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use old secret key derivation function (#2482)

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* use old secret key derivation function

* compat

* cargo
This commit is contained in:
Aiden McClelland
2023-10-27 17:32:21 -06:00
committed by GitHub
parent 0865cffddf
commit 182a095420
4 changed files with 7 additions and 9 deletions
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1
backend/Cargo.lock generated
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@@ -4911,6 +4911,7 @@ dependencies = [
"digest 0.10.7",
"divrem",
"ed25519 2.2.3",
"ed25519-dalek 1.0.1",
"ed25519-dalek 2.0.0",
"embassy_container_init",
"emver",

2
backend/Cargo.toml
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@@ -66,11 +66,11 @@ divrem = "1.0.0"
ed25519 = { version = "2.2.3", features = ["pkcs8", "pem", "alloc"] }
ed25519-dalek = { version = "2.0.0", features = [
"serde",
"hazmat",
"zeroize",
"rand_core",
"digest",
] }
ed25519-dalek-v1 = { package = "ed25519-dalek", version = "1" }
embassy_container_init = { path = "../libs/embassy_container_init" }
emver = { version = "0.1.7", git = "https://github.com/Start9Labs/emver-rs.git", features = [
"serde",

12
backend/src/util/crypto.rs
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@@ -1,13 +1,9 @@
use ed25519_dalek::hazmat::ExpandedSecretKey;
use ed25519_dalek::{SecretKey, EXPANDED_SECRET_KEY_LENGTH};
#[inline]
pub fn ed25519_expand_key(key: &SecretKey) -> [u8; EXPANDED_SECRET_KEY_LENGTH] {
let key = ExpandedSecretKey::from(key);
let mut bytes: [u8; 64] = [0u8; 64];
bytes[..32].copy_from_slice(key.scalar.as_bytes());
bytes[32..].copy_from_slice(&key.hash_prefix[..]);
bytes
ed25519_dalek_v1::ExpandedSecretKey::from(
&ed25519_dalek_v1::SecretKey::from_bytes(key).unwrap(),
)
.to_bytes()
}