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Tidy Mlsag
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@@ -1,5 +1,3 @@
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#![allow(non_snake_case)]
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use core::fmt::Debug;
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use std_shims::io::{self, Read, Write};
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@@ -52,11 +50,13 @@ impl BorromeanSignatures {
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for i in 0 .. 64 {
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// TODO: These aren't the correct reduction
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// TODO: Can either of these be tightened?
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#[allow(non_snake_case)]
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let LL = EdwardsPoint::vartime_double_scalar_mul_basepoint(
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&Scalar::from_bytes_mod_order(self.ee),
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&keys_a[i],
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&Scalar::from_bytes_mod_order(self.s0[i]),
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);
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#[allow(non_snake_case)]
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let LV = EdwardsPoint::vartime_double_scalar_mul_basepoint(
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&hash_to_scalar(LL.compress().as_bytes()),
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&keys_b[i],
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@@ -74,19 +74,19 @@ impl BorromeanSignatures {
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/// A range proof premised on Borromean ring signatures.
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#[derive(Clone, PartialEq, Eq, Debug)]
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pub struct BorromeanRange {
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pub sig: BorromeanSignatures,
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pub sigs: BorromeanSignatures,
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pub bit_commitments: [EdwardsPoint; 64],
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}
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impl BorromeanRange {
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pub fn read<R: Read>(r: &mut R) -> io::Result<BorromeanRange> {
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Ok(BorromeanRange {
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sig: BorromeanSignatures::read(r)?,
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sigs: BorromeanSignatures::read(r)?,
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bit_commitments: read_array(read_point, r)?,
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})
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}
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pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
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self.sig.write(w)?;
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self.sigs.write(w)?;
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write_raw_vec(write_point, &self.bit_commitments, w)
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}
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@@ -96,12 +96,13 @@ impl BorromeanRange {
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return false;
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}
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#[allow(non_snake_case)]
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let H_pow_2 = H_pow_2();
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let mut commitments_sub_one = [EdwardsPoint::identity(); 64];
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for i in 0 .. 64 {
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commitments_sub_one[i] = self.bit_commitments[i] - H_pow_2[i];
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}
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self.sig.verify(&self.bit_commitments, &commitments_sub_one)
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self.sigs.verify(&self.bit_commitments, &commitments_sub_one)
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}
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}
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