CspParameters.cs

using System.Runtime.InteropServices;
using System.Security.AccessControl;

namespace System.Security.Cryptography
{
    [ComVisible(true)]
    public sealed class CspParameters
    {
        public int ProviderType;

        public string ProviderName;

        public string KeyContainerName;

        public int KeyNumber;

        private int m_flags;

        private CryptoKeySecurity m_cryptoKeySecurity;

        private SecureString m_keyPassword;

        private IntPtr m_parentWindowHandle;

        public CspProviderFlags Flags
        {
            get
            {
                return (CspProviderFlags)m_flags;
            }
            set
            {
                int num = 255;
                if (((int)value & ~num) != 0)
                {
                    throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", (int)value), "value");
                }
                m_flags = (int)value;
            }
        }

        public CryptoKeySecurity CryptoKeySecurity
        {
            get
            {
                return m_cryptoKeySecurity;
            }
            set
            {
                m_cryptoKeySecurity = value;
            }
        }

        public SecureString KeyPassword
        {
            get
            {
                return m_keyPassword;
            }
            set
            {
                m_keyPassword = value;
                m_parentWindowHandle = IntPtr.Zero;
            }
        }

        public IntPtr ParentWindowHandle
        {
            get
            {
                return m_parentWindowHandle;
            }
            set
            {
                m_parentWindowHandle = value;
                m_keyPassword = null;
            }
        }

        public CspParameters()
            : this(24, null, null)
        {
        }

        public CspParameters(int dwTypeIn)
            : this(dwTypeIn, null, null)
        {
        }

        public CspParameters(int dwTypeIn, string strProviderNameIn)
            : this(dwTypeIn, strProviderNameIn, null)
        {
        }

        public CspParameters(int dwTypeIn, string strProviderNameIn, string strContainerNameIn)
            : this(dwTypeIn, strProviderNameIn, strContainerNameIn, CspProviderFlags.NoFlags)
        {
        }

        public CspParameters(int providerType, string providerName, string keyContainerName, CryptoKeySecurity cryptoKeySecurity, SecureString keyPassword)
            : this(providerType, providerName, keyContainerName)
        {
            m_cryptoKeySecurity = cryptoKeySecurity;
            m_keyPassword = keyPassword;
        }

        public CspParameters(int providerType, string providerName, string keyContainerName, CryptoKeySecurity cryptoKeySecurity, IntPtr parentWindowHandle)
            : this(providerType, providerName, keyContainerName)
        {
            m_cryptoKeySecurity = cryptoKeySecurity;
            m_parentWindowHandle = parentWindowHandle;
        }

        internal CspParameters(int providerType, string providerName, string keyContainerName, CspProviderFlags flags)
        {
            ProviderType = providerType;
            ProviderName = providerName;
            KeyContainerName = keyContainerName;
            KeyNumber = -1;
            Flags = flags;
        }

        internal CspParameters(CspParameters parameters)
        {
            ProviderType = parameters.ProviderType;
            ProviderName = parameters.ProviderName;
            KeyContainerName = parameters.KeyContainerName;
            KeyNumber = parameters.KeyNumber;
            Flags = parameters.Flags;
            m_cryptoKeySecurity = parameters.m_cryptoKeySecurity;
            m_keyPassword = parameters.m_keyPassword;
            m_parentWindowHandle = parameters.m_parentWindowHandle;
        }
    }
}