# Uses of Package
org.xlattice.crypto.filters

- Packages that use org.xlattice.crypto.filters
  Package | Description
  --- | ---
  org.xlattice.crypto.filters | Bloom filter implementation used by DecayingBloomFilter for efficient set membership testing.

- Classes in org.xlattice.crypto.filters used by org.xlattice.crypto.filters
  Class and Description
  BloomSHA1.FilterKey Stores the (opaque) bloom filter offsets for reuse.
  KeySelector.BitSelector Interface for extracting bit offsets from cryptographic keys for Bloom filter operations.
  KeySelector.WordSelector Interface for extracting word offsets from cryptographic keys for Bloom filter operations.