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Update vendor dependencies

This commit is contained in:
Frédéric Guillot 2018-07-06 21:18:14 -07:00
parent 34a3fe426b
commit 459bb4531f
747 changed files with 89857 additions and 39711 deletions

View file

@ -245,10 +245,19 @@ func (c *curvePoint) Mul(a *curvePoint, scalar *big.Int, pool *bnPool) *curvePoi
return c
}
// MakeAffine converts c to affine form and returns c. If c is ∞, then it sets
// c to 0 : 1 : 0.
func (c *curvePoint) MakeAffine(pool *bnPool) *curvePoint {
if words := c.z.Bits(); len(words) == 1 && words[0] == 1 {
return c
}
if c.IsInfinity() {
c.x.SetInt64(0)
c.y.SetInt64(1)
c.z.SetInt64(0)
c.t.SetInt64(0)
return c
}
zInv := pool.Get().ModInverse(c.z, p)
t := pool.Get().Mul(c.y, zInv)