TheXamlGuy
29 lines
806 B
C#
29 lines
806 B
C#
using System.Security.Cryptography;
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namespace Bitvault;
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public class AesDecryptor :
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IDecryptor
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{
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private const int IvSize = 16;
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public byte[] Decrypt(byte[] cipher, byte[] key)
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{
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Span<byte> iv = cipher.AsSpan(0, IvSize);
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ReadOnlySpan<byte> encryptedContent = cipher.AsSpan(IvSize);
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using Aes aes = Aes.Create();
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aes.Key = key;
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aes.IV = iv.ToArray();
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using MemoryStream memoryStream = new(encryptedContent.ToArray());
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using ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);
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using CryptoStream cryptoStream = new(memoryStream, decryptor, CryptoStreamMode.Read);
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using MemoryStream resultStream = new();
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cryptoStream.CopyTo(resultStream);
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return resultStream.ToArray();
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}
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}
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