Add anti nonce-sidechannel protocol to schnorrsigs#572

Closed

jonasnick wants to merge 7 commits intobitcoin-core:masterfrom

jonasnick:schnorrsig-s2c

Commits on Jan 29, 2019

add chacha20 function

apoelstra
authored and
jonasnick
committed
Add schnorrsig module which implements BIP-schnorr [0] compatible signing, verification and batch verification.

apoelstra
authored and
jonasnick
committed
Add secp256k1_context argument to secp256k1_nonce_functions
jonasnick
committed
Add ec_commitments which are essentially the pay-to-contract-style tweaks of public keys.
jonasnick
committed
Add and expose sign-to-contract contexts and make nonce_function_bipschnorr do sign-to-contract commitments if an s2c context is provided as nonce data
jonasnick
committed
Add verification of schnorrsig sign-to-contract commitments
jonasnick
committed
Add anti nonce sidechannel protocol for schnorrsigs using nonce_function_bipschnorr
jonasnick
committed