Akatsuki-Misaki/ArchiSteamFarm
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Run generation in parallel

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JustArchi
2019-07-20 01:21:24 +02:00
parent 82c90498a6
commit 746464c8fe
2 changed files with 29 additions and 72 deletions
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99
ArchiSteamFarm/ArchiCryptoHelper.cs
View File

@@ -20,15 +20,32 @@
// limitations under the License.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using ArchiSteamFarm.Localization;
using CryptSharp.Utility;
using JetBrains.Annotations;
using SteamKit2;
namespace ArchiSteamFarm {
public static class ArchiCryptoHelper {
[ItemNotNull]
private static IEnumerable<byte[]> SteamParentalCodes {
get {
for (char a = '0'; a <= '9'; a++) {
for (char b = '0'; b <= '9'; b++) {
for (char c = '0'; c <= '9'; c++) {
for (char d = '0'; d <= '9'; d++) {
yield return new[] { (byte) a, (byte) b, (byte) c, (byte) d };
}
}
}
}
}
}
private static byte[] EncryptionKey = Encoding.UTF8.GetBytes(nameof(ArchiSteamFarm));
internal static string BruteforceSteamParentalCode(byte[] passwordHash, byte[] salt, bool scrypt = true) {
@@ -38,7 +55,17 @@ namespace ArchiSteamFarm {
return null;
}
return scrypt ? BruteforceSteamParentalCodeScrypt(passwordHash, salt) : BruteforceSteamParentalCodePbkdf2(passwordHash, salt);
byte[] password = scrypt
? SteamParentalCodes.AsParallel().FirstOrDefault(passwordToTry => passwordHash.SequenceEqual(SCrypt.ComputeDerivedKey(passwordToTry, salt, 8192, 8, 1, null, passwordHash.Length)))
: SteamParentalCodes.AsParallel().FirstOrDefault(
passwordToTry => {
using (HMACSHA1 hmacAlgorithm = new HMACSHA1(passwordToTry)) {
return passwordHash.SequenceEqual(Pbkdf2.ComputeDerivedKey(hmacAlgorithm, salt, 10000, passwordHash.Length));
}
}
);
return password != null ? Encoding.UTF8.GetString(password) : null;
}
internal static string Decrypt(ECryptoMethod cryptoMethod, string encrypted) {
@@ -93,76 +120,6 @@ namespace ArchiSteamFarm {
EncryptionKey = Encoding.UTF8.GetBytes(key);
}
private static string BruteforceSteamParentalCodePbkdf2(byte[] passwordHash, byte[] salt) {
if ((passwordHash == null) || (salt == null)) {
ASF.ArchiLogger.LogNullError(nameof(passwordHash) + " || " + nameof(salt));
return null;
}
byte[] password = new byte[4];
using (KeyedHashAlgorithm hmacAlgorithm = KeyedHashAlgorithm.Create()) {
for (char a = '0'; a <= '9'; a++) {
password[0] = (byte) a;
for (char b = '0'; b <= '9'; b++) {
password[1] = (byte) b;
for (char c = '0'; c <= '9'; c++) {
password[2] = (byte) c;
for (char d = '0'; d <= '9'; d++) {
password[3] = (byte) d;
byte[] passwordHashTry = Pbkdf2.ComputeDerivedKey(hmacAlgorithm, salt, 10000, passwordHash.Length);
if (passwordHashTry.SequenceEqual(passwordHash)) {
return Encoding.UTF8.GetString(password);
}
}
}
}
}
}
return null;
}
private static string BruteforceSteamParentalCodeScrypt(byte[] passwordHash, byte[] salt) {
if ((passwordHash == null) || (salt == null)) {
ASF.ArchiLogger.LogNullError(nameof(passwordHash) + " || " + nameof(salt));
return null;
}
byte[] password = new byte[4];
for (char a = '0'; a <= '9'; a++) {
password[0] = (byte) a;
for (char b = '0'; b <= '9'; b++) {
password[1] = (byte) b;
for (char c = '0'; c <= '9'; c++) {
password[2] = (byte) c;
for (char d = '0'; d <= '9'; d++) {
password[3] = (byte) d;
byte[] passwordHashTry = SCrypt.ComputeDerivedKey(password, salt, 8192, 8, 1, null, passwordHash.Length);
if (passwordHashTry.SequenceEqual(passwordHash)) {
return Encoding.UTF8.GetString(password);
}
}
}
}
}
return null;
}
private static string DecryptAES(string encrypted) {
if (string.IsNullOrEmpty(encrypted)) {
ASF.ArchiLogger.LogNullError(nameof(encrypted));

2
ArchiSteamFarm/ArchiHandler.cs
View File

@@ -701,7 +701,7 @@ namespace ArchiSteamFarm {
if (scrypt) {
passwordHash = SCrypt.ComputeDerivedKey(password, body.settings.salt, 8192, 8, 1, null, body.settings.passwordhash.Length);
} else {
using (KeyedHashAlgorithm hmacAlgorithm = KeyedHashAlgorithm.Create()) {
using (HMACSHA1 hmacAlgorithm = new HMACSHA1(password)) {
passwordHash = Pbkdf2.ComputeDerivedKey(hmacAlgorithm, body.settings.salt, 10000, body.settings.passwordhash.Length);
}
}