"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.utils = exports.PublicKey = exports.PrivateKey = exports.ECIES_CONFIG = void 0; exports.encrypt = encrypt; exports.decrypt = decrypt; var utils_1 = require("@noble/ciphers/utils"); var config_1 = require("./config"); var keys_1 = require("./keys"); var utils_2 = require("./utils"); /** * Encrypts data with a receiver's public key. * @description From version 0.5.0, `Uint8Array` will be returned instead of `Buffer`. * To keep the same behavior, use `Buffer.from(encrypt(...))`. * * @param receiverRawPK - Raw public key of the receiver, either as a hex `string` or a `Uint8Array`. * @param data - Data to encrypt. * @returns Encrypted payload, format: `public key || encrypted`. */ function encrypt(receiverRawPK, data) { return Buffer.from(_encrypt(receiverRawPK, data)); } function _encrypt(receiverRawPK, data) { var curve = (0, config_1.ellipticCurve)(); var ephemeralSK = new keys_1.PrivateKey(undefined, curve); var receiverPK = receiverRawPK instanceof Uint8Array ? new keys_1.PublicKey(receiverRawPK, curve) : keys_1.PublicKey.fromHex(receiverRawPK, curve); var sharedKey = ephemeralSK.encapsulate(receiverPK, (0, config_1.isHkdfKeyCompressed)()); var ephemeralPK = ephemeralSK.publicKey.toBytes((0, config_1.isEphemeralKeyCompressed)()); var encrypted = (0, utils_2.symEncrypt)(sharedKey, data); return (0, utils_1.concatBytes)(ephemeralPK, encrypted); } /** * Decrypts data with a receiver's private key. * @description From version 0.5.0, `Uint8Array` will be returned instead of `Buffer`. * To keep the same behavior, use `Buffer.from(decrypt(...))`. * * @param receiverRawSK - Raw private key of the receiver, either as a hex `string` or a `Uint8Array`. * @param data - Data to decrypt. * @returns Decrypted plain text. */ function decrypt(receiverRawSK, data) { return Buffer.from(_decrypt(receiverRawSK, data)); } function _decrypt(receiverRawSK, data) { var curve = (0, config_1.ellipticCurve)(); var receiverSK = receiverRawSK instanceof Uint8Array ? new keys_1.PrivateKey(receiverRawSK, curve) : keys_1.PrivateKey.fromHex(receiverRawSK, curve); var keySize = (0, config_1.ephemeralKeySize)(); var ephemeralPK = new keys_1.PublicKey(data.subarray(0, keySize), curve); var encrypted = data.subarray(keySize); var sharedKey = ephemeralPK.decapsulate(receiverSK, (0, config_1.isHkdfKeyCompressed)()); return (0, utils_2.symDecrypt)(sharedKey, encrypted); } var config_2 = require("./config"); Object.defineProperty(exports, "ECIES_CONFIG", { enumerable: true, get: function () { return config_2.ECIES_CONFIG; } }); var keys_2 = require("./keys"); Object.defineProperty(exports, "PrivateKey", { enumerable: true, get: function () { return keys_2.PrivateKey; } }); Object.defineProperty(exports, "PublicKey", { enumerable: true, get: function () { return keys_2.PublicKey; } }); /** @deprecated - use `import utils from "eciesjs/utils"` instead. */ exports.utils = { // TODO: remove these after 0.5.0 aesEncrypt: utils_2.aesEncrypt, aesDecrypt: utils_2.aesDecrypt, symEncrypt: utils_2.symEncrypt, symDecrypt: utils_2.symDecrypt, decodeHex: utils_2.decodeHex, getValidSecret: utils_2.getValidSecret, remove0x: utils_2.remove0x, };