/// <summary>
/// 将加密之后的ticket对应字符转换回来
/// </summary>
/// <param name="strTicketEncoded">待解密的字符串原始数据</param>
/// <returns>解密之后的ticket对象</returns>
/// <remarks>
/// 解密的源数据要求采用相同加密格式要求，配置于PassportEncryptionSettings中
/// </remarks>
public static ITicket DecryptTicket(string strTicketEncoded)
{
ITicketEncryption et = PassportEncryptionSettings.GetConfig().TicketEncryption;
byte[] data = Convert.FromBase64String(strTicketEncoded);
return(et.DecryptTicket(data, PassportClientSettings.GetConfig().RsaKeyValue));
}
/// <summary>
/// 加密Ticket
/// </summary>
/// <param name="ticket">ticket</param>
/// <returns>加密后的Ticket并且使用Base64编码</returns>
public static string EncryptTicket(ITicket ticket)
{
ITicketEncryption et = PassportEncryptionSettings.GetConfig().TicketEncryption;
//byte[] data = et.EncryptTicket(ticket, PassportClientSettings.GetConfig().RsaKeyValue); /del by yuanyong 20090416
//原来是PassportClientSettings，不正确的。加密ticket是PassportService的事情。虽然Client和Service都配置了密钥，但是应该使用Service方的
byte[] data = et.EncryptTicket(ticket, PassportSignInSettings.GetConfig().RsaKeyValue);
return(Convert.ToBase64String(data));
}
/// <summary>
/// 解密票据形成ITicket对象
/// </summary>
/// <param name="strTicketEncoded"></param>
/// <returns></returns>
public static ITicket DecryptTicket(string strTicketEncoded)
{
ITicket ticket = null;
ITicketEncryption et = PassportEncryptionSettings.GetConfig().TicketEncryption;
try
{
byte[] data = Convert.FromBase64String(strTicketEncoded);
ticket = et.DecryptTicket(data, PassportClientSettings.GetConfig().RsaKeyValue);
}
catch (System.Exception ex)
{
if (ex is CryptographicException || ex is System.IO.EndOfStreamException || ex is SystemSupportException || ex is FormatException)
{
throw;
}
}
return(ticket);
}
