private void button2_Click(object sender, EventArgs e)
{
//ofd7Zip.Filter = "7Z files (*.7Z)|*.7z|All files (*.*)|*.*";
this.ofd7Zip.Multiselect = false;
if (!Directory.Exists(_CopyPathAES))
{
Directory.CreateDirectory(_CopyPathAES);
}
if (ofd7Zip.ShowDialog() == DialogResult.OK)
{
textBox1.Text = ofd7Zip.FileName;
File.Copy(ofd7Zip.FileName, _CopyPathAES + @"\\" + ofd7Zip.SafeFileName, true);
//SevenZip.Compression.LZMA.Decoder decoder = new SevenZip.Compression.LZMA.Decoder();
//decoder.
MyAES myAES = new MyAES();
string password = "******";
// Create sha256 hash
//PKCS5_PBKDF2_HMAC_SHA1
//HMACSHA1 hMACSHA1 = new HMACSHA1();
SHA256 mySHA256 = SHA256Managed.Create();
key = mySHA256.ComputeHash(Encoding.ASCII.GetBytes(password));
// Create secret IV
byte[] iv = new byte[16] {
0xd3, 0x31, 0x29, 0x4a, 0xae, 0x3d, 0xe5, 0xc5, 0xdf, 0x64, 0xd0, 0xf2, 0xa4, 0x97, 0xa2, 0x15
};
//string encrypted = myAES.EncryptString(message, key, iv);
encrypted = myAES.FileToByteArray(_CopyPathAES + @"\\" + ofd7Zip.SafeFileName);
string decrypted = myAES.DecryptString(encrypted, key, iv);
}
}
private void button3_Click(object sender, EventArgs e)
{
MyAES myAES = new MyAES();
string roundtrip = myAES.DecryptStringFromBytes_Aes(encrypted, key);
txtDecrypt.Text = roundtrip;
}
private void button4_Click(object sender, EventArgs e)
{
using (var random = new RNGCryptoServiceProvider())
{
key = new byte[16];
random.GetBytes(key);
MyAES myAES = new MyAES();
encrypted = myAES.EncryptStringToBytes_Aes(txtinput.Text, key);
txtEncrypt.Text = Convert.ToBase64String(encrypted);
}
}
private void button1_Click(object sender, EventArgs e)
{
using (var random = new RNGCryptoServiceProvider())
{
MyAES myAES = new MyAES();
encrypted = myAES.FileToByteArray(_CopyPathAES + @"\\" + ofd7Zip.SafeFileName);
key = new byte[16];
random.GetBytes(key);
txtDecrypt.Text = myAES.DecryptStringFromBytes_Aes(encrypted, key);
//myAES.DecryptFile(_CopyPathAES + @"\\" + ofd7Zip.SafeFileName, _CopyPathAES + @"\\ABCD");
}
}
private void button5_Click(object sender, EventArgs e)
{
MyAES myAES = new MyAES();
string password = "******";
// Create sha256 hash
//PKCS5_PBKDF2_HMAC_SHA1
//HMACSHA1 hMACSHA1 = new HMACSHA1();
SHA256 mySHA256 = SHA256Managed.Create();
key = mySHA256.ComputeHash(Encoding.ASCII.GetBytes(password));
// Create secret IV
byte[] iv = new byte[16] {
0xd3, 0x31, 0x29, 0x4a, 0xae, 0x3d, 0xe5, 0xc5, 0xdf, 0x64, 0xd0, 0xf2, 0xa4, 0x97, 0xa2, 0x15
};
//string encrypted = myAES.EncryptString(message, key, iv);
encrypted = myAES.FileToByteArray(_CopyPathAESencrypt + @"\\" + ofd7Zip.SafeFileName);
string decrypted = myAES.DecryptString(encrypted, key, iv);
}
