public string SignWithCachedCert(string xmlData, string elementId)
{
if (string.IsNullOrEmpty(xmlData))
{
throw new ArgumentNullException("xmlData");
}
if (string.IsNullOrEmpty(elementId))
{
throw new ArgumentNullException("elementId");
}
if (CachedCert is null)
{
throw new ArgumentNullException("Call CacheCertificate before!");
}
var originalDoc = XmlDocumentHelper.Create(xmlData);
var xadesSignedXml = new XadesBesSignedXml(originalDoc)
{
SignedElementId = elementId,
CryptoProvider = new GostCryptoProvider()
};
var element = xadesSignedXml.FindElement(elementId, originalDoc);
if (element == null)
{
throw new InvalidOperationException(string.Format("Не удалось найти узел c Id {0}", elementId));
}
xadesSignedXml.ComputeSignature(CachedCert, CachedCertKey);
xadesSignedXml.InjectSignatureTo(originalDoc);
return(originalDoc.OuterXml);
}
public void ValidateSignature(string xmlData, string elementId)
{
if (string.IsNullOrEmpty(xmlData))
{
throw new ArgumentNullException("xmlData");
}
if (string.IsNullOrWhiteSpace(elementId))
{
throw new ArgumentNullException("elementId");
}
var document = XmlDocumentHelper.Create(xmlData);
var signedXml = new XadesBesSignedXml(document, elementId)
{
CertificateMatcher = new CertificateMatcher(new GostCryptoProvider())
};
signedXml.Validate();
}
public XmlDocument Sign(string xmlData, string elementId, string certificateThumbprint, string certificatePassword)
{
if (string.IsNullOrEmpty(xmlData))
{
throw new ArgumentNullException("xmlData");
}
if (string.IsNullOrEmpty(elementId))
{
throw new ArgumentNullException("elementId");
}
if (string.IsNullOrEmpty(certificateThumbprint))
{
throw new ArgumentNullException("certificateThumbprint");
}
var originalDoc = XmlDocumentHelper.Create(xmlData);
var certificate = CertificateHelper.GetCertificateByThumbprint(certificateThumbprint);
var xadesSignedXml = new XadesBesSignedXml(originalDoc)
{
SignedElementId = elementId,
CryptoProvider = new GostCryptoProvider()
};
var element = xadesSignedXml.FindElement(elementId, originalDoc);
if (element == null)
{
throw new InvalidOperationException(string.Format("Не удалось найти узел c Id {0}", elementId));
}
xadesSignedXml.ComputeSignature(certificate, certificatePassword);
xadesSignedXml.InjectSignatureTo(originalDoc);
return(originalDoc);
}