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10 Commits

Author SHA1 Message Date
n1474335
1fb1d9cbb7 9.39.6 2022-07-08 15:16:00 +01:00
n1474335
2f097e5dfc Tidied up Base85 issues 2022-07-08 15:15:53 +01:00
n1474335
b71e3241be Merge branch 'master' of https://github.com/benediktwerner/CyberChef 2022-07-08 15:04:09 +01:00
Benedikt Werner
f5a7db03cd Base85: Only require 15 continuous base85 chars 2020-06-10 15:50:26 +02:00
Benedikt Werner
ee408f7add Base85: Update magic regexes to require 20 non-whitespace base85 chars 2020-05-22 03:30:57 +02:00
Benedikt Werner
1294d764e2 Base85: Only remove start and end markers with standard/ascii85 encoding 2020-05-22 03:30:15 +02:00
Benedikt Werner
eab1be0e2c Magic base85: Remove 'i' flag 2020-05-20 00:23:50 +02:00
Benedikt Werner
15dd9d4c93 Add magic checks for base85 2020-05-16 00:42:50 +02:00
Benedikt Werner
103ecff6a7 Base85: Ignore whitespace 2020-05-16 00:42:31 +02:00
Benedikt Werner
0182cdda69 Base85: Fix alphabetName 2020-05-16 00:42:02 +02:00
5 changed files with 48 additions and 10 deletions

4
package-lock.json generated
View File

@@ -1,12 +1,12 @@
{
"name": "cyberchef",
"version": "9.39.5",
"version": "9.39.6",
"lockfileVersion": 2,
"requires": true,
"packages": {
"": {
"name": "cyberchef",
"version": "9.39.5",
"version": "9.39.6",
"hasInstallScript": true,
"license": "Apache-2.0",
"dependencies": {

View File

@@ -1,6 +1,6 @@
{
"name": "cyberchef",
"version": "9.39.5",
"version": "9.39.6",
"description": "The Cyber Swiss Army Knife for encryption, encoding, compression and data analysis.",
"author": "n1474335 <n1474335@gmail.com>",
"homepage": "https://gchq.github.io/CyberChef",

View File

@@ -1,3 +1,5 @@
import Utils from "../Utils.mjs";
/**
* Base85 resources.
*
@@ -32,13 +34,12 @@ export const ALPHABET_OPTIONS = [
* @returns {string}
*/
export function alphabetName(alphabet) {
alphabet = alphabet.replace(/'/g, "&apos;");
alphabet = alphabet.replace(/"/g, "&quot;");
alphabet = alphabet.replace(/\\/g, "&bsol;");
alphabet = escape(alphabet);
let name;
ALPHABET_OPTIONS.forEach(function(a) {
if (escape(alphabet) === escape(a.value)) name = a.name;
const expanded = Utils.expandAlphRange(a.value).join("");
if (alphabet === escape(expanded)) name = a.name;
});
return name;

View File

@@ -38,6 +38,35 @@ class FromBase85 extends Operation {
value: true
},
];
this.checks = [
{
pattern:
"^\\s*(?:<~)?" + // Optional whitespace and starting marker
"[\\s!-uz]*" + // Any amount of base85 characters and whitespace
"[!-uz]{15}" + // At least 15 continoues base85 characters without whitespace
"[\\s!-uz]*" + // Any amount of base85 characters and whitespace
"(?:~>)?\\s*$", // Optional ending marker and whitespace
args: ["!-u"],
},
{
pattern:
"^" +
"[\\s0-9a-zA-Z.\\-:+=^!/*?&<>()[\\]{}@%$#]*" +
"[0-9a-zA-Z.\\-:+=^!/*?&<>()[\\]{}@%$#]{15}" + // At least 15 continoues base85 characters without whitespace
"[\\s0-9a-zA-Z.\\-:+=^!/*?&<>()[\\]{}@%$#]*" +
"$",
args: ["0-9a-zA-Z.\\-:+=^!/*?&<>()[]{}@%$#"],
},
{
pattern:
"^" +
"[\\s0-9A-Za-z!#$%&()*+\\-;<=>?@^_`{|}~]*" +
"[0-9A-Za-z!#$%&()*+\\-;<=>?@^_`{|}~]{15}" + // At least 15 continoues base85 characters without whitespace
"[\\s0-9A-Za-z!#$%&()*+\\-;<=>?@^_`{|}~]*" +
"$",
args: ["0-9A-Za-z!#$%&()*+\\-;<=>?@^_`{|}~"],
},
];
}
/**
@@ -56,6 +85,10 @@ class FromBase85 extends Operation {
throw new OperationError("Alphabet must be of length 85");
}
// Remove delimiters if present
const matches = input.match(/^<~(.+?)~>$/);
if (matches !== null) input = matches[1];
// Remove non-alphabet characters
if (removeNonAlphChars) {
const re = new RegExp("[^" + alphabet.replace(/[[\]\\\-^$]/g, "\\$&") + "]", "g");
@@ -64,9 +97,6 @@ class FromBase85 extends Operation {
if (input.length === 0) return [];
const matches = input.match(/<~(.+?)~>/);
if (matches !== null) input = matches[1];
let i = 0;
let block, blockBytes;
while (i < input.length) {

View File

@@ -12,6 +12,7 @@
import Chef from "../../src/core/Chef.mjs";
import Utils from "../../src/core/Utils.mjs";
import cliProgress from "cli-progress";
import log from "loglevel";
/**
* Object to store and run the list of tests.
@@ -50,6 +51,9 @@ class TestRegister {
* Runs all the tests in the register.
*/
async runTests () {
// Turn off logging to avoid messy errors
log.setLevel("silent", false);
const progBar = new cliProgress.SingleBar({
format: formatter,
stopOnComplete: true
@@ -128,6 +132,9 @@ class TestRegister {
progBar.increment();
}
// Turn logging back on
log.setLevel("info", false);
return testResults;
}