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Add util/mem to zero out memory on drop. (#8356)

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* Add `util/mem` to zero out memory on drop.

* Remove nonsense.

* Remove `Into` impls for `Memzero`.

* Update ethereum-types and remove H256Mut.
This commit is contained in:
Toralf Wittner
2018-04-11 13:57:12 +02:00
committed by Marek Kotewicz
parent dd2c27958c
commit 2b05eb43a9
20 changed files with 190 additions and 95 deletions
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4
secret_store/src/key_server_cluster/client_sessions/decryption_session.rs
View File

@@ -1272,7 +1272,7 @@ mod tests {
use crypto::DEFAULT_MAC;
use crypto::ecies::decrypt;
let decrypt_shadows: Vec<_> = decrypted_secret.decrypt_shadows.unwrap().into_iter()
.map(|c| Secret::from_slice(&decrypt(key_pair.secret(), &DEFAULT_MAC, &c).unwrap()))
.map(|c| Secret::from_slice(&decrypt(key_pair.secret(), &DEFAULT_MAC, &c).unwrap()).unwrap())
.collect();
let decrypted_secret = math::decrypt_with_shadow_coefficients(decrypted_secret.decrypted_secret, decrypted_secret.common_point.unwrap(), decrypt_shadows).unwrap();
assert_eq!(decrypted_secret, SECRET_PLAIN.into());
@@ -1418,7 +1418,7 @@ mod tests {
let result = sessions[0].decrypted_secret().unwrap().unwrap();
assert_eq!(3, sessions.iter().skip(1).filter(|s| s.decrypted_secret() == Some(Ok(result.clone()))).count());
let decrypt_shadows: Vec<_> = result.decrypt_shadows.unwrap().into_iter()
.map(|c| Secret::from_slice(&decrypt(key_pair.secret(), &DEFAULT_MAC, &c).unwrap()))
.map(|c| Secret::from_slice(&decrypt(key_pair.secret(), &DEFAULT_MAC, &c).unwrap()).unwrap())
.collect();
let decrypted_secret = math::decrypt_with_shadow_coefficients(result.decrypted_secret, result.common_point.unwrap(), decrypt_shadows).unwrap();
assert_eq!(decrypted_secret, SECRET_PLAIN.into());

4
secret_store/src/key_server_cluster/math.rs
View File

@@ -37,7 +37,7 @@ pub fn zero_scalar() -> Secret {
pub fn to_scalar(hash: H256) -> Result<Secret, Error> {
let scalar: U256 = hash.into();
let scalar: H256 = (scalar % math::curve_order()).into();
let scalar = Secret::from_slice(&*scalar);
let scalar = Secret::from(scalar.0);
scalar.check_validity()?;
Ok(scalar)
}
@@ -697,7 +697,7 @@ pub mod tests {
// === required to generate shares of inv(x) mod r with out revealing
// === any information about x or inv(x).
// === https://www.researchgate.net/publication/280531698_Robust_Threshold_Elliptic_Curve_Digital_Signature
// generate shared random secret e for given t
let n = artifacts.id_numbers.len();
assert!(t * 2 + 1 <= n);