Struct Digest 

pub struct Digest(/* private fields */);

Fixed-width digest used for protocol commitments.

Digest is Copy for ergonomic identifier wrappers and therefore cannot zero its backing bytes on drop. Use ZeroizedDigest at processing boundaries where digest residue must not survive the scope.

Implementations

impl Digest

pub const LEN: usize = 32

Digest byte length for the first BCX profile.

pub const fn new(bytes: [u8; 32]) -> Self

Creates a digest from raw bytes.

pub const fn as_bytes(&self) -> &[u8; 32]

Returns the digest as bytes.

pub fn is_zero(&self) -> bool

Returns true when every byte is zero.

pub fn ct_eq(&self, other: &Self) -> bool

Compares two digests without data-dependent early exit.

This is also used by PartialEq to avoid byte-by-byte early exit.

Trait Implementations

impl Clone for Digest

fn clone(&self) -> Digest

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Digest

impl Debug for Digest

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

Formats the value using the given formatter.

impl Eq for Digest

impl From<Digest> for ZeroizedDigest

fn from(digest: Digest) -> Self

Converts to this type from the input type.

impl Hash for Digest

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Digest

fn eq(&self, other: &Self) -> 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.