/// <summary>
/// String info for the manager
/// </summary>
/// <returns>The string info that the manager contains</returns>
public override string ToString()
{
var Builder = new StringBuilder();
Builder.AppendLineFormat("Asymmetric algorithms: {0}", AsymmetricAlgorithms.ToString(x => x.Name));
Builder.AppendLineFormat("Hashing algorithms: {0}", HasherAlgorithms.ToString(x => x.Name));
Builder.AppendLineFormat("Shift algorithms: {0}", ShiftAlgorithms.ToString(x => x.Name));
Builder.AppendLineFormat("Symmetric algorithms: {0}", SymmetricAlgorithms.ToString(x => x.Name));
return(Builder.ToString());
}
/// <summary>
/// Verifies a signed hash against the unsigned version
/// </summary>
/// <param name="Hash">The unsigned hash (should be 64bit string)</param>
/// <param name="SignedHash">The signed hash (should be 64bit string)</param>
/// <param name="Key">The key to use in decryption</param>
/// <returns>True if it is verified, false otherwise</returns>
public bool VerifyHash(string Hash, string SignedHash, string Key)
{
Contract.Requires <NullReferenceException>(AsymmetricAlgorithms != null, "AsymmetricAlgorithms");
var Found = AsymmetricAlgorithms.FirstOrDefault();
if (Found == null)
{
throw new ArgumentException("No asymmetric encryption algorithm found");
}
return(Found.VerifyHash(Hash, SignedHash, Key));
}
/// <summary>
/// Takes a string and creates a signed hash of it
/// </summary>
/// <param name="Input">Input string</param>
/// <param name="Key">Key to encrypt/sign with</param>
/// <param name="Hash">This will be filled with the unsigned hash</param>
/// <param name="EncodingUsing">Encoding that the input is using (defaults to UTF8)</param>
/// <returns>A signed hash of the input (64bit string)</returns>
public string SignHash(string Input, string Key, out string Hash, Encoding EncodingUsing = null)
{
Contract.Requires <NullReferenceException>(AsymmetricAlgorithms != null, "AsymmetricAlgorithms");
var Found = AsymmetricAlgorithms.FirstOrDefault();
if (Found == null)
{
throw new ArgumentException("No asymmetric encryption algorithm found");
}
return(Found.SignHash(Input, Key, out Hash, EncodingUsing));
}
/// <summary>
/// Encrypts a string using RSA
/// </summary>
/// <param name="Input">
/// Input byte array (should be small as anything over 128 bytes can not be decrypted)
/// </param>
/// <param name="Key">Key to use for encryption</param>
/// <returns>An encrypted byte array (64bit string)</returns>
public byte[] Encrypt(byte[] Input, string Key)
{
Contract.Requires <NullReferenceException>(AsymmetricAlgorithms != null, "AsymmetricAlgorithms");
var Found = AsymmetricAlgorithms.FirstOrDefault();
if (Found == null)
{
throw new ArgumentException("No asymmetric encryption algorithm found");
}
return(Found.Encrypt(Input, Key));
}
/// <summary>
/// Creates a new set of keys
/// </summary>
/// <param name="PrivatePublic">True if private key should be included, false otherwise</param>
/// <returns>XML representation of the key information</returns>
public string CreateKey(bool PrivatePublic)
{
Contract.Requires <NullReferenceException>(AsymmetricAlgorithms != null, "AsymmetricAlgorithms");
var Found = AsymmetricAlgorithms.FirstOrDefault();
if (Found == null)
{
throw new ArgumentException("No asymmetric encryption algorithm found");
}
return(Found.CreateKey(PrivatePublic));
}
public static (string, string, AsymmetricAlgorithms) ReadArgs(string[] args)
{
if (args.Length == 1 && (args[0] == "-h" || args[0] == "-help"))
{
Console.WriteLine("arg 1 = dnsName");
Console.WriteLine("arg 2 = password");
Console.WriteLine("arg 3 (optional) = RSA|ECDSA");
return(null, null, AsymmetricAlgorithms.ECDSA);
}
else if (args.Length < 2)
{
throw new InvalidOperationException("Invalid arguments");
}
else
{
string dnsName = args[0];
string password = args[1];
AsymmetricAlgorithms algorithm = AsymmetricAlgorithms.ECDSA;
if (args.Length == 3)
{
switch (args[2].ToLower())
{
case "rsa":
algorithm = AsymmetricAlgorithms.RSA;
break;
}
}
if (!string.IsNullOrWhiteSpace(password) && !string.IsNullOrWhiteSpace(dnsName))
{
return(password, dnsName, algorithm);
}
else
{
throw new InvalidOperationException("Invalid arguments");
}
}
}