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jonesmarvin8 2026-03-20 11:21:16 -04:00
parent b2e99c4a8f
commit 8b061a848a
1 changed files with 10 additions and 5 deletions
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15
nssa/src/signature/private_key.rs
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@ -1,7 +1,7 @@
use std::str::FromStr;
use risc0_zkvm::sha::{Impl, Sha256 as _};
use rand::{Rng as _, rngs::OsRng};
use risc0_zkvm::sha::{Impl, Sha256 as _};
use serde_with::{DeserializeFromStr, SerializeDisplay};
use crate::error::NssaError;
@ -70,12 +70,17 @@ impl PrivateKey {
let mut bytes = vec![];
let pk = secp256k1::PublicKey::from_secret_key(&secp256k1::Secp256k1::new(), &sk);
bytes.extend_from_slice(&secp256k1::PublicKey::serialize(&pk));
let hashed: [u8; 32] = Impl::hash_bytes(&bytes).as_bytes().try_into().expect("Sha256 outputs a 32-byte array");
let hashed: [u8; 32] = Impl::hash_bytes(&bytes)
.as_bytes()
.try_into()
.expect("Sha256 outputs a 32-byte array");
Self::try_new(
sk.add_tweak(&secp256k1::Scalar::from_be_bytes(hashed).expect("Expect a valid secp256k1 Scalar"))
.expect("Expect a valid Scalar")
.secret_bytes(),
sk.add_tweak(
&secp256k1::Scalar::from_be_bytes(hashed).expect("Expect a valid secp256k1 Scalar"),
)
.expect("Expect a valid Scalar")
.secret_bytes(),
)
}
}