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Code cleanup

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Stone_Red
2026-06-08 21:30:40 +02:00
parent 124b5368b1
commit 145055b77e
25 changed files with 232 additions and 192 deletions
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BcAesCrypto.cs
+9 -9
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@@ -1,6 +1,3 @@
using System;
using System.Security.Cryptography;
using System.Text;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Digests;
using Org.BouncyCastle.Crypto.Engines;
@@ -8,6 +5,9 @@ using Org.BouncyCastle.Crypto.Generators;
using Org.BouncyCastle.Crypto.Modes;
using Org.BouncyCastle.Crypto.Parameters;
using System.Security.Cryptography;
using System.Text;
public static class BcAesCrypto
{
private const int KeySize = 32; // 256-bit AES
@@ -21,7 +21,7 @@ public static class BcAesCrypto
// -----------------------------
private static byte[] DeriveKey(string password, byte[] salt)
{
var generator = new Pkcs5S2ParametersGenerator(new Sha256Digest());
Pkcs5S2ParametersGenerator generator = new(new Sha256Digest());
generator.Init(
PbeParametersGenerator.Pkcs5PasswordToBytes(password.ToCharArray()),
@@ -29,7 +29,7 @@ public static class BcAesCrypto
Iterations
);
var keyParam = (KeyParameter)generator.GenerateDerivedMacParameters(KeySize * 8);
KeyParameter keyParam = (KeyParameter)generator.GenerateDerivedMacParameters(KeySize * 8);
return keyParam.GetKey();
}
@@ -46,7 +46,7 @@ public static class BcAesCrypto
byte[] nonce = new byte[NonceSize];
RandomNumberGenerator.Fill(nonce);
var cipher = new GcmBlockCipher(new AesEngine());
GcmBlockCipher cipher = new(new AesEngine());
cipher.Init(true, new AeadParameters(
new KeyParameter(key),
@@ -58,7 +58,7 @@ public static class BcAesCrypto
byte[] output = new byte[cipher.GetOutputSize(input.Length)];
int len = cipher.ProcessBytes(input, 0, input.Length, output, 0);
cipher.DoFinal(output, len);
_ = cipher.DoFinal(output, len);
// Combine: salt + nonce + ciphertext
byte[] result = new byte[salt.Length + nonce.Length + output.Length];
@@ -90,7 +90,7 @@ public static class BcAesCrypto
byte[] key = DeriveKey(password, salt);
var cipher = new GcmBlockCipher(new AesEngine());
GcmBlockCipher cipher = new(new AesEngine());
cipher.Init(false, new AeadParameters(
new KeyParameter(key),
@@ -101,7 +101,7 @@ public static class BcAesCrypto
byte[] plain = new byte[cipher.GetOutputSize(cipherBytes.Length)];
int len = cipher.ProcessBytes(cipherBytes, 0, cipherBytes.Length, plain, 0);
cipher.DoFinal(plain, len);
_ = cipher.DoFinal(plain, len);
return Encoding.UTF8.GetString(plain);
}