51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.computeHmac = void 0;
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/**
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* An **HMAC** enables verification that a given key was used
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* to authenticate a payload.
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*
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* See: [[link-wiki-hmac]]
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*
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* @_subsection: api/crypto:HMAC [about-hmac]
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*/
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const crypto_js_1 = require("./crypto.js");
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const index_js_1 = require("../utils/index.js");
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let locked = false;
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const _computeHmac = function (algorithm, key, data) {
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return (0, crypto_js_1.createHmac)(algorithm, key).update(data).digest();
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};
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let __computeHmac = _computeHmac;
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/**
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* Return the HMAC for %%data%% using the %%key%% key with the underlying
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* %%algo%% used for compression.
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*
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* @example:
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* key = id("some-secret")
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*
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* // Compute the HMAC
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* computeHmac("sha256", key, "0x1337")
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* //_result:
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*
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* // To compute the HMAC of UTF-8 data, the data must be
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* // converted to UTF-8 bytes
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* computeHmac("sha256", key, toUtf8Bytes("Hello World"))
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* //_result:
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*
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*/
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function computeHmac(algorithm, _key, _data) {
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const key = (0, index_js_1.getBytes)(_key, "key");
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const data = (0, index_js_1.getBytes)(_data, "data");
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return (0, index_js_1.hexlify)(__computeHmac(algorithm, key, data));
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}
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exports.computeHmac = computeHmac;
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computeHmac._ = _computeHmac;
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computeHmac.lock = function () { locked = true; };
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computeHmac.register = function (func) {
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if (locked) {
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throw new Error("computeHmac is locked");
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}
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__computeHmac = func;
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};
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Object.freeze(computeHmac);
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//# sourceMappingURL=hmac.js.map
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