微信支付:商家转账到零钱中发起转账接口，收款用户姓名在C#.Net 怎么实现加密和获取微信的公钥？
[图片] //证书路径 商户号 加密
X509Certificate2 cert = new X509Certificate2(@"D:\web\junjunmei\rest\apiclient_cert.p12", PayConfig.MchId, X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
var privateKey = cert.PrivateKey.ToXmlString(true);
var certSerialNo = cert.SerialNumber;
using (RSACryptoServiceProvider sha256 = new RSACryptoServiceProvider())
{
byte[] dataInBytes = Encoding.UTF8.GetBytes(message);
sha256.FromXmlString(privateKey);
byte[] inArray = sha256.SignData(dataInBytes, CryptoConfig.MapNameToOID("SHA256"));
string sign = Convert.ToBase64String(inArray);
return sign;
}
