public void xxx() { var privKeyStr = @"MIICXQIBAAKBgQDEuMdX757iaBkrxN51IQMILf+o7nJhfddEQ8gurVNYgoGxg19N ZtrJaegAiv6lbFO4jhkKzLX9mHXZrvxL+UD5lr458BA8vwm+ws7lxu+10exq0Xns H26ekvBveDcbndhX+fbc34HhZlJCib6MKMzUGebwckGbZK3oz4WCZc3QoQIDAQAB AoGBALBWWgpPNwMIARgk3qvrrYYVhYhuRYVyghYlFDoTEBTU12DBvBnrys6k6lwi O+UY12slpPjzS2dI1MsOegW4Ji5/6w/rZC8BoyvOADSVWKc71eaQ8d9IqjjWKp0+ cL9hgI8s/DDYUtqmrqsxqPGkxOx8NSD7VcSID7xbbqK/v5uJAkEA+hurMyJUPRCD Uyfie1m+cfQKjc4j4zN32KrbceG25QJq8Y/lpQSq0POSsmvaIxGkRJtTIoB6T/co TYvox/kUiwJBAMlbJvyjm2KY12CTFjN7apmnMIRoYmI9z8n4hLl2h8852s+Ljdjn MrCOcsL0T0kvxLlAKDwAeVWtjil3A9/DGQMCQAJPERSGw5pQtbWlz5xt5qkspJBM j95AEmIoqZ/ygnq4u/4A4xDT6zPEm90Ty865EfgkKu9NmlN0p6WXng2CiiMCQEND nQmGihDs5/4OBLub/edob4+74ynYZkKdL5FZJFM4i30LrI4J5egPHg08WgQj3f7Y jNhGfEH/4V6+sF+eqAsCQQCTl/A2JqF6CThIdk6zLF40cJGRFOkAcRqsrV3Q64XD C2rpXXqnjJlqysIFEmnUmxm64ckMyg96b1CxeW0F4Tr7"; var privKey = Convert.FromBase64String(privKeyStr); var prvRsa = RsaUtils.LoadPrivateKey(privKey); }