36 lines
No EOL
989 B
C#
36 lines
No EOL
989 B
C#
using System.Security.Cryptography;
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using System.Text;
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namespace Catalogger.Backend.Database;
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public class EncryptionService(Config config) : IEncryptionService
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{
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private readonly byte[] _secretKey = Convert.FromBase64String(config.Database.EncryptionKey);
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public byte[] Encrypt(string data)
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{
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using var aes = Aes.Create();
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aes.Key = _secretKey;
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var output = new List<byte>();
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output.AddRange(aes.IV);
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var plaintext = Encoding.UTF8.GetBytes(data);
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var ciphertext = aes.EncryptCbc(plaintext, aes.IV);
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output.AddRange(ciphertext);
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return output.ToArray();
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}
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public string Decrypt(byte[] input)
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{
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using var aes = Aes.Create();
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aes.Key = _secretKey;
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var iv = input.Take(aes.IV.Length).ToArray();
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var ciphertext = input.Skip(aes.IV.Length).ToArray();
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var plaintext = aes.DecryptCbc(ciphertext, iv);
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return Encoding.UTF8.GetString(plaintext);
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}
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} |