mirror of
https://github.com/cachix/install-nix-action.git
synced 2025-06-08 18:04:29 +00:00
v7
This commit is contained in:
parent
033d472283
commit
49df04613e
6774 changed files with 1602535 additions and 1 deletions
58
node_modules/ecc-jsbn/index.js
generated
vendored
Executable file
58
node_modules/ecc-jsbn/index.js
generated
vendored
Executable file
|
@ -0,0 +1,58 @@
|
|||
var crypto = require("crypto");
|
||||
var BigInteger = require("jsbn").BigInteger;
|
||||
var ECPointFp = require("./lib/ec.js").ECPointFp;
|
||||
var Buffer = require("safer-buffer").Buffer;
|
||||
exports.ECCurves = require("./lib/sec.js");
|
||||
|
||||
// zero prepad
|
||||
function unstupid(hex,len)
|
||||
{
|
||||
return (hex.length >= len) ? hex : unstupid("0"+hex,len);
|
||||
}
|
||||
|
||||
exports.ECKey = function(curve, key, isPublic)
|
||||
{
|
||||
var priv;
|
||||
var c = curve();
|
||||
var n = c.getN();
|
||||
var bytes = Math.floor(n.bitLength()/8);
|
||||
|
||||
if(key)
|
||||
{
|
||||
if(isPublic)
|
||||
{
|
||||
var curve = c.getCurve();
|
||||
// var x = key.slice(1,bytes+1); // skip the 04 for uncompressed format
|
||||
// var y = key.slice(bytes+1);
|
||||
// this.P = new ECPointFp(curve,
|
||||
// curve.fromBigInteger(new BigInteger(x.toString("hex"), 16)),
|
||||
// curve.fromBigInteger(new BigInteger(y.toString("hex"), 16)));
|
||||
this.P = curve.decodePointHex(key.toString("hex"));
|
||||
}else{
|
||||
if(key.length != bytes) return false;
|
||||
priv = new BigInteger(key.toString("hex"), 16);
|
||||
}
|
||||
}else{
|
||||
var n1 = n.subtract(BigInteger.ONE);
|
||||
var r = new BigInteger(crypto.randomBytes(n.bitLength()));
|
||||
priv = r.mod(n1).add(BigInteger.ONE);
|
||||
this.P = c.getG().multiply(priv);
|
||||
}
|
||||
if(this.P)
|
||||
{
|
||||
// var pubhex = unstupid(this.P.getX().toBigInteger().toString(16),bytes*2)+unstupid(this.P.getY().toBigInteger().toString(16),bytes*2);
|
||||
// this.PublicKey = Buffer.from("04"+pubhex,"hex");
|
||||
this.PublicKey = Buffer.from(c.getCurve().encodeCompressedPointHex(this.P),"hex");
|
||||
}
|
||||
if(priv)
|
||||
{
|
||||
this.PrivateKey = Buffer.from(unstupid(priv.toString(16),bytes*2),"hex");
|
||||
this.deriveSharedSecret = function(key)
|
||||
{
|
||||
if(!key || !key.P) return false;
|
||||
var S = key.P.multiply(priv);
|
||||
return Buffer.from(unstupid(S.getX().toBigInteger().toString(16),bytes*2),"hex");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
Loading…
Add table
Add a link
Reference in a new issue