/// <summary>
/// Criptografa o texto informado.
/// </summary>
/// <param name="inputString">Texto que será criptografado.</param>
/// <param name="key"></param>
/// <returns></returns>
public static string EncryptString(string inputString, RSACryptografyKey key)
{
key.Require("key").NotNull();
var xmlString = string.Format("<BitStrength>{0}</BitStrength><RSAKeyValue><Modulus>{1}</Modulus><Exponent>{2}</Exponent></RSAKeyValue>", key.BitStrength, key.RSAKeyValue != null ? key.RSAKeyValue.Modulus : null, key.RSAKeyValue != null ? key.RSAKeyValue.Exponent : null);
return(EncryptString(inputString, key.BitStrength, xmlString));
}
/// <summary>
/// Descriptografa o texto informado.
/// </summary>
/// <param name="inputString">Texto contem os dados criptografados.</param>
/// <param name="key">Chavem que será usada.</param>
public static string DecryptString(string inputString, RSACryptografyKey key)
{
key.Require("key").NotNull();
RSACryptografyKey.RSAKey keyValue = key.RSAKeyValue;
if (keyValue == null)
{
keyValue = new RSACryptografyKey.RSAKey();
}
var serializer = new System.Xml.Serialization.XmlSerializer(typeof(RSACryptografyKey.RSAKey));
var sb = new StringBuilder();
using (var writer = new System.IO.StringWriter(sb))
serializer.Serialize(writer, keyValue);
var xmlString = sb.ToString();
return(DecryptString(inputString, key.BitStrength, xmlString));
}
