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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/avalanche/node_modules/@ethersproject/signing-key/lib
Просмотр файла: index.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.computePublicKey = exports.recoverPublicKey = exports.SigningKey = void 0;
var elliptic_1 = require("./elliptic");
var bytes_1 = require("@ethersproject/bytes");
var properties_1 = require("@ethersproject/properties");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
var _curve = null;
function getCurve() {
if (!_curve) {
_curve = new elliptic_1.EC("secp256k1");
}
return _curve;
}
var SigningKey = /** @class */ (function () {
function SigningKey(privateKey) {
(0, properties_1.defineReadOnly)(this, "curve", "secp256k1");
(0, properties_1.defineReadOnly)(this, "privateKey", (0, bytes_1.hexlify)(privateKey));
if ((0, bytes_1.hexDataLength)(this.privateKey) !== 32) {
logger.throwArgumentError("invalid private key", "privateKey", "[[ REDACTED ]]");
}
var keyPair = getCurve().keyFromPrivate((0, bytes_1.arrayify)(this.privateKey));
(0, properties_1.defineReadOnly)(this, "publicKey", "0x" + keyPair.getPublic(false, "hex"));
(0, properties_1.defineReadOnly)(this, "compressedPublicKey", "0x" + keyPair.getPublic(true, "hex"));
(0, properties_1.defineReadOnly)(this, "_isSigningKey", true);
}
SigningKey.prototype._addPoint = function (other) {
var p0 = getCurve().keyFromPublic((0, bytes_1.arrayify)(this.publicKey));
var p1 = getCurve().keyFromPublic((0, bytes_1.arrayify)(other));
return "0x" + p0.pub.add(p1.pub).encodeCompressed("hex");
};
SigningKey.prototype.signDigest = function (digest) {
var keyPair = getCurve().keyFromPrivate((0, bytes_1.arrayify)(this.privateKey));
var digestBytes = (0, bytes_1.arrayify)(digest);
if (digestBytes.length !== 32) {
logger.throwArgumentError("bad digest length", "digest", digest);
}
var signature = keyPair.sign(digestBytes, { canonical: true });
return (0, bytes_1.splitSignature)({
recoveryParam: signature.recoveryParam,
r: (0, bytes_1.hexZeroPad)("0x" + signature.r.toString(16), 32),
s: (0, bytes_1.hexZeroPad)("0x" + signature.s.toString(16), 32),
});
};
SigningKey.prototype.computeSharedSecret = function (otherKey) {
var keyPair = getCurve().keyFromPrivate((0, bytes_1.arrayify)(this.privateKey));
var otherKeyPair = getCurve().keyFromPublic((0, bytes_1.arrayify)(computePublicKey(otherKey)));
return (0, bytes_1.hexZeroPad)("0x" + keyPair.derive(otherKeyPair.getPublic()).toString(16), 32);
};
SigningKey.isSigningKey = function (value) {
return !!(value && value._isSigningKey);
};
return SigningKey;
}());
exports.SigningKey = SigningKey;
function recoverPublicKey(digest, signature) {
var sig = (0, bytes_1.splitSignature)(signature);
var rs = { r: (0, bytes_1.arrayify)(sig.r), s: (0, bytes_1.arrayify)(sig.s) };
return "0x" + getCurve().recoverPubKey((0, bytes_1.arrayify)(digest), rs, sig.recoveryParam).encode("hex", false);
}
exports.recoverPublicKey = recoverPublicKey;
function computePublicKey(key, compressed) {
var bytes = (0, bytes_1.arrayify)(key);
if (bytes.length === 32) {
var signingKey = new SigningKey(bytes);
if (compressed) {
return "0x" + getCurve().keyFromPrivate(bytes).getPublic(true, "hex");
}
return signingKey.publicKey;
}
else if (bytes.length === 33) {
if (compressed) {
return (0, bytes_1.hexlify)(bytes);
}
return "0x" + getCurve().keyFromPublic(bytes).getPublic(false, "hex");
}
else if (bytes.length === 65) {
if (!compressed) {
return (0, bytes_1.hexlify)(bytes);
}
return "0x" + getCurve().keyFromPublic(bytes).getPublic(true, "hex");
}
return logger.throwArgumentError("invalid public or private key", "key", "[REDACTED]");
}
exports.computePublicKey = computePublicKey;
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