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Hi guys, I'm trying to implement the statecoin protocol, I used the schnorr to handle the multisig between the server and user. We create the signature using this one
``` rust
let sighash = …
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https://bips.xyz/340#changelog
* 2022-08: Fix function signature of lift_x in reference code
* 2023-04: Allow messages of arbitrary size
* 2024-05: Update "Applications" section with more recent …
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If I'm understanding the API correctly, it's not currently possible to use this crate to sign or verify BIP340 messages that are not exactly 32 bytes long. Is this correct? If so is there any change o…
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The initial goal for the Bouncy Castle ECDSA Implementation should be for the Schnorr.{java,kt} examples to work properly.
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(Assume we perform $\text{mod} \\, n$ everywhere)
Let’s define the presignature as:
$$
s = \hat k + H(\mathrm{ R'.x \\;||\\; msg \\;||\\; P.x} ) \cdot x
$$
where,
$$
\hat{k} =
\begin{cas…
siv2r updated
1 month ago
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Supporting Schnorr signatures will enable several interesting new features:
- Support federations with >20 peers (Taproot transactions)
- Much cheaper on-chain fees (Taproot transactions)
- BOLT12 …
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# Description
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We need an MPC algo that is resilient to in-group aborts / DoS at wallet creation and signing time.
Our two candidates are CGGMP21, a complex ECDSA protocol we’ve put a lot of time into... and FROS…
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[1] https://en.bitcoin.it/wiki/Schnorr
> Schnorr signatures are a proposed future extension that give a new way to generate signatures **(R, s)** on a hash **h**.
> Given a hash value **h**, ha…