ethers.js/packages/sha2/lib.esm/index.js
2020-01-20 19:43:50 -05:00

31 lines
1.2 KiB
JavaScript

"use strict";
import { createHash, createHmac } from 'crypto';
import { arrayify } from '@ethersproject/bytes';
import { Logger } from "@ethersproject/logger";
import { version } from "./_version";
const logger = new Logger(version);
export var SupportedAlgorithm;
(function (SupportedAlgorithm) {
SupportedAlgorithm["sha256"] = "sha256";
SupportedAlgorithm["sha512"] = "sha512";
})(SupportedAlgorithm || (SupportedAlgorithm = {}));
;
export function ripemd160(data) {
return "0x" + createHash("ripemd160").update(Buffer.from(arrayify(data))).digest("hex");
}
export function sha256(data) {
return "0x" + createHash("sha256").update(Buffer.from(arrayify(data))).digest("hex");
}
export function sha512(data) {
return "0x" + createHash("sha512").update(Buffer.from(arrayify(data))).digest("hex");
}
export function computeHmac(algorithm, key, data) {
if (!SupportedAlgorithm[algorithm]) {
logger.throwError("unsupported algorithm - " + algorithm, Logger.errors.UNSUPPORTED_OPERATION, {
operation: "computeHmac",
algorithm: algorithm
});
}
return "0x" + createHmac(algorithm, Buffer.from(arrayify(key))).update(Buffer.from(arrayify(data))).digest("hex");
}