@subsocial/utils/nacl/seal.js

JavaScript utils for Subsocial blockchain.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.naclSeal = void 0;
const tweetnacl_1 = __importDefault(require("tweetnacl"));
const util_crypto_1 = require("@polkadot/util-crypto");
/**
 * @name naclSeal
 * @summary Seals a message using the sender's encrypting secretKey, receiver's public key, and nonce
 * @description
 * Returns an encrypted message which can be open only by receiver's secretKey. If the `nonce` was not supplied, a random value is generated.
 * @example
 * <BR>
 *
 * ```javascript
 * import { naclSeal } from '@subsocial/utils';
 *
 * naclSeal([...], [...], [...], [...]); // => [...]
 * ```
 */
function naclSeal(message, senderBoxSecret, receiverBoxPublic, nonce = (0, util_crypto_1.randomAsU8a)(24)) {
    return {
        nonce,
        sealed: tweetnacl_1.default.box(message, nonce, receiverBoxPublic, senderBoxSecret)
    };
}
exports.naclSeal = naclSeal;