LBRYCommunity/bitcoinjs-lib
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge pull request #130 from dcousens/eccurverename

Browse source 
Renames ecparams to curve to avoid confusion
This commit is contained in:
Wei Lu 2014-04-16 19:53:39 +08:00
commit ed28c6adcf
1 changed files with 5 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/jsbn/ec.js
View file

@ -335,7 +335,7 @@ ECPointFp.prototype.getEncoded = function (compressed) {
return enc; return enc;
}; };
ECPointFp.decodeFrom = function (ecparams, enc) { ECPointFp.decodeFrom = function (curve, enc) {
var type = enc[0]; var type = enc[0];
var dataLen = enc.length-1; var dataLen = enc.length-1;
@ -349,7 +349,7 @@ ECPointFp.decodeFrom = function (ecparams, enc) {
else { else {
var xBa = enc.slice(1), var xBa = enc.slice(1),
x = BigInteger.fromByteArrayUnsigned(xBa), x = BigInteger.fromByteArrayUnsigned(xBa),
p = ecparams.getQ(), p = curve.getQ(),
xCubedPlus7 = x.multiply(x).multiply(x).add(new BigInteger('7')).mod(p), xCubedPlus7 = x.multiply(x).multiply(x).add(new BigInteger('7')).mod(p),
pPlus1Over4 = p.add(new BigInteger('1')) pPlus1Over4 = p.add(new BigInteger('1'))
.divide(new BigInteger('4')), .divide(new BigInteger('4')),
@ -359,14 +359,9 @@ ECPointFp.decodeFrom = function (ecparams, enc) {
} }
} }
// Prepend zero byte to prevent interpretation as negative integer return new ECPointFp(curve,
curve.fromBigInteger(x),
// Convert to BigIntegers curve.fromBigInteger(y));
// Return point
return new ECPointFp(ecparams,
ecparams.fromBigInteger(x),
ecparams.fromBigInteger(y));
}; };
ECPointFp.prototype.add2D = function (b) { ECPointFp.prototype.add2D = function (b) {