39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
"use strict";
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import { createHash, createHmac } from 'crypto';
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import { arrayify, BytesLike } 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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export enum SupportedAlgorithm { sha256 = "sha256", sha512 = "sha512" };
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export function ripemd160(data: BytesLike): string {
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return "0x" + createHash("ripemd160").update(Buffer.from(arrayify(data))).digest("hex")
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}
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export function sha256(data: BytesLike): string {
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return "0x" + createHash("sha256").update(Buffer.from(arrayify(data))).digest("hex")
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}
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export function sha512(data: BytesLike): string {
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return "0x" + createHash("sha512").update(Buffer.from(arrayify(data))).digest("hex")
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}
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export function computeHmac(algorithm: SupportedAlgorithm, key: BytesLike, data: BytesLike): string {
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/* istanbul ignore if */
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if (!SupportedAlgorithm[algorithm]) {
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logger.throwError("unsupported algorithm - " + algorithm, Logger.errors.UNSUPPORTED_OPERATION, {
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operation: "computeHmac",
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algorithm: algorithm
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});
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}
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return "0x" + createHmac(algorithm, Buffer.from(arrayify(key))).update(Buffer.from(arrayify(data))).digest("hex");
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}
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