ethers.js/packages/sha2/src.ts/sha2.ts
2020-11-14 17:42:36 -05:00

37 lines
1.2 KiB
TypeScript

"use strict";
import { createHash, createHmac } from "crypto";
import { arrayify, BytesLike } from "@ethersproject/bytes";
import { SupportedAlgorithm } from "./types";
import { Logger } from "@ethersproject/logger";
import { version } from "./_version";
const logger = new Logger(version);
export function ripemd160(data: BytesLike): string {
return "0x" + createHash("ripemd160").update(Buffer.from(arrayify(data))).digest("hex")
}
export function sha256(data: BytesLike): string {
return "0x" + createHash("sha256").update(Buffer.from(arrayify(data))).digest("hex")
}
export function sha512(data: BytesLike): string {
return "0x" + createHash("sha512").update(Buffer.from(arrayify(data))).digest("hex")
}
export function computeHmac(algorithm: SupportedAlgorithm, key: BytesLike, data: BytesLike): string {
/* istanbul ignore if */
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");
}