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secp256k1 uses sha 256, not blake2

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Ignotus Peverell 2018-02-26 19:31:54 +00:00 committed by GitHub
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commit 34e47749de
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GPG key ID: 4AEE18F83AFDEB23
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doc/contracts.md
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@ -172,7 +172,7 @@ this time, instead of simply sending `sr = kr + e * rr` with his `rr*G` and
`kr*G`, Bob sends `sr' = kr + x + e * rr` as well as `x*G`. `kr*G`, Bob sends `sr' = kr + x + e * rr` as well as `x*G`.
3. Alice can validate that `sr'*G = kr*G + x*G + rr*G`. 3. Alice can validate that `sr'*G = kr*G + x*G + rr*G`.
4. Alice sends back her `ss = ks + e * xs` as she normally would, now that she 4. Alice sends back her `ss = ks + e * xs` as she normally would, now that she
can also compute `e = Blake2(M | ks*G + kr*G)`. can also compute `e = SHA256(M | ks*G + kr*G)`.
5. To complete the signature, Bob computes `sr = kr + e * rr` and the final 5. To complete the signature, Bob computes `sr = kr + e * rr` and the final
signature is `(sr + ss, kr*G + ks*G)`. signature is `(sr + ss, kr*G + ks*G)`.
6. As soon as Bob broadcasts the final transaction to get his new grins, Alice 6. As soon as Bob broadcasts the final transaction to get his new grins, Alice