36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
|
"use strict";
|
||
|
|
|
||
|
|
import { createHash, createHmac } from 'crypto';
|
||
|
|
|
||
|
|
import { arrayify, BytesLike } from '@ethersproject/bytes';
|
||
|
|
import * as errors from '@ethersproject/errors';
|
||
|
|
|
||
|
|
|
||
|
|
export enum SupportedAlgorithms { sha256 = "sha256", sha512 = "sha512" };
|
||
|
|
|
||
|
|
|
||
|
|
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: SupportedAlgorithms, key: BytesLike, data: BytesLike): string {
|
||
|
|
if (!SupportedAlgorithms[algorithm]) {
|
||
|
|
errors.throwError("unsupported algorithm - " + algorithm, errors.UNSUPPORTED_OPERATION, {
|
||
|
|
operation: "computeHmac",
|
||
|
|
algorithm: algorithm
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
return "0x" + createHmac(algorithm, Buffer.from(arrayify(key))).update(Buffer.from(arrayify(data))).digest("hex");
|
||
|
|
}
|
||
|
|
|