修改后台权限

node_modules/eciesjs/dist/keys/PrivateKey.js

@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.PrivateKey = void 0;
+var utils_1 = require("@noble/ciphers/utils");
+var types_js_1 = require("../types.js");
+var index_js_1 = require("../utils/index.js");
+var PublicKey_js_1 = require("./PublicKey.js");
+var PrivateKey = /** @class */ (function () {
+    function PrivateKey(secret, curve) {
+        this.curve = curve;
+        if (secret === undefined) {
+            this.data = (0, index_js_1.getValidSecret)(curve);
+        }
+        else if ((0, index_js_1.isValidPrivateKey)(secret, curve)) {
+            this.data = secret;
+        }
+        else {
+            throw new Error("Invalid private key");
+        }
+        this.publicKey = new PublicKey_js_1.PublicKey((0, index_js_1.getPublicKey)(this.data, curve), curve);
+    }
+    PrivateKey.fromHex = function (hex, curve) {
+        return new PrivateKey((0, index_js_1.decodeHex)(hex), curve);
+    };
+    Object.defineProperty(PrivateKey.prototype, "secret", {
+        /**
+         * @description
+         * In version 0.4.18, `Buffer` is returned when available, otherwise `Uint8Array`.
+         * From version 0.5.0, `Uint8Array` will be returned instead of `Buffer`.
+         */
+        get: function () {
+            // TODO: Uint8Array only
+            return types_js_1.IS_BUFFER_SUPPORTED ? Buffer.from(this.data) : this.data;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    PrivateKey.prototype.toHex = function () {
+        return (0, utils_1.bytesToHex)(this.data);
+    };
+    /**
+     * Derives a shared secret from ephemeral private key (this) and receiver's public key (pk).
+     * @description The shared key is 32 bytes, derived with `HKDF-SHA256(senderPoint || sharedPoint)`. See implementation for details.
+     *
+     * There are some variations in different ECIES implementations:
+     * which key derivation function to use, compressed or uncompressed `senderPoint`/`sharedPoint`, whether to include `senderPoint`, etc.
+     *
+     * Because the entropy of `senderPoint`, `sharedPoint` is enough high[1], we don't need salt to derive keys.
+     *
+     * [1]: Two reasons: the public keys are "random" bytes (albeit secp256k1 public keys are **not uniformly** random), and ephemeral keys are generated in every encryption.
+     *
+     * @param pk - Receiver's public key.
+     * @param compressed - (default: `false`) Whether to use compressed or uncompressed public keys in the key derivation (secp256k1 only).
+     * @returns Shared secret, derived with HKDF-SHA256.
+     */
+    PrivateKey.prototype.encapsulate = function (pk, compressed) {
+        if (compressed === void 0) { compressed = false; }
+        var senderPoint = this.publicKey.toBytes(compressed);
+        var sharedPoint = this.multiply(pk, compressed);
+        return (0, index_js_1.getSharedKey)(senderPoint, sharedPoint);
+    };
+    PrivateKey.prototype.multiply = function (pk, compressed) {
+        if (compressed === void 0) { compressed = false; }
+        return (0, index_js_1.getSharedPoint)(this.data, pk.toBytes(true), compressed, this.curve);
+    };
+    PrivateKey.prototype.equals = function (other) {
+        return (0, utils_1.equalBytes)(this.data, other.data);
+    };
+    return PrivateKey;
+}());
+exports.PrivateKey = PrivateKey;