Akatsuki-Misaki/ArchiSteamFarm
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Misc optimization

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This commit is contained in:
Łukasz Domeradzki
2024-08-09 23:03:56 +02:00
parent 216cd51c4a
commit ff7a1e7c0e
1 changed files with 13 additions and 7 deletions
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20
ArchiSteamFarm/Helpers/ArchiCryptoHelper.cs
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@@ -22,6 +22,7 @@
// limitations under the License.
using System;
using System.Buffers;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
@@ -241,7 +242,7 @@ public static class ArchiCryptoHelper {
try {
byte[] key = SHA256.HashData(EncryptionKey);
byte[] encryptedData = Encoding.UTF8.GetBytes(text);
byte[] textData = Encoding.UTF8.GetBytes(text);
byte[] iv = RandomNumberGenerator.GetBytes(16);
using Aes aes = Aes.Create();
@@ -250,15 +251,20 @@ public static class ArchiCryptoHelper {
aes.KeySize = 256;
aes.Key = key;
byte[] cryptedIv = aes.EncryptEcb(iv, PaddingMode.None);
byte[] cipherText = aes.EncryptCbc(encryptedData, iv);
byte[] encryptedIv = aes.EncryptEcb(iv, PaddingMode.None);
byte[] encryptedText = aes.EncryptCbc(textData, iv);
int encryptedCount = encryptedIv.Length + encryptedText.Length;
byte[] output = new byte[cryptedIv.Length + cipherText.Length];
byte[] result = ArrayPool<byte>.Shared.Rent(encryptedCount);
Array.Copy(cryptedIv, 0, output, 0, cryptedIv.Length);
Array.Copy(cipherText, 0, output, cryptedIv.Length, cipherText.Length);
try {
Array.Copy(encryptedIv, result, encryptedIv.Length);
Array.Copy(encryptedText, 0, result, encryptedIv.Length, encryptedText.Length);
return Convert.ToBase64String(output);
return Convert.ToBase64String(result, 0, encryptedCount);
} finally {
ArrayPool<byte>.Shared.Return(result);
}
} catch (Exception e) {
ASF.ArchiLogger.LogGenericException(e);