MessageSchedule

frontend::components::sha2_gkr::sha256_bit_decomp

Struct MessageSchedule 

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pub struct MessageSchedule<F: Field, Adder> {
    msg_schedule: Vec<MessageScheduleState<F, Adder>>,
    _phantom: PhantomData<F>,
}
Expand description

Represents the 64 rounds of message schedule. Each Round consists of 32 Wires where the first 16 rounds are identity gates, and the rest are computed as per the spec

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§msg_schedule: Vec<MessageScheduleState<F, Adder>>§_phantom: PhantomData<F>

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impl<F, Adder> MessageSchedule<F, Adder>
where F: Field, Adder: AdderGateTrait<F, IntegralType = u32> + Clone,

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pub fn new( ckt_builder: &mut CircuitBuilder<F>, carry_layer: Option<&InputLayerNodeRef<F>>, msg_vars: &[NodeRef<F>], ) -> Self

Given the 16, 32-bit inputs in MBS format, computes the 64 rounds of message schedule corresponding to the input. The msg_vars must be the 16 32-bit words decomposed in MBS format.

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pub fn get_output_nodes(&self) -> Vec<NodeRef<F>>

Returns the list of 64 nodes corresponding to SHA256 message schedule

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pub fn populate_message_schedule( &self, circuit: &mut Circuit<F>, input_data: &[u32], ) -> Vec<u32>

Attaches a message schedule to the SHA Circuit. Note that this needs to match the way adder is implemented

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pub fn get_output_expr(&self) -> AbstractExpression<F>

Creates the output expression that can be tested with other output expressions

Auto Trait Implementations§

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impl<F, Adder> Freeze for MessageSchedule<F, Adder>

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impl<F, Adder> !RefUnwindSafe for MessageSchedule<F, Adder>

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impl<F, Adder> !Send for MessageSchedule<F, Adder>

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impl<F, Adder> !Sync for MessageSchedule<F, Adder>

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impl<F, Adder> Unpin for MessageSchedule<F, Adder>
where F: Unpin, Adder: Unpin,

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impl<F, Adder> !UnwindSafe for MessageSchedule<F, Adder>

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