UNPKG

asn1-ts

Version:

ASN.1 encoding and decoding, including BER, CER, and DER.

14 lines (13 loc) 439 B
import * as errors from "../errors.mjs"; import { Buffer } from "node:buffer"; export default function decodeUnsignedBigEndianInteger(value) { if (value.length === 0) { return 0; } if (value.length > 4) { throw new errors.ASN1OverflowError(`Number on ${value.length} bytes is too long to decode.`); } const ret = Buffer.alloc(4); ret.set(value, (4 - value.length)); return ret.readUInt32BE(); }