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JavaScript generic ASN.1 parser (mirror)
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asn1js testDefs.js
1.2 kB · 32 lines
JavaScript
at github-104
123456789101112131415161718192021222324252627282930313233#!/usr/bin/env node
import { promises as fs } from 'node:fs';import { ASN1 } from './asn1.js';import { Base64 } from './base64.js';import { Defs } from './defs.js';
const tot = [];for await (const file of await fs.opendir('examples')) { let content = await fs.readFile('examples/' + file.name); try { try { // try PEM first content = Base64.unarmor(content); } catch (ignore) { // try DER/BER then } let result = ASN1.decode(content); content = null; const types = Defs.commonTypes .map(type => { const stats = Defs.match(result, type); return { type, match: stats.recognized / stats.total }; }) .sort((a, b) => b.match - a.match); tot.push([ types[0].match, file.name, types[0].type.description ]); } catch (e) { tot.push([ 0, file.name, e.message ]); }}for (const f of tot) console.log(f[0].toFixed(3) + '\t' + f[1] + '\t' + f[2]);const avg = tot.map(f => f[0]).reduce((sum, val) => sum + val) / tot.length;console.log('\x1B[1m\x1B[32m' + (avg * 100).toFixed(3) + '\x1B[39m\x1B[22m%\tAVERAGE');