntokun 536e4ad697 ch-10: add extra description of the 2 ways to recognize a terminal packet 3 years ago
Olaoluwa Osuntokun d6a8ca6c36 ch-10: specify that mu key is used to generate the inner HMAC 3 years ago
Olaoluwa Osuntokun 80624d94c5 ch-10: mention that the inner HMAC for the final hop is all zeros 3 years ago
Olaoluwa Osuntokun 47e4018eb4 ch-10: mention session key re-blinding scheme at the core of sphinx 3 years ago
Olaoluwa Osuntokun d725b9cba5 ch-10: elaborate more on the usage of the rho key in the scheme 3 years ago
Olaoluwa Osuntokun 5ca029ad93 ch-10: small typo fix 3 years ago
Olaoluwa Osuntokun fe4a1870d2 ch-10: explcitily call out all zero for scid as final hop indicator 
In practice, the HMAC for the _next_ hop is also zero, but most
implementations will check the `scid` value instead.
 3 years ago
Olaoluwa Osuntokun 4c6f23835d ch-10: typo fix for total_msat description 3 years ago
Olaoluwa Osuntokun fdb2d8748f ch-10: mention the role of the payment_secret in e2e security 
Without this value, any intermediate node can construct a _new_ onion
packet with modified values for the CLTV and amount, to attempt to see
if the next hop is actually the final hop in the route.
 3 years ago
Olaoluwa Osuntokun 9272814286 ch-10: minor grammar fix for Alice payload construction 3 years ago
Olaoluwa Osuntokun 1f9fdd4bda ch-10: add errata about htlc min+max also being included in chan updates 3 years ago
Andreas M. Antonopoulos c08db66263 Small edit 3 years ago
Andreas M. Antonopoulos 489a46cb0f Error return and conclusion 3 years ago
Andreas M. Antonopoulos a061568754 Unwrapping the onion diagrams 3 years ago
Andreas M. Antonopoulos b50af33288 Unwrapping the onion 3 years ago
Andreas M. Antonopoulos bafcc1c93d misc edits and heading changes, README update 3 years ago
Andreas M. Antonopoulos a6d7fcccda Breakdown wrapping the onion into more steps 3 years ago
Andreas M. Antonopoulos fe29c5d894 Wrapping the onion done 3 years ago
Andreas M. Antonopoulos e2e8dc3e92 wrapping the onion 3 years ago
Andreas M. Antonopoulos e3b3a42e70 onion payloads, key gen, ECDH 3 years ago
Andreas M. Antonopoulos af152cbebc onion routing path and payloads 3 years ago
Andreas M. Antonopoulos 7d775e12f8 rename and README update 3 years ago