+1

Cargo.lock

··· 1613 1613 dependencies = [ 1614 1614 "base58", 1615 1615 "hex-literal", 1616 1616 + "k256", 1616 1617 "postcard", 1617 1618 "serde", 1618 1619 "serde_ipld_dagcbor",

+1

Cargo.toml

··· 10 10 stack_size = 65536 11 11 12 12 [dependencies] 13 13 + k256 = { version = "0.13.4", default-features = false, features = ["alloc", "ecdsa-core"] } 13 14 postcard = { version = "1.1.1", features = ["alloc"] } 14 15 serde_ipld_dagcbor = { git = "http://github.com/edouardparis/serde_ipld_dagcbor", branch = "scopeguard-no-default-features", default-features = false } 15 16 sdk = { package = "vanadium-app-sdk", git = "https://github.com/LedgerHQ/vanadium"}

+2 -2

src/main.rs

··· 168 168 hasher.digest(&mut digest); 169 169 170 170 let sig = privkey.ecdsa_sign_hash(&digest).unwrap(); 171 171 - 172 172 - Ok(Response::Signature(sig)) 171 171 + let sig = k256::ecdsa::Signature::from_der(&sig).unwrap(); 172 172 + Ok(Response::Signature(sig.to_bytes().to_vec())) 173 173 } 174 174 175 175 fn process(_app: &mut App, request: &[u8]) -> Vec<u8> {