public string SignN3Rsa(string data)
{
var cspParams = new CspParameters {KeyContainerName = "XML_DSIG_RSA_KEY"};
var key = new RSACryptoServiceProvider(cspParams);
var cspBlob = key.ExportCspBlob(false);
var base64Blob = Convert.ToBase64String(cspBlob);
var rsaFormatter = new RSAPKCS1SignatureFormatter(key);
rsaFormatter.SetHashAlgorithm("MD5");
var hash = Md5Helper.GetMd5Hash(data);
var base64Hash = Convert.ToBase64String(hash);
var sign = rsaFormatter.CreateSignature(hash);
var base64Sign = Convert.ToBase64String(sign);
var signData = new SignData
{
data = data,
public_key = base64Blob,
hash = base64Hash,
sign = base64Sign
};
return new SerializationHelper<SignData>().Serialize(signData);
}
//INFO: метод для тестирования
public string SignN3Gost(string data)
{
var storeCurrentUser = new X509Store(StoreName.My, StoreLocation.CurrentUser);
storeCurrentUser.Open(OpenFlags.ReadOnly);
var coll = storeCurrentUser.Certificates
.Find(X509FindType.FindByThumbprint, "4d 19 79 84 52 9a 80 4a c4 86 3a 82 6a 8d ab 85 3f 95 e5 01", false)[0];
//b8 be f8 22 e8 63 2a 74 d4 2e 58 df 91 9c 2f e3 75 ea e1 e4 просрочен
//4d 19 79 84 52 9a 80 4a c4 86 3a 82 6a 8d ab 85 3f 95 e5 01
var gost = (Gost3410CryptoServiceProvider) coll.PrivateKey;
var base64Blob = Convert.ToBase64String(coll.Export(X509ContentType.Cert));
var gostSignatureFormatter = new GostSignatureFormatter(gost);
gostSignatureFormatter.SetHashAlgorithm("Gost3411");
var hash = Md5Helper.GetGost3411Hash(data);
var base64Hash = Convert.ToBase64String(hash);
var sign = gostSignatureFormatter.CreateSignature(hash);
var base64Sign = Convert.ToBase64String(sign);
var signData = new SignData
{
data = data,
public_key = base64Blob,
hash = base64Hash,
sign = base64Sign
};
return JsonConvert.SerializeObject(signData);
}
