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Experimental: replace OpenSSL RC4 functions with pure JS ('npm install' required)

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zefie
2023-08-26 13:59:47 -04:00
parent 67ac8ec29d
commit c9f78b1e3b
3 changed files with 22 additions and 15 deletions
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27
zefie_wtvp_minisrv/includes/classes/WTVSec.js
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@@ -1,5 +1,6 @@
const CryptoJS = require('crypto-js');
const endianness = require('endianness');
var RC4 = require('rc4-crypto');
var crypto = require('crypto');
/**
@@ -296,7 +297,7 @@ class WTVSec {
/**
* Starts an encryption session
* @param {Number} rc4session Session Type (0 = enc k1, 1 = dec k1, 3 = enc k2, 4 = dec k2, default: all)
* @param {Number} rc4session Session Type (0 = enc k1, 1 = dec k1, 2 = enc k2, 3 = dec k2, default: all)
*
*/
SecureOn(rc4session = null) {
@@ -310,22 +311,22 @@ class WTVSec {
var key2 = this.wordArrayToBuffer(this.hRC4_Key2);
switch (rc4session) {
case 0:
this.RC4Session[0] = crypto.createCipheriv('rc4', key1,'');
this.RC4Session[0] = new RC4.RC4(key1);
break;
case 1:
this.RC4Session[1] = crypto.createDecipheriv('rc4', key1,'');
this.RC4Session[1] = new RC4.RC4(key1);
break;
case 2:
this.RC4Session[2] = crypto.createCipheriv('rc4', key2,'');
this.RC4Session[2] = new RC4.RC4(key2);
break;
case 3:
this.RC4Session[3] = crypto.createDecipheriv('rc4', key2,'');
this.RC4Session[3] = new RC4.RC4(key2);
break;
default:
this.RC4Session[0] = crypto.createCipheriv('rc4', key1, '');
this.RC4Session[1] = crypto.createDecipheriv('rc4', key1, '');
this.RC4Session[2] = crypto.createCipheriv('rc4', key2, '');
this.RC4Session[3] = crypto.createDecipheriv('rc4', key2, '');
this.RC4Session[0] = new RC4.RC4(key1);
this.RC4Session[1] = new RC4.RC4(key1);
this.RC4Session[2] = new RC4.RC4(key2);
this.RC4Session[3] = new RC4.RC4(key2);
break;
}
}
@@ -355,10 +356,10 @@ class WTVSec {
}
if (data.words) {
data = this.wordArrayToBuffer(data);
} else if (data.constructor === ArrayBuffer) {
} else if (data.constructor === ArrayBuffer || typeof data == 'string') {
data = new Buffer.from(data);
}
return this.RC4Session[session_id].update(data);
return this.RC4Session[session_id].updateFromBuffer(data);
}
/**
@@ -386,10 +387,10 @@ class WTVSec {
}
if (data.words) {
data = this.wordArrayToBuffer(data);
} else if (data.constructor === ArrayBuffer) {
} else if (data.constructor === ArrayBuffer || typeof data == 'string') {
data = new Buffer.from(data);
}
return this.RC4Session[session_id].update(data);
return this.RC4Session[session_id].updateFromBuffer(data);
}
}