private void InitList(RSAKey PreSelected)
{
AllKeys.Sort((a, b) => string.Compare(a.Name, b.Name));
var ObjList = AllKeys
.Select(m => new KeyLabel()
{
Key = m
})
.Cast <object>()
.ToArray();
cbKey.Items.Clear();
cbKey.Items.AddRange(ObjList);
if (ObjList.Length > 0)
{
cbKey.SelectedIndex = 0;
}
if (PreSelected != null)
{
for (var i = 0; i < AllKeys.Count; i++)
{
if (AllKeys[i].Equals(PreSelected))
{
cbKey.SelectedIndex = i;
break;
}
}
}
}
/// <summary>
/// Strips the private key information from a given key for exportingor publishing
/// </summary>
/// <param name="Key">Key to strip information of</param>
/// <returns>New copy with public key parts only</returns>
/// <remarks>The supplied key itself is not modified</remarks>
public static RSAKey StripPrivate(RSAKey Key)
{
return(new RSAKey(Key.Name, new RSAParameters()
{
Modulus = (byte[])Key.Key.Modulus.Clone(),
Exponent = (byte[])Key.Key.Exponent.Clone()
}));
}
public frmRSASelect(IEnumerable <RSAKey> Keys, bool CanCreate, RSAKey PreSelected = null)
{
if (Keys == null)
{
AllKeys = new List <RSAKey>();
}
AllKeys = Keys.ToList();
InitializeComponent();
btnCreate.Enabled = CanCreate;
InitList(PreSelected);
}
/// <summary>
/// Checks if two given public keys are identical
/// </summary>
/// <param name="K">Key to compare with</param>
/// <returns>true, if identical public keys</returns>
public bool IsSamePublicKey(RSAKey K)
{
return(IsSamePublicKey(K.Key));
}
/// <summary>
/// Verifies a signature
/// </summary>
/// <param name="Key">RSA key with public key parts</param>
/// <param name="Data">Data to check the signature of</param>
/// <param name="Signature">Expected signature</param>
/// <returns>true, if signature matches</returns>
public static bool Verify(RSAKey Key, byte[] Data, byte[] Signature)
{
return(Verify(Key.Key, Data, Signature));
}
/// <summary>
/// Signs data
/// </summary>
/// <param name="Key">RSA key with private key parts</param>
/// <param name="Data">Data to sign</param>
/// <returns>Signature</returns>
public static byte[] Sign(RSAKey Key, byte[] Data)
{
return(Sign(Key.Key, Data));
}
/// <summary>
/// Decrypts the given data using the given key
/// </summary>
/// <param name="Key">RSA key with private key parts</param>
/// <param name="Data">Data to decrypt</param>
/// <returns>Decrypted data</returns>
public static byte[] Decrypt(RSAKey Key, byte[] Data)
{
return(Decrypt(Key.Key, Data));
}