How to encrypt with MD5 in C#

However, if you want to hash plaintext using MD5 in a C# Windows Forms Application, you can do so using the System.Security.Cryptography namespace.

How to encrypt with MD5 in C#

Drag and drop the TextBox, Label and Button controls from your Visual toolbox to your winform, then design your UI as shown below.

This application allows you to enter the text, then encrypt your text by using md5 algorithm c#. You can also use the MD5 algorithm to encrypt your password in c# code for md5 encryption as shown below.

// c# md5 encrypt
private void btnEncrypt_Click(object sender, EventArgs e)
{
    byte[] hashBytes = Encoding.Unicode.GetBytes(txtInput.Text);
    using (System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider())
    {
        hashBytes = md5.ComputeHash(hashBytes);
        StringBuilder stringBuilder = new StringBuilder();
        foreach (byte b in hashBytes)
            stringBuilder.Append(b.ToString("X2"));
        txtEncrypt.Text = stringBuilder.ToString();
    }
}

In this c# example, We have a Windows Form with two text boxes (txtInput for entering plaintext and txtOutput for displaying the hashed result) and a button (btnEncrypt) to trigger the hashing process.

When the button is clicked, it triggers the btnEncrypt_Click event handler.

To solve md5 c# implementation, we will convert the text into a byte array, then using c# md5 algorithm to computehash byte arrays. You need to use a loop to convert bytes to hexadecimal, you should use the StringBuilder class to help you append strings.

As you know, MD5 algorithm can't decrypt, some systems or website collect or generate md5, so you can track md5 encrypt data.