27 lines
971 B
TypeScript
27 lines
971 B
TypeScript
import { createHmac } from "./crypto.js";
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import { hexlify, logger } from "../utils/index.js";
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import type { BytesLike } from "../utils/index.js";
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let locked = false;
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const _computeHmac = function(algorithm: "sha256" | "sha512", key: Uint8Array, data: Uint8Array): BytesLike {
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return "0x" + createHmac(algorithm, key).update(data).digest("hex");
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}
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let __computeHmac = _computeHmac;
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export function computeHmac(algorithm: "sha256" | "sha512", _key: BytesLike, _data: BytesLike): string {
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const key = logger.getBytes(_key, "key");
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const data = logger.getBytes(_data, "data");
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return hexlify(__computeHmac(algorithm, key, data));
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}
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computeHmac._ = _computeHmac;
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computeHmac.lock = function() { locked = true; }
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computeHmac.register = function(func: (algorithm: "sha256" | "sha512", key: Uint8Array, data: Uint8Array) => BytesLike) {
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if (locked) { throw new Error("computeHmac is locked"); }
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__computeHmac = func;
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}
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Object.freeze(computeHmac);
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