Struct DekCache 

pub struct DekCache { /* private fields */ }

In-memory LRU cache for data-encryption keys.

Implementations

impl DekCache

pub fn new(capacity: usize, ttl: Duration) -> Self

Construct a cache with the provided capacity and TTL.

pub fn from_env() -> Self

Construct a cache using environment-driven defaults.

pub fn ttl(&self) -> Duration

Cache TTL.

pub fn get(&mut self, key: &CacheKey) -> Option<DekMaterial>

Fetch a DEK from the cache if present and not expired.

pub fn insert(&mut self, key: CacheKey, dek: Vec<u8>, wrapped: Vec<u8>)

Insert or update a cached DEK.