如何使用System.Security.Cryptography.AesManaged加密字节[]？ [英] How to use 'System.Security.Cryptography.AesManaged' to encrypt a byte[]?

问题描述

基本上我想使用System.Security.Cryptography.AesManaged（或更好的类，如果你认为有一个？）采取一个字节数组和创建另一个加密字节数组，使用给定的对称密钥（我假设i需要一个？）。

Basically i want to use System.Security.Cryptography.AesManaged (or a better class, if you think there is one?) to take one byte array and create another encrypted byte array, using a given symmetric key (i assume i'll need one?).

我还需要改变这个过程的方式。

I also will need the way to reverse this procedure.

这是我可以加密存储的密码。

The point of this is so i can encrypt stored passwords. I assume there's a simple way to do this?

感谢

推荐答案

private string Encrypt(string input)
{
  return Convert.ToBase64String(Encrypt(Encoding.UTF8.GetBytes(input)));
}
private byte[] Encrypt(byte[] input)
{
  PasswordDeriveBytes pdb = new PasswordDeriveBytes("hjiweykaksd", new byte[] { 0x43, 0x87, 0x23, 0x72, 0x45, 0x56, 0x68, 0x14, 0x62, 0x84 });
  MemoryStream ms = new MemoryStream();
  Aes aes = new AesManaged();
  aes.Key = pdb.GetBytes(aes.KeySize / 8);
  aes.IV = pdb.GetBytes(aes.BlockSize / 8);
  CryptoStream cs = new CryptoStream(ms, aes.CreateEncryptor(), CryptoStreamMode.Write);
  cs.Write(input, 0, input.Length);
  cs.Close();
  return ms.ToArray();
}
private string Decrypt(string input)
{
  return Encoding.UTF8.GetString(Decrypt(Convert.FromBase64String(input)));
}
private byte[] Decrypt(byte[] input)
{
  PasswordDeriveBytes pdb = new PasswordDeriveBytes("hjiweykaksd", new byte[] { 0x43, 0x87, 0x23, 0x72, 0x45, 0x56, 0x68, 0x14, 0x62, 0x84 });
  MemoryStream ms = new MemoryStream();
  Aes aes = new AesManaged();
  aes.Key = pdb.GetBytes(aes.KeySize / 8);
  aes.IV = pdb.GetBytes(aes.BlockSize / 8);
  CryptoStream cs = new CryptoStream(ms, aes.CreateDecryptor(), CryptoStreamMode.Write);
  cs.Write(input, 0, input.Length);
  cs.Close();
  return ms.ToArray();
}

这篇关于如何使用System.Security.Cryptography.AesManaged加密字节[]？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！