CryptokiTokenBrowser/DigestKey.cs at master · YanuarGuo/CryptokiTokenBrowser · GitHub

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Net.Pkcs11Interop.Common;
using Net.Pkcs11Interop.HighLevelAPI;

namespace CryptokiTokenBrowser
{
    public partial class DigestKey : Form
    {
        public string keyLabel { get; set; } = string.Empty;
        public IObjectHandle? key { get; set; } = null;
        public ISession? session { get; set; } = null;
        public IMechanism? digestMechanism { get; set; } = null;

        public DigestKey()
        {
            InitializeComponent();
        }

        private byte[] DigestKeyProcess(
            ISession? session,
            IObjectHandle? selectedKey,
            IMechanism? digest
        )
        {
            if (session == null)
            {
                MessageBox.Show(
                    "Session is not initialized.",
                    "Session Error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                );
                return [];
            }
            byte[] result = [];
            result = session.DigestKey(digest, selectedKey);

            return result;
        }

        private void BtnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void BtnDigest_Click(object sender, EventArgs e)
        {
            if (session == null)
            {
                MessageBox.Show(
                    "Session is not initialized.",
                    "Session Error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                );
                return;
            }
            try
            {
                byte[] result = [];
                string resultString = string.Empty;
                string selectedMechanism = CbMechanism.Text;
                if (selectedMechanism == "ARDFP")
                {
                    //digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_ARDFP);
                }
                else if (selectedMechanism == "DES_MDC_2_PAD1")
                {
                    //digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_DES_MDC_2_PAD1);
                }
                else if (selectedMechanism == "MD2")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_MD2);
                }
                else if (selectedMechanism == "MD5")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_MD5);
                }
                else if (selectedMechanism == "NVB")
                {
                    //digestMechanism = session.Factories.MechanismFactory.Create(
                    //        CKM.CKM_NVB
                    //    );
                }
                else if (selectedMechanism == "RIPEMD128")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_RIPEMD128);
                }
                else if (selectedMechanism == "RIPEMD160")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_RIPEMD160);
                }
                else if (selectedMechanism == "SHA_1")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_SHA_1);
                }
                else if (selectedMechanism == "SHA_224")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_SHA224);
                }
                else if (selectedMechanism == "SHA_256")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_SHA256);
                }
                else if (selectedMechanism == "SHA_384")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_SHA384);
                }
                else if (selectedMechanism == "SHA_512")
                {
                    digestMechanism = session.Factories.MechanismFactory.Create(CKM.CKM_SHA512);
                }

                result = DigestKeyProcess(session, key, digestMechanism);
                resultString = ConvertUtils.BytesToHexString(result);
                TxtDigestedKey.Text = resultString;
            }
            catch (Exception ex)
            {
                MessageBox.Show(
                    "An error occurred during digesting: " + ex.Message,
                    "Error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                );
            }
        }

        private void DigestKey_Load(object sender, EventArgs e)
        {
            TxtKey.Text = keyLabel;
            if (session == null)
            {
                MessageBox.Show(
                    "Session is not initialized.",
                    "Session Error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                );
                return;
            }
        }
    }
}