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Encryption.cs
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Encryption.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
namespace SFTPAutomation
{
class Encryption
{
private String IV;
private String Key;
public Encryption()
{
IV = "1a1a1a1a1a1a1a1a";
Key = "1a1a1a1a1a1a1a1a1a1a1a1a1a1a1a1a";
}
public string Encrypt(string decrypted)
{
byte[] textbytes = ASCIIEncoding.ASCII.GetBytes(decrypted);
AesCryptoServiceProvider endec = new AesCryptoServiceProvider();
endec.BlockSize = 128;
endec.KeySize = 256;
endec.IV = ASCIIEncoding.ASCII.GetBytes(IV);
endec.Key = ASCIIEncoding.ASCII.GetBytes(Key);
endec.Padding = PaddingMode.PKCS7;
endec.Mode = CipherMode.CBC;
ICryptoTransform icrypt = endec.CreateEncryptor(endec.Key, endec.IV);
byte[] enc = icrypt.TransformFinalBlock(textbytes, 0, textbytes.Length);
icrypt.Dispose();
return Convert.ToBase64String(enc);
}
public string Decrypted(string encrypted)
{
byte[] textbytes = Convert.FromBase64String(encrypted);
AesCryptoServiceProvider endec = new AesCryptoServiceProvider();
endec.BlockSize = 128;
endec.KeySize = 256;
endec.IV = ASCIIEncoding.ASCII.GetBytes(IV);
endec.Key = ASCIIEncoding.ASCII.GetBytes(Key);
endec.Padding = PaddingMode.PKCS7;
endec.Mode = CipherMode.CBC;
ICryptoTransform icrypt = endec.CreateDecryptor(endec.Key, endec.IV);
byte[] enc = icrypt.TransformFinalBlock(textbytes, 0, textbytes.Length);
icrypt.Dispose();
return System.Text.ASCIIEncoding.ASCII.GetString(enc);
}
}
}