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,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
 
fn borrow_mut(&mut self) -> &mut T
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,
fn fmt_binary(self) -> FmtBinary<Self>where
    Self: Binary,
Causes 
self to use its Binary implementation when Debug-formatted.fn fmt_display(self) -> FmtDisplay<Self>where
    Self: Display,
fn fmt_display(self) -> FmtDisplay<Self>where
    Self: Display,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
    Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
    Self: LowerExp,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
    Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
    Self: LowerHex,
fn fmt_octal(self) -> FmtOctal<Self>where
    Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self>where
    Self: Octal,
Causes 
self to use its Octal implementation when Debug-formatted.fn fmt_pointer(self) -> FmtPointer<Self>where
    Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self>where
    Self: Pointer,
fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
    Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
    Self: UpperExp,
fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
    Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
    Self: UpperHex,
fn fmt_list(self) -> FmtList<Self>where
    &'a Self: for<'a> IntoIterator,
fn fmt_list(self) -> FmtList<Self>where
    &'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
impl<T> Pipe for Twhere
    T: ?Sized,
impl<T> Pipe for Twhere
    T: ?Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
Pipes by value. This is generally the method you want to use. Read more
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
    R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
    R: 'a,
Borrows 
self and passes that borrow into the pipe function. Read morefn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
    R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
    R: 'a,
Mutably borrows 
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    Self: Borrow<B>,
    B: 'a + ?Sized,
    R: 'a,
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    Self: Borrow<B>,
    B: 'a + ?Sized,
    R: 'a,
fn pipe_borrow_mut<'a, B, R>(
    &'a mut self,
    func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
    Self: BorrowMut<B>,
    B: 'a + ?Sized,
    R: 'a,
fn pipe_borrow_mut<'a, B, R>(
    &'a mut self,
    func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
    Self: BorrowMut<B>,
    B: 'a + ?Sized,
    R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
    Self: AsRef<U>,
    U: 'a + ?Sized,
    R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
    Self: AsRef<U>,
    U: 'a + ?Sized,
    R: 'a,
Borrows 
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    Self: AsMut<U>,
    U: 'a + ?Sized,
    R: 'a,
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    Self: AsMut<U>,
    U: 'a + ?Sized,
    R: 'a,
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere
    Self: Deref<Target = T>,
    T: 'a + ?Sized,
    R: 'a,
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    Self: Deref<Target = T>,
    T: 'a + ?Sized,
    R: 'a,
Borrows 
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    Self: Borrow<B>,
    B: ?Sized,
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    B: ?Sized,
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    Self: BorrowMut<B>,
    B: ?Sized,
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    Self: BorrowMut<B>,
    B: ?Sized,
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    Self: AsRef<R>,
    R: ?Sized,
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    R: ?Sized,
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    T: ?Sized,
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    Self: DerefMut<Target = T> + Deref,
    T: ?Sized,
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    T: ?Sized,
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builds. Read morefn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere
    Self: Borrow<B>,
    B: ?Sized,
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    Self: Borrow<B>,
    B: ?Sized,
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builds. Read morefn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
    Self: BorrowMut<B>,
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builds. Read morefn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
    Self: AsRef<R>,
    R: ?Sized,
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    R: ?Sized,
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builds. Read morefn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
    Self: AsMut<R>,
    R: ?Sized,
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    Self: AsMut<R>,
    R: ?Sized,
Calls 
.tap_ref_mut() only in debug builds, and is erased in release
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