73 lines
2.4 KiB
C#
73 lines
2.4 KiB
C#
using GostXades.Abstractions;
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using GostXades.Helpers;
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using System;
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namespace GostXades
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{
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public class GostXadesBesService : IXadesService
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{
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CryptoProviderTypeEnum cryptoProviderType;
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public GostXadesBesService(CryptoProviderTypeEnum cryptoProviderType)
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{
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this.cryptoProviderType = cryptoProviderType;
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}
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public void ValidateSignature(string xmlData, string elementId)
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{
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if (string.IsNullOrEmpty(xmlData))
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{
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throw new ArgumentNullException(nameof(xmlData));
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}
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if (string.IsNullOrWhiteSpace(elementId))
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{
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throw new ArgumentNullException(nameof(elementId));
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}
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var document = XmlDocumentHelper.Create(xmlData);
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var signedXml = new XadesBesSignedXml(document, elementId)
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{
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CertificateMatcher = new CertificateMatcher(new GostCryptoProvider(this.cryptoProviderType))
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};
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signedXml.Validate();
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}
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public string Sign(string xmlData, string elementId, string certificateThumbprint, string certificatePassword)
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{
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if (string.IsNullOrEmpty(xmlData))
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{
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throw new ArgumentNullException(nameof(xmlData));
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}
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if (string.IsNullOrEmpty(elementId))
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{
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throw new ArgumentNullException(nameof(elementId));
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}
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if (string.IsNullOrEmpty(certificateThumbprint))
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{
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throw new ArgumentNullException(nameof(certificateThumbprint));
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}
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var originalDoc = XmlDocumentHelper.Create(xmlData);
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var certificate = CertificateHelper.GetCertificateByThumbprint(certificateThumbprint);
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var provider = new GostCryptoProvider(this.cryptoProviderType);
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var xadesSignedXml = new XadesBesSignedXml(originalDoc)
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{
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SignedElementId = elementId,
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CryptoProvider = provider
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};
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var element = xadesSignedXml.FindElement(elementId, originalDoc);
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if (element == null)
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{
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throw new InvalidOperationException($"<22><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> c Id {elementId}");
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}
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xadesSignedXml.ComputeSignature(certificate, certificatePassword);
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xadesSignedXml.InjectSignatureTo(originalDoc);
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return originalDoc.OuterXml;
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}
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}
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}
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