@n3okill/utils
Version:
Many javascript helpers
40 lines • 1.72 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.hashData = hashData;
const NodeCrypto = __importStar(require("crypto"));
/**
* Prefixes data with a keyed hash value so that it can later be detected if it is tampered.
* @param data Data to be protected
* @param key Secret key to be used for generating hash
* @param algorithm Hashing algorithm (e.g. "md5", "sha1", "sha256", etc.)
* @return Data prefixed with the keyed hash
* @see validateData()
*/
function hashData(data, key, algorithm = "sha256") {
const hash = NodeCrypto.createHmac(algorithm, key).update(data).digest("base64");
return hash + data;
}
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