Struct fancy_garbling::Evaluator
source · [−]pub struct Evaluator<C, Wire> { /* private fields */ }
Expand description
Streaming evaluator using a callback to receive ciphertexts as needed.
Evaluates a garbled circuit on the fly, using messages containing ciphertexts and wires. Parallelizable.
Implementations
Trait Implementations
sourceimpl<C: AbstractChannel, Wire: WireLabel> Fancy for Evaluator<C, Wire>
impl<C: AbstractChannel, Wire: WireLabel> Fancy for Evaluator<C, Wire>
type Item = Wire
type Item = Wire
The underlying wire datatype created by an object implementing
Fancy
.type Error = EvaluatorError
type Error = EvaluatorError
Errors which may be thrown by the users of Fancy.
sourcefn constant(&mut self, _: u16, q: u16) -> Result<Wire, EvaluatorError>
fn constant(&mut self, _: u16, q: u16) -> Result<Wire, EvaluatorError>
Create a constant
x
with modulus q
.sourceimpl<C: AbstractChannel, Wire: WireLabel + ArithmeticWire> FancyArithmetic for Evaluator<C, Wire>
impl<C: AbstractChannel, Wire: WireLabel + ArithmeticWire> FancyArithmetic for Evaluator<C, Wire>
sourcefn cmul(&mut self, x: &Wire, c: u16) -> Result<Wire, EvaluatorError>
fn cmul(&mut self, x: &Wire, c: u16) -> Result<Wire, EvaluatorError>
Multiply
x
times the constant c
.sourceimpl<C: AbstractChannel> FancyBinary for Evaluator<C, AllWire>
impl<C: AbstractChannel> FancyBinary for Evaluator<C, AllWire>
sourcefn negate(&mut self, x: &Self::Item) -> Result<Self::Item, Self::Error>
fn negate(&mut self, x: &Self::Item) -> Result<Self::Item, Self::Error>
Overriding negate
to be a noop: entirely handled on garbler’s end
sourcefn xor(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
fn xor(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
Binary Xor
sourcefn and(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
fn and(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
Binary And
sourcefn or(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
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.
sourcefn adder(
&mut self,
x: &Self::Item,
y: &Self::Item,
carry_in: Option<&Self::Item>
) -> Result<(Self::Item, Self::Item), Self::Error>
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.
sourcefn and_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
fn and_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
Returns 1 if all wires equal 1.
sourcefn or_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
fn or_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
Returns 1 if any wire equals 1.
sourcefn xor_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
fn xor_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
XOR many wires together
sourceimpl<C: AbstractChannel> FancyBinary for Evaluator<C, WireMod2>
impl<C: AbstractChannel> FancyBinary for Evaluator<C, WireMod2>
sourcefn negate(&mut self, x: &Self::Item) -> Result<Self::Item, Self::Error>
fn negate(&mut self, x: &Self::Item) -> Result<Self::Item, Self::Error>
Negate is a noop for the evaluator
sourcefn xor(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
fn xor(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
Binary Xor
sourcefn and(
&mut self,
A: &Self::Item,
B: &Self::Item
) -> Result<Self::Item, Self::Error>
fn and(
&mut self,
A: &Self::Item,
B: &Self::Item
) -> Result<Self::Item, Self::Error>
Binary And
sourcefn or(
&mut self,
x: &Self::Item,
y: &Self::Item
) -> Result<Self::Item, Self::Error>
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.
sourcefn adder(
&mut self,
x: &Self::Item,
y: &Self::Item,
carry_in: Option<&Self::Item>
) -> Result<(Self::Item, Self::Item), Self::Error>
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.
sourcefn and_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
fn and_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
Returns 1 if all wires equal 1.
sourcefn or_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
fn or_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
Returns 1 if any wire equals 1.
sourcefn xor_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
fn xor_many(&mut self, args: &[Self::Item]) -> Result<Self::Item, Self::Error>
XOR many wires together
sourceimpl<C: AbstractChannel, Wire: WireLabel> FancyReveal for Evaluator<C, Wire>
impl<C: AbstractChannel, Wire: WireLabel> FancyReveal for Evaluator<C, Wire>
sourcefn reveal(&mut self, x: &Wire) -> Result<u16, EvaluatorError>
fn reveal(&mut self, x: &Wire) -> Result<u16, EvaluatorError>
Reveal the contents of
x
to all parties.sourcefn reveal_many(&mut self, xs: &[Self::Item]) -> Result<Vec<u16>, Self::Error>
fn reveal_many(&mut self, xs: &[Self::Item]) -> Result<Vec<u16>, Self::Error>
Reveal a slice of items to all parties.
sourcefn reveal_bundle(
&mut self,
x: &Bundle<Self::Item>
) -> Result<Vec<u16>, Self::Error>
fn reveal_bundle(
&mut self,
x: &Bundle<Self::Item>
) -> Result<Vec<u16>, Self::Error>
Reveal a bundle to all parties.
sourcefn reveal_many_bundles(
&mut self,
xs: &[Bundle<Self::Item>]
) -> Result<Vec<Vec<u16>>, Self::Error>
fn reveal_many_bundles(
&mut self,
xs: &[Bundle<Self::Item>]
) -> Result<Vec<Vec<u16>>, Self::Error>
Reveal many bundles to all parties.
sourcefn crt_reveal(&mut self, x: &CrtBundle<Self::Item>) -> Result<u128, Self::Error>
fn crt_reveal(&mut self, x: &CrtBundle<Self::Item>) -> Result<u128, Self::Error>
Reveal a CRT bundle to all parties.
sourcefn crt_reveal_many(
&mut self,
xs: &[CrtBundle<Self::Item>]
) -> Result<Vec<u128>, Self::Error>
fn crt_reveal_many(
&mut self,
xs: &[CrtBundle<Self::Item>]
) -> Result<Vec<u128>, Self::Error>
Reveal many CRT bundles to all parties.
sourcefn bin_reveal(
&mut self,
x: &BinaryBundle<Self::Item>
) -> Result<u128, Self::Error>
fn bin_reveal(
&mut self,
x: &BinaryBundle<Self::Item>
) -> Result<u128, Self::Error>
Reveal a binary bundle to all parties.
sourcefn bin_reveal_many(
&mut self,
xs: &[BinaryBundle<Self::Item>]
) -> Result<Vec<u128>, Self::Error>
fn bin_reveal_many(
&mut self,
xs: &[BinaryBundle<Self::Item>]
) -> Result<Vec<u128>, Self::Error>
Reveal many binary bundles to all parties.
Auto Trait Implementations
impl<C, Wire> RefUnwindSafe for Evaluator<C, Wire>where
C: RefUnwindSafe,
Wire: RefUnwindSafe,
impl<C, Wire> Send for Evaluator<C, Wire>where
C: Send,
Wire: Send,
impl<C, Wire> Sync for Evaluator<C, Wire>where
C: Sync,
Wire: Sync,
impl<C, Wire> Unpin for Evaluator<C, Wire>where
C: Unpin,
Wire: Unpin,
impl<C, Wire> UnwindSafe for Evaluator<C, Wire>where
C: UnwindSafe,
Wire: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
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Mutably borrows from an owned value. Read more
impl<T> FmtForward for T
impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
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Self: Binary,
Causes
self
to use its Binary
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-formatted.fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self>where
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
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