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Merge pull request #17 from SyncfusionExamples/EJDOTNETCORE-4295
EJDOTNETCORE-4295 Added sample for customized revocation validation and get LTV info
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‎Digital Signature/Adding-a-timestamp-in-digital-signature-of-PDF/.NET/Adding-a-timestamp-in-digital-signature-of-PDF/Program.cs‎

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//Creates a digital signature.
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PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
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//Change the digital signature standard and hashing algorithm.
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signature.Settings.CryptographicStandard = CryptographicStandard.CADES;
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signature.Settings.DigestAlgorithm = DigestAlgorithm.SHA512;
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//Sets an image for signature field.
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FileStream imageStream = new FileStream(Path.GetFullPath("../../../syncfusion_logo.png"), FileMode.Open, FileAccess.Read);
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‎Digital Signature/Customized-revocation-validation/Customized-revocation-validation.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.3.32901.215
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Customized-revocation-validation", "Customized-revocation-validation\Customized-revocation-validation.csproj", "{2D15430B-26B9-4B45-A05D-827810C81D67}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{2D15430B-26B9-4B45-A05D-827810C81D67}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{2D15430B-26B9-4B45-A05D-827810C81D67}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{2D15430B-26B9-4B45-A05D-827810C81D67}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{2D15430B-26B9-4B45-A05D-827810C81D67}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {C47797F2-938A-40CA-8904-6FCF1DE918D8}
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EndGlobalSection
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EndGlobal

‎Digital Signature/Customized-revocation-validation/Customized-revocation-validation/Customized-revocation-validation.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<RootNamespace>Customized_revocation_validation</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="20.3.0.60" />
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</ItemGroup>
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</Project>

‎Digital Signature/Customized-revocation-validation/Customized-revocation-validation/Input.pdf‎

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‎Digital Signature/Customized-revocation-validation/Customized-revocation-validation/Program.cs‎

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using Syncfusion.Pdf.Parsing;
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using Syncfusion.Pdf.Security;
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//Gets the stream from the document
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FileStream documentStream = new FileStream(Path.GetFullPath("../../../Input.pdf"), FileMode.Open, FileAccess.Read);
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//Loads an existing signed PDF document
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PdfLoadedDocument document = new PdfLoadedDocument(documentStream);
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// Gets the signature field
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PdfLoadedSignatureField signatureField = document.Form.Fields[0] as PdfLoadedSignatureField;
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// Signature validation options
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PdfSignatureValidationOptions options = new PdfSignatureValidationOptions();
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// Sets the revocation type
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options.RevocationValidationType = RevocationValidationType.Crl;
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// Validate signature and get validation result
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PdfSignatureValidationResult result = signatureField.ValidateSignature(options);
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// Closes the document
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document.Close(true);

‎Digital Signature/Deferred-signing-in-PDF-document/.NET/Deferred-signing-in-PDF-document/Program.cs‎

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static void Main(string[] args)
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{
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//Register Syncfusion license
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Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("MDAxQDMyMzAyZTMyMmUzMEpFWWZ3RUVveVJLeWJNTmpSaU5Gd0crYXpISyszcWxNcGo2QzVaRnd4aW89");
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CreateEmptySignedPDF();
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DeferredSign();
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}

‎Digital Signature/Enable-LTV-PDF-signature/.NET/Enable-LTV-PDF-signature/PDF.pfx‎

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‎Digital Signature/Enable-LTV-PDF-signature/.NET/Enable-LTV-PDF-signature/Program.cs‎

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//Creates a certificate instance from PFX file with private key.
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FileStream certificateStream = new FileStream(Path.GetFullPath("../../../PDF.pfx"), FileMode.Open, FileAccess.Read);
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PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
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PdfCertificate pdfCert = new PdfCertificate(certificateStream, "DigitalPass123");
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//Creates a digital signature.
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PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
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signature.Settings.CryptographicStandard = CryptographicStandard.CADES;
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signature.Settings.DigestAlgorithm = DigestAlgorithm.SHA256;
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//Sets an image for signature field.
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FileStream imageStream = new FileStream(Path.GetFullPath("../../../syncfusion_logo.png"), FileMode.Open, FileAccess.Read);

‎Digital Signature/Get-LTV-information/Get-LTV-information.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.3.32901.215
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Get-LTV-information", "Get-LTV-information\Get-LTV-information.csproj", "{A44A2258-14A3-48EC-A261-EFBBC062F4E6}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{A44A2258-14A3-48EC-A261-EFBBC062F4E6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{A44A2258-14A3-48EC-A261-EFBBC062F4E6}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A44A2258-14A3-48EC-A261-EFBBC062F4E6}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A44A2258-14A3-48EC-A261-EFBBC062F4E6}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {325FB01E-627E-48D6-A6B5-2E12D62DBF96}
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EndGlobalSection
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EndGlobal

‎Digital Signature/Get-LTV-information/Get-LTV-information/Get-LTV-information.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<RootNamespace>Get_LTV_information</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="20.3.0.60" />
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</ItemGroup>
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</Project>

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