8146b838e8
daemon/sphinx: split handling.
We want to use HSM to do the ECDH part, so split that out.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
8 years ago
cae283087d
sphinx: Committing the onion packet to the payment-hash
The sphinx onion packet now commits to the HTLC payment-hash it is
associated with. This prevents replay attacks with the same onion.
8 years ago
91b17d45d8
sphinx: Removing last vestiges of the end-to-end payload
So far this was simply set to a zero-length end-to-end payload. We
don't have any plans of re-adding it for the moment, so let's get rid
of the unused code.
8 years ago
a4fdaab5b3
Use global secp256k1_ctx instead of passing it around.
If I'd known how large this patch would be (though trivial), I'd
have done it in parts.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
8 years ago
7bb5c279a8
sphinx: Implemented sphinx onion routing
Implements a spec-compliant sphinx onion routing format. The format has
been cross-checked with the go implementation
cdecker/lightning-onion@b9e117e.
9 years ago
Rusty Russell
Christian Decker