Struct halo2_gadgets::sha256::Sha256
source · pub struct Sha256<F: Field, CS: Sha256Instructions<F>> { /* private fields */ }
Available on crate feature
unstable-sha256-gadget
only.Expand description
A gadget that constrains a SHA-256 invocation. It supports input at a granularity of 32 bits.
Implementations§
source§impl<F: Field, Sha256Chip: Sha256Instructions<F>> Sha256<F, Sha256Chip>
impl<F: Field, Sha256Chip: Sha256Instructions<F>> Sha256<F, Sha256Chip>
sourcepub fn new(chip: Sha256Chip, layouter: impl Layouter<F>) -> Result<Self, Error>
pub fn new(chip: Sha256Chip, layouter: impl Layouter<F>) -> Result<Self, Error>
Create a new hasher instance.
sourcepub fn update(
&mut self,
layouter: impl Layouter<F>,
data: &[Sha256Chip::BlockWord]
) -> Result<(), Error>
pub fn update( &mut self, layouter: impl Layouter<F>, data: &[Sha256Chip::BlockWord] ) -> Result<(), Error>
Digest data, updating the internal state.
Trait Implementations§
Auto Trait Implementations§
impl<F, CS> RefUnwindSafe for Sha256<F, CS>where CS: RefUnwindSafe, <CS as Sha256Instructions<F>>::BlockWord: RefUnwindSafe, <CS as Sha256Instructions<F>>::State: RefUnwindSafe,
impl<F, CS> Send for Sha256<F, CS>where CS: Send, <CS as Sha256Instructions<F>>::BlockWord: Send, <CS as Sha256Instructions<F>>::State: Send,
impl<F, CS> Sync for Sha256<F, CS>where CS: Sync, <CS as Sha256Instructions<F>>::BlockWord: Sync, <CS as Sha256Instructions<F>>::State: Sync,
impl<F, CS> Unpin for Sha256<F, CS>where CS: Unpin, <CS as Sha256Instructions<F>>::BlockWord: Unpin, <CS as Sha256Instructions<F>>::State: Unpin,
impl<F, CS> UnwindSafe for Sha256<F, CS>where CS: UnwindSafe, <CS as Sha256Instructions<F>>::BlockWord: UnwindSafe, <CS as Sha256Instructions<F>>::State: UnwindSafe,
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