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Helper function generate_nonce to avoid duplicates + default values for Scrypt

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This commit is contained in:
Kostas Chalkias
2021-02-21 20:29:26 -08:00
parent fa0fb48654
commit 37f98b3742
2 changed files with 18 additions and 11 deletions
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src/slow_hash.rs
+9 -1
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@@ -30,13 +30,21 @@ impl<D: Hash> SlowHash<D> for NoOpHash {
}
}
#[cfg(feature = "slow-hash")]
const DEFAULT_SCRYPT_LOG_N: u8 = 15u8;
#[cfg(feature = "slow-hash")]
const DEFAULT_SCRYPT_R: u32 = 8u32;
#[cfg(feature = "slow-hash")]
const DEFAULT_SCRYPT_P: u32 = 1u32;
#[cfg(feature = "slow-hash")]
impl<D: Hash> SlowHash<D> for scrypt::ScryptParams {
fn hash(
input: GenericArray<u8, <D as Digest>::OutputSize>,
) -> Result<Vec<u8>, InternalPakeError> {
let params =
scrypt::ScryptParams::new(15, 8, 1).map_err(|_| InternalPakeError::SlowHashError)?;
scrypt::ScryptParams::new(DEFAULT_SCRYPT_LOG_N, DEFAULT_SCRYPT_R, DEFAULT_SCRYPT_P)
.map_err(|_| InternalPakeError::SlowHashError)?;
let mut output = vec![0u8; <D as Digest>::OutputSize::to_usize()];
scrypt::scrypt(&input, &[], &params, &mut output)
.map_err(|_| InternalPakeError::SlowHashError)?;