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working signing

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This commit is contained in:
Evan Feenstra
2022-06-14 14:11:44 -07:00
parent c4e97e624e
commit a271530a7b
2 changed files with 17 additions and 6 deletions
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8
sphinx-key/Cargo.toml
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@@ -32,9 +32,11 @@ serde_urlencoded = "0.7.1"
serde = { version = "1.0.137", default-features = false }
serde_json = { version = "1.0.81", default-features = false }
[patch.crates-io]
# Low-memory version of secp256k1 with static precomputation
secp256k1 = { git = "https://github.com/devrandom/rust-secp256k1.git", rev = "4e745ebe7e4c9cd0a7e9c8d5c42e989522e52f71", feature = ["lowmemory"] }
secp256k1 = { git = "https://github.com/devrandom/rust-secp256k1.git", rev = "4e745ebe7e4c9cd0a7e9c8d5c42e989522e52f71", features = ["lowmemory"] }
# [patch.crates-io]
# # Low-memory version of secp256k1 with static precomputation
# secp256k1 = { git = "https://github.com/devrandom/rust-secp256k1.git", rev = "4e745ebe7e4c9cd0a7e9c8d5c42e989522e52f71" }
[build-dependencies]
embuild = "0.29"

15
sphinx-key/src/tiny.rs
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@@ -1,12 +1,21 @@
#![feature(once_cell)]
use sphinx_key_signer::lightning_signer::bitcoin::secp256k1::Secp256k1;
use secp256k1::{Message, PublicKey, Secp256k1, SecretKey};
// use sphinx_key_signer::lightning_signer::bitcoin::secp256k1::Secp256k1;
fn main() -> anyhow::Result<()> {
esp_idf_sys::link_patches();
let ctx = Secp256k1::new();
let secp = Secp256k1::new();
let secret_key = SecretKey::from_slice(&[0xcd; 32]).expect("32 bytes, within curve order");
let public_key = PublicKey::from_secret_key(&secp, &secret_key);
// This is unsafe unless the supplied byte slice is the output of a cryptographic hash function.
// See the above example for how to use this library together with `bitcoin_hashes`.
let message = Message::from_slice(&[0xab; 32]).expect("32 bytes");
let sig = secp.sign(&message, &secret_key);
assert!(secp.verify(&message, &sig, &public_key).is_ok());
println!("signature verified!");
Ok(())
}