Struct halo2_gadgets::poseidon::Pow5Chip
source · [−]Expand description
A Poseidon chip using an $x^5$ S-Box.
The chip is implemented using a single round per row for full rounds, and two rounds per row for partial rounds.
Implementations
sourceimpl<F: FieldExt, const WIDTH: usize, const RATE: usize> Pow5Chip<F, WIDTH, RATE>
impl<F: FieldExt, const WIDTH: usize, const RATE: usize> Pow5Chip<F, WIDTH, RATE>
sourcepub fn configure<S: Spec<F, WIDTH, RATE>>(
meta: &mut ConstraintSystem<F>,
state: [Column<Advice>; WIDTH],
partial_sbox: Column<Advice>,
rc_a: [Column<Fixed>; WIDTH],
rc_b: [Column<Fixed>; WIDTH]
) -> Pow5Config<F, WIDTH, RATE>
pub fn configure<S: Spec<F, WIDTH, RATE>>(
meta: &mut ConstraintSystem<F>,
state: [Column<Advice>; WIDTH],
partial_sbox: Column<Advice>,
rc_a: [Column<Fixed>; WIDTH],
rc_b: [Column<Fixed>; WIDTH]
) -> Pow5Config<F, WIDTH, RATE>
Configures this chip for use in a circuit.
Side-effects
All columns in state
will be equality-enabled.
sourcepub fn construct(config: Pow5Config<F, WIDTH, RATE>) -> Self
pub fn construct(config: Pow5Config<F, WIDTH, RATE>) -> Self
Construct a Pow5Chip
.
Trait Implementations
sourceimpl<F: FieldExt, const WIDTH: usize, const RATE: usize> Chip<F> for Pow5Chip<F, WIDTH, RATE>
impl<F: FieldExt, const WIDTH: usize, const RATE: usize> Chip<F> for Pow5Chip<F, WIDTH, RATE>
type Config = Pow5Config<F, WIDTH, RATE>
type Config = Pow5Config<F, WIDTH, RATE>
A type that holds the configuration for this chip, and any other state it may need
during circuit synthesis, that can be derived during Circuit::configure
. Read more
type Loaded = ()
type Loaded = ()
A type that holds any general chip state that needs to be loaded at the start of
Circuit::synthesize
. This might simply be ()
for some chips. Read more
sourceimpl<F: Debug + FieldExt, const WIDTH: usize, const RATE: usize> Debug for Pow5Chip<F, WIDTH, RATE>
impl<F: Debug + FieldExt, const WIDTH: usize, const RATE: usize> Debug for Pow5Chip<F, WIDTH, RATE>
sourceimpl<F: FieldExt, S: Spec<F, WIDTH, RATE>, const WIDTH: usize, const RATE: usize> PoseidonInstructions<F, S, WIDTH, RATE> for Pow5Chip<F, WIDTH, RATE>
impl<F: FieldExt, S: Spec<F, WIDTH, RATE>, const WIDTH: usize, const RATE: usize> PoseidonInstructions<F, S, WIDTH, RATE> for Pow5Chip<F, WIDTH, RATE>
sourceimpl<F: FieldExt, S: Spec<F, WIDTH, RATE>, D: Domain<F, RATE>, const WIDTH: usize, const RATE: usize> PoseidonSpongeInstructions<F, S, D, WIDTH, RATE> for Pow5Chip<F, WIDTH, RATE>
impl<F: FieldExt, S: Spec<F, WIDTH, RATE>, D: Domain<F, RATE>, const WIDTH: usize, const RATE: usize> PoseidonSpongeInstructions<F, S, D, WIDTH, RATE> for Pow5Chip<F, WIDTH, RATE>
sourcefn initial_state(
&self,
layouter: &mut impl Layouter<F>
) -> Result<[Self::Word; T], Error>
fn initial_state(
&self,
layouter: &mut impl Layouter<F>
) -> Result<[Self::Word; T], Error>
Returns the initial empty state for the given domain.
Auto Trait Implementations
impl<F, const WIDTH: usize, const RATE: usize> RefUnwindSafe for Pow5Chip<F, WIDTH, RATE> where
F: RefUnwindSafe,
impl<F, const WIDTH: usize, const RATE: usize> Send for Pow5Chip<F, WIDTH, RATE>
impl<F, const WIDTH: usize, const RATE: usize> Sync for Pow5Chip<F, WIDTH, RATE>
impl<F, const WIDTH: usize, const RATE: usize> Unpin for Pow5Chip<F, WIDTH, RATE> where
F: Unpin,
impl<F, const WIDTH: usize, const RATE: usize> UnwindSafe for Pow5Chip<F, WIDTH, RATE> where
F: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
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impl<T> FmtForward for T
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