ecdsa: comment cleanup

This commit is contained in:
Daniel Cousens 2014-05-17 12:04:32 +10:00
parent 0865f09d20
commit 7d89ff427c

View file

@ -75,7 +75,7 @@ var ecdsa = {
var N_OVER_TWO = n.divide(BigInteger.valueOf(2)) var N_OVER_TWO = n.divide(BigInteger.valueOf(2))
// Make 's' value 'low' as per bip62 // enforce low S values, see bip62: 'low s values in signatures'
if (s.compareTo(N_OVER_TWO) > 0) { if (s.compareTo(N_OVER_TWO) > 0) {
s = n.subtract(s) s = n.subtract(s)
} }
@ -122,7 +122,6 @@ var ecdsa = {
} }
var c = s.modInverse(n) var c = s.modInverse(n)
var u1 = e.multiply(c).mod(n) var u1 = e.multiply(c).mod(n)
var u2 = r.multiply(c).mod(n) var u2 = r.multiply(c).mod(n)
@ -271,7 +270,7 @@ var ecdsa = {
// otherwise we're done and y == beta. // otherwise we're done and y == beta.
var y = (beta.isEven() ^ isYEven) ? p.subtract(beta) : beta var y = (beta.isEven() ^ isYEven) ? p.subtract(beta) : beta
// 1.4 Check that nR is at infinity // 1.4 Check that nR isn't at infinity
var R = new ECPointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y)) var R = new ECPointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y))
R.validate() R.validate()