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Initial commit to extract crypto-primitives to new crate

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This commit is contained in:
Pratyush Mishra
2019-09-24 20:21:49 -07:00
parent 5a78e24e15
commit a244e719d1
33 changed files with 4746 additions and 1 deletions
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37
r1cs-std/src/bits/mod.rs
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@@ -81,4 +81,41 @@ pub trait ToBytesGadget<ConstraintF: Field> {
) -> Result<Vec<UInt8>, SynthesisError>;
}
impl<ConstraintF: Field> ToBytesGadget<ConstraintF> for [UInt8] {
fn to_bytes<CS: ConstraintSystem<ConstraintF>>(&self, _cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
Ok(self.to_vec())
}
fn to_bytes_strict<CS: ConstraintSystem<ConstraintF>>(
&self,
cs: CS,
) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}
impl<'a, ConstraintF: Field, T: 'a + ToBytesGadget<ConstraintF>> ToBytesGadget<ConstraintF> for &'a T {
fn to_bytes<CS: ConstraintSystem<ConstraintF>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
(*self).to_bytes(cs)
}
fn to_bytes_strict<CS: ConstraintSystem<ConstraintF>>(
&self,
cs: CS,
) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}
impl<'a, ConstraintF: Field> ToBytesGadget<ConstraintF> for &'a [UInt8] {
fn to_bytes<CS: ConstraintSystem<ConstraintF>>(&self, _cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
Ok(self.to_vec())
}
fn to_bytes_strict<CS: ConstraintSystem<ConstraintF>>(
&self,
cs: CS,
) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}