Struct GlobalState 

pub struct GlobalState<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> { /* private fields */ }

A BuildHasher that uses a global seed and secrets, randomized only once on startup.

The global secrets are randomized on the first instantiation, and then every subsequent instance of GlobalState will re-use the same seed and secrets, ensuring consistent hash outputs for the duration of the program.

Implementations

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

pub fn new() -> Self

Create a new global state with a global seed and secrets.

The seed and secrets will be randomized on the first instantiation of GlobalState, but all subsequent instances will share the same seed and secrets.

On platforms which do not support atomic pointers, the secrets will be the default rapidhash secrets, which are not randomized. Therefore, targets without atomic pointer support will not have minimal HashDoS resistance guarantees.

Trait Implementations

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> BuildHasher for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

type Hasher = RapidHasher<'static, AVALANCHE, SPONGE, COMPACT, PROTECTED>

Type of the hasher that will be created.

fn build_hasher(&self) -> Self::Hasher

Creates a new hasher.

fn hash_one<T>(&self, x: T) -> u64

where T: Hash, Self: Sized, Self::Hasher: Hasher,

Calculates the hash of a single value.

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> Clone for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

fn clone(&self) -> GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> Copy for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> Debug for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> Default for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

Warning that GlobalState only randomizes the seed on platforms that support atomic pointers.

fn default() -> Self

Returns the “default value” for a type.

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> Eq for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> PartialEq for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>

fn eq(&self, other: &GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<const AVALANCHE: bool, const SPONGE: bool, const COMPACT: bool, const PROTECTED: bool> StructuralPartialEq for GlobalState<AVALANCHE, SPONGE, COMPACT, PROTECTED>