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Change VartimeMultiscalarMul docs to use vartime_

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Henry de Valence 2018-07-16 22:54:45 -07:00
parent e0b7af8957
commit 7bbf7495b0
1 changed files with 6 additions and 5 deletions
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11
src/traits.rs
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@ -106,11 +106,12 @@ pub trait VartimeMultiscalarMul {
/// The type of point being multiplied, e.g., `RistrettoPoint`.
type Point;
/// Given an iterator of (possibly secret) scalars and an iterator of
/// Given an iterator of public scalars and an iterator of
/// public points, compute
/// $$
/// Q = c\_1 P\_1 + \cdots + c\_n P\_n.
/// Q = c\_1 P\_1 + \cdots + c\_n P\_n,
/// $$
/// using variable-time operations.
///
/// It is an error to call this function with two iterators of different lengths.
///
@ -123,7 +124,7 @@ pub trait VartimeMultiscalarMul {
///
/// ```
/// use curve25519_dalek::constants;
/// use curve25519_dalek::traits::MultiscalarMul;
/// use curve25519_dalek::traits::VartimeMultiscalarMul;
/// use curve25519_dalek::ristretto::RistrettoPoint;
/// use curve25519_dalek::scalar::Scalar;
///
@ -139,12 +140,12 @@ pub trait VartimeMultiscalarMul {
///
/// // A1 = a*P + b*Q + c*R
/// let abc = [a,b,c];
/// let A1 = RistrettoPoint::multiscalar_mul(&abc, &[P,Q,R]);
/// let A1 = RistrettoPoint::vartime_multiscalar_mul(&abc, &[P,Q,R]);
/// // Note: (&abc).into_iter(): Iterator<Item=&Scalar>
///
/// // A2 = (-a)*P + (-b)*Q + (-c)*R
/// let minus_abc = abc.iter().map(|x| -x);
/// let A2 = RistrettoPoint::multiscalar_mul(minus_abc, &[P,Q,R]);
/// let A2 = RistrettoPoint::vartime_multiscalar_mul(minus_abc, &[P,Q,R]);
/// // Note: minus_abc.into_iter(): Iterator<Item=Scalar>
///
/// assert_eq!(A1.compress(), (-A2).compress());