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Hey I found this [crate that has verification](https://github.com/stevenroose/hal/blob/master/src/bin/hal/cmd/message.rs#L79)
and I reworked it to make it work with the newest updates (or at least …
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Are you planning to add more ECDSA algorithms such as `ES256K` (curve `secp256k1`)? I looked into [ring](https://crates.io/crates/ring) which currently only seems to support `ES256` and `ES384`. Seems…
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I tried to use secp256k1-py to verify a couple of (simple P2PKH) signatures found on the Bitcoin blockchain, and some succeeded and some failed. I think it's safe to assume that all these signatures a…
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here is simple code:
```rust
pub fn check_btc_sign(address: &str, sign: &str, msg: &str) -> bool {
let address = bitcoin::Address::from_str(address)
.unwrap()
.assume_checke…
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# Introduction
## Curves
There are two elliptic curves used in firmware:
* secp256k1 (the Bitcoin curve)
* nist256p1 (also known as secp256r1)
We also use curve25519 and ed25519 but I won't…
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In case I already have an account on Hedera and I have the mnemonic how I can get the accountId that is associated? (the account was created by using the ECDSA_SECP256K1 public key)
```
let mnemon…
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- [ ] ML-DSA / [Dilithium](https://pq-crystals.org/dilithium/)
- [ ] SLH-DSA
- [x] DSA
- [x] ECDSA
- [x] NIST P-256 (via [`p256`](https://docs.rs/p256/latest/p256/ecdsa/index.html))
- [x] NIS…
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from pycoin.ecdsa import generator_secp256k1, sign, verify
import hashlib, secrets
---------------------------------------------------------------------------
ImportError …
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I'm dumping some unrefined notes here from a call on 2021-09-14 with some ECC & [RenVM](https://github.com/orgs/renproject) folks about technical requirements for ZSAs to integrate with the RenVM brid…
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I'm trying to update JSONLD to the latest version in https://github.com/hellobloom/ssi-sdk/tree/main/packages/ecdsa-secp256k1-signature-2019.
However this test: https://github.com/hellobloom/ssi-sd…