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@ -24,7 +24,10 @@ class BOSkrypt {
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const ivWithTimestampPadded = Buffer.concat([ ivWithTimestamp, ivPadBuffer ])
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const uncPayloadHash = Buffer.from(crypto.createHash("sha1").update(payload).digest('hex').substring(0,10), 'hex') // first 40bits. 2*40/8
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let preparedPayload = "ENCR" + payload + '\x00'.repeat(count) // random null-fill
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let preparedPayload = "ENCR" + payload + '\x00'.repeat(
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payload.length < 20
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? randomIntInc(0,10)
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: 0) // random null-fill
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let compressedPreparedPayload = preparedPayload.split('').map(x => { //foreach char run this
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return x.charCodeAt(0) //get byte
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@ -59,88 +62,4 @@ class BOSkrypt {
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return encrpytedIncludingIVandSHA1Checksum.toString('base64')
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}
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}
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/*
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const TEST_KEY = 'a568af91f233d50331142112e8a4dd457ff0aef8d79bfd9f50e338eec662160a'.toLowerCase()
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const key = Buffer.from(TEST_KEY, 'hex')
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const keyIndex = 0x16
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const iv = Buffer.from([keyIndex, 0xFB, 0x7A])
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console.log(iv)
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const UNIXNOW = Math.floor(new Date().valueOf()/1e3)
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// 1. Januar 2014 00:00:00 UTC
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const timestamp = (UNIXNOW - 1388534400).toString(16).padStart(2*4, '0')
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console.log('TS=', timestamp)
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const ivPadBuffer = Buffer.from("00".repeat(8), 'hex')
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const _ivWithTimestamp = Buffer.from(timestamp + iv.toString('hex'), 'hex')
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const _iv56bitCRC = crc.crc8(_ivWithTimestamp)
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const ivWithTimestamp = Buffer.concat([
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_ivWithTimestamp,
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_iv56bitCRC
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])
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const ivWithTimestampPadded = Buffer.concat([ ivWithTimestamp, ivPadBuffer ])
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// right hash
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const uncPayload = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_Test_BOSKrypt_123"
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console.log(uncPayload.length)
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const uncPayloadHash = Buffer.from(crypto.createHash("sha1").update(uncPayload).digest('hex').substring(0,10), 'hex') // first 40bits. 2*40/8
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let preparedPayload = "ENCR" + uncPayload + getNullBytes(2) // random null-fill
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let compressedPreparedPayload = preparedPayload.split('').map(x => { //foreach char run this
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return x.charCodeAt(0) //get byte
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.toString(2) // to base2/bcd/"binary"
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.padStart(8, '0') // pad to 8 digits (dec4 = 100 => 00000100)
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.split('') // to array
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.reverse() // reverse
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.join('') // back to string
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.substring(0, 7) //take first 7 chars
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}).join('') //join to one complete string
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let compressedPayload = []
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for (let i=0;i<compressedPreparedPayload.length;i+=8) {
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let byte = parseInt(
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compressedPreparedPayload
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.substring(i, i+8) //select 8char chunk from bigstring
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.split('') // to array
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.reverse() // reverse
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.join(''), // back to string
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2) // parse from base2
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compressedPayload.push( byte ) //put in array
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}
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compressedPayload = Buffer.from(compressedPayload)
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const toEncryptData = Buffer.concat([
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uncPayloadHash, compressedPayload
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])
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let encryptedPayload = new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(ivWithTimestampPadded)).encrypt(toEncryptData)
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const encrpytedIncludingIVandSHA1Checksum = Buffer.concat([
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ivWithTimestamp, encryptedPayload
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])
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let base64 = encrpytedIncludingIVandSHA1Checksum.toString('base64')
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*/
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const axios = require('axios')
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const config = {
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"pager": {
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"url": "http://127.0.0.1:3000/api/message/advanced",
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"params": {
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"type": "simple",
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"routing": {
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"device": "generic",
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"connectors": [
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[
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"pocsag",
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"42001A"
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]
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]
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}
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}
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},
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}
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async function sendPage(payload) {
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const meta = Object.assign({ ...config.pager.params }, { payload })
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return (await axios.post(config.pager.url, meta)).data
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}
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sendPage(base64)
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module.exports = new BOSkrypt()
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