text: "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));
          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;
  //# sourceMappingURL=index.js.map