private static string SignLicenseContract(LicenseContract licenseContract)
{
Guid licenseId = licenseContract.LicenseId;
byte[] liceseBytes = Encoding.Unicode.GetBytes(Newtonsoft.Json.JsonConvert.SerializeObject(licenseContract));
string licenseText = Convert.ToBase64String(liceseBytes);
X509Certificate2 pri = new X509Certificate2(File.ReadAllBytes(@"test.pfx"), "123456");
var privateKey = pri.GetRSAPrivateKey();
byte[] hash = privateKey.SignData(Encoding.Unicode.GetBytes(licenseText), HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
string signature = Convert.ToBase64String(hash);
return($"{licenseId.ToString("N")}-{licenseText}-{signature}");
}
public static void Run()
{
string cert = File.ReadAllText("Programs/test._cert");
var toBeEncryptedContract = new LicenseContract
{
NotAfter = DateTimeOffset.UtcNow.AddMinutes(5),
NotBefore = DateTimeOffset.UtcNow,
LicensedTo = Guid.Empty.ToString("N"),
SchemaVersion = "1.0",
LicenseId = Guid.NewGuid(),
Products = new List <object>
{
new
{
Amount = 10,
Name = "rrr",
Sku = "aaa"
}
}
};
//var str = SignLicenseContract(toBeEncryptedContract);
var str = "BA72650B45704ED9848647833B33A41D-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-DdlASX+udVCSLCQyIWz/ssbLkTNfdeh0DHTxfhrf3g+SzA3Ota7Iua1ryupTCM6OXHiwVRfhnZlp9QU7Gnl4DUJ3pOcUUfFhSHii+2ObIjYatGQLeik6iSwIyCiROJ+ZnBjCIlQOtiPlMbYzH/MW0muNqTNVMjWV+rLa3dLCOxfj5cwXcQH87ijSIMgyUXoMi+YCG+bA0T0//n57LNK8qKW3kJFX1pElKHHDgcukRGwVKb2hOv5L97R25hUuMiwgFwxZDE67PJkb2f53ut7sQlqcoyIN+h+fBjVpFtOwbK2eCQMMly8K8uSqhq3iZ8DebJE6vaTJY1R4r04QrE6aBA==";
//
var licenseParts = str.Split('-');
string id = licenseParts[0];
string payload = licenseParts[1];
var data = Encoding.Unicode.GetString(Convert.FromBase64String(payload));
string signature = licenseParts[2];
X509Certificate2 certificate = new X509Certificate2(Encoding.UTF8.GetBytes(cert));
byte[] buffer = Encoding.Unicode.GetBytes(payload);
using (RSA rsa = certificate.GetRSAPublicKey())//验证签名
{
var hash2 = Convert.FromBase64String(signature);
var result = rsa.VerifyData(buffer, hash2, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
if (result)
{
string strData = Encoding.Unicode.GetString(Convert.FromBase64String(payload));
}
}
X509Certificate2 pri = new X509Certificate2(File.ReadAllBytes(@"Programs/test._pfx"), "123456");
X509Certificate2 pub = new X509Certificate2(Encoding.UTF8.GetBytes(cert));
RSA RSAPrivate = pri.GetRSAPrivateKey();
RSA RSAPublic = pub.GetRSAPublicKey();
byte[] dataToEncrypt = Encoding.Unicode.GetBytes(Newtonsoft.Json.JsonConvert.SerializeObject(toBeEncryptedContract));
string licenseText = Convert.ToBase64String(dataToEncrypt);
byte[] hash = RSAPrivate.SignData(dataToEncrypt, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var signature2 = Convert.ToBase64String(hash);
bool a = RSAPublic.VerifyData(dataToEncrypt, hash, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.ReadLine();
}
