2019-08-25 09:39:20 +03:00
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"use strict";
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import * as hash from "hash.js";
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import { arrayify } from "@ethersproject/bytes";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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2020-01-21 03:43:50 +03:00
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export var SupportedAlgorithm;
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(function (SupportedAlgorithm) {
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SupportedAlgorithm["sha256"] = "sha256";
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SupportedAlgorithm["sha512"] = "sha512";
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})(SupportedAlgorithm || (SupportedAlgorithm = {}));
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2019-08-25 09:39:20 +03:00
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;
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export function ripemd160(data) {
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return "0x" + (hash.ripemd160().update(arrayify(data)).digest("hex"));
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}
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export function sha256(data) {
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return "0x" + (hash.sha256().update(arrayify(data)).digest("hex"));
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}
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export function sha512(data) {
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return "0x" + (hash.sha512().update(arrayify(data)).digest("hex"));
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}
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export function computeHmac(algorithm, key, data) {
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2020-01-21 03:43:50 +03:00
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if (!SupportedAlgorithm[algorithm]) {
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2019-08-25 09:39:20 +03:00
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logger.throwError("unsupported algorithm " + algorithm, Logger.errors.UNSUPPORTED_OPERATION, {
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operation: "hmac",
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algorithm: algorithm
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});
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}
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return "0x" + hash.hmac(hash[algorithm], arrayify(key)).update(arrayify(data)).digest("hex");
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}
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