Struct DepthInformer

pub struct DepthInformer { /* private fields */ }

Fancy Object which computes information about the circuit of interest to FHE.

Implementations

impl DepthInformer

pub fn new() -> DepthInformer

Create a new DepthInformer

Trait Implementations

impl Clone for DepthInformer

fn clone(&self) -> DepthInformer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DepthInformer

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

Formats the value using the given formatter.

impl Display for DepthInformer

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

Formats the value using the given formatter.

impl Fancy for DepthInformer

type Item = DepthItem

The underlying wire datatype created by an object implementing Fancy.

type Error = DepthError

Errors which may be thrown by the users of Fancy.

fn constant(&mut self, _val: u16, q: u16) -> Result<Self::Item, Self::Error>

Create a constant x with modulus q.

fn output(&mut self, x: &Self::Item) -> Result<Option<u16>, Self::Error>

Process this wire as output. Some Fancy implementers don’t actually return output, but they need to be involved in the process, so they can return None.

fn outputs( &mut self, xs: &[Self::Item], ) -> Result<Option<Vec<u16>>, Self::Error>

Output a slice of wires.

impl FancyArithmetic for DepthInformer

fn add( &mut self, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

Add x and y.

fn sub( &mut self, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

Subtract x and y.

fn cmul(&mut self, x: &Self::Item, _y: u16) -> Result<Self::Item, Self::Error>

Multiply x times the constant c.

fn mul( &mut self, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

Multiply x and y.

fn proj( &mut self, _x: &Self::Item, _q: u16, _tt: Option<Vec<u16>>, ) -> Result<Self::Item, Self::Error>

Project x according to the truth table tt. Resulting wire has modulus q.

fn add_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>

Sum up a slice of wires.

fn mod_change( &mut self, x: &Self::Item, to_modulus: u16, ) -> Result<Self::Item, Self::Error>

Change the modulus of x to to_modulus using a projection gate.

impl FancyBinary for DepthInformer

fn xor( &mut self, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

Binary Xor

fn and( &mut self, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

Binary And

fn negate(&mut self, x: &Self::Item) -> Result<Self::Item, Self::Error>

Binary Not

fn or( &mut self, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

Uses Demorgan’s Rule implemented with an and gate and negation.

fn adder( &mut self, x: &Self::Item, y: &Self::Item, carry_in: Option<&Self::Item>, ) -> Result<(Self::Item, Self::Item), Self::Error>

Binary adder. Returns the result and the carry.

fn and_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>

Returns 1 if all wires equal 1.

fn or_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>

Returns 1 if any wire equals 1.

fn xor_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>

XOR many wires together

fn mux_constant_bits( &mut self, x: &Self::Item, b1: bool, b2: bool, ) -> Result<Self::Item, Self::Error>

If x = 0 returns the constant b1 else return b2. Folds constants if possible.

fn mux( &mut self, b: &Self::Item, x: &Self::Item, y: &Self::Item, ) -> Result<Self::Item, Self::Error>

If b = 0 returns x else y.

impl FancyInput for DepthInformer

type Item = DepthItem

The type that this Fancy object operates over.

type Error = DepthError

The type of error that this Fancy object emits.

fn receive_many( &mut self, moduli: &[u16], ) -> Result<Vec<Self::Item>, Self::Error>

Receive many values where the input is not known.

fn encode_many( &mut self, _values: &[u16], moduli: &[u16], ) -> Result<Vec<Self::Item>, Self::Error>

Encode many values where the actual input is known.

fn encode( &mut self, value: u16, modulus: u16, ) -> Result<Self::Item, Self::Error>

Encode a single value.

fn receive(&mut self, modulus: u16) -> Result<Self::Item, Self::Error>

Receive a single value.

fn encode_bundle( &mut self, values: &[u16], moduli: &[u16], ) -> Result<Bundle<Self::Item>, Self::Error>

Encode a bundle.

fn receive_bundle( &mut self, moduli: &[u16], ) -> Result<Bundle<Self::Item>, Self::Error>

Receive a bundle.

fn encode_bundles( &mut self, values: &[Vec<u16>], moduli: &[Vec<u16>], ) -> Result<Vec<Bundle<Self::Item>>, Self::Error>

Encode many input bundles.

fn receive_many_bundles( &mut self, moduli: &[Vec<u16>], ) -> Result<Vec<Bundle<Self::Item>>, Self::Error>

Receive many input bundles.

fn crt_encode( &mut self, value: u128, modulus: u128, ) -> Result<CrtBundle<Self::Item>, Self::Error>

Encode a CRT input bundle.

fn crt_receive( &mut self, modulus: u128, ) -> Result<CrtBundle<Self::Item>, Self::Error>

Receive an CRT input bundle.

fn crt_encode_many( &mut self, values: &[u128], modulus: u128, ) -> Result<Vec<CrtBundle<Self::Item>>, Self::Error>

Encode many CRT input bundles.

fn crt_receive_many( &mut self, n: usize, modulus: u128, ) -> Result<Vec<CrtBundle<Self::Item>>, Self::Error>

Receive many CRT input bundles.

fn bin_encode( &mut self, value: u128, nbits: usize, ) -> Result<BinaryBundle<Self::Item>, Self::Error>

Encode a binary input bundle.

fn bin_receive( &mut self, nbits: usize, ) -> Result<BinaryBundle<Self::Item>, Self::Error>

Receive an binary input bundle.

fn bin_encode_many( &mut self, values: &[u128], nbits: usize, ) -> Result<Vec<BinaryBundle<Self::Item>>, Self::Error>

Encode many binary input bundles.

fn bin_receive_many( &mut self, ninputs: usize, nbits: usize, ) -> Result<Vec<BinaryBundle<Self::Item>>, Self::Error>

Receive many binary input bundles.

impl FancyReveal for DepthInformer

fn reveal(&mut self, _x: &Self::Item) -> Result<u16, Self::Error>

Reveal the contents of x to all parties.

fn reveal_many(&mut self, xs: &[Self::Item]) -> Result<Vec<u16>, Self::Error>

Reveal a slice of items to all parties.

fn reveal_bundle( &mut self, x: &Bundle<Self::Item>, ) -> Result<Vec<u16>, Self::Error>

Reveal a bundle to all parties.

fn reveal_many_bundles( &mut self, xs: &[Bundle<Self::Item>], ) -> Result<Vec<Vec<u16>>, Self::Error>

Reveal many bundles to all parties.

fn crt_reveal(&mut self, x: &CrtBundle<Self::Item>) -> Result<u128, Self::Error>

Reveal a CRT bundle to all parties.

fn crt_reveal_many( &mut self, xs: &[CrtBundle<Self::Item>], ) -> Result<Vec<u128>, Self::Error>

Reveal many CRT bundles to all parties.

fn bin_reveal( &mut self, x: &BinaryBundle<Self::Item>, ) -> Result<u128, Self::Error>

Reveal a binary bundle to all parties.

fn bin_reveal_many( &mut self, xs: &[BinaryBundle<Self::Item>], ) -> Result<Vec<u128>, Self::Error>

Reveal many binary bundles to all parties.