C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Xml;
using System.Security.Cryptography.Xml;

public class VerifyTest
{
    private static String signedXml = 
@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""no""?>
<Response xmlns=""http://www.site.ae/abc"">
	<Message id=""message"">
		<Header>
			<SomeDate>SomValue</SomeDate>
		</Header>
		<Body xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xsi:type=""SomeDataType"">
			<SomeStatus>Success</SomeStatus>
		</Body>
	</Message>
	<Signature xmlns=""http://www.w3.org/2000/09/xmldsig#"">
		<SignedInfo>
			<CanonicalizationMethod Algorithm=""http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments""/>
			<SignatureMethod Algorithm=""http://www.w3.org/2001/04/xmldsig-more#rsa-sha256""/>
			<Reference URI=""#message"">
				<Transforms>
					<Transform Algorithm=""http://www.w3.org/2000/09/xmldsig#enveloped-signature""/>
				</Transforms>
				<DigestMethod Algorithm=""http://www.w3.org/2001/04/xmlenc#sha256""/>
				<DigestValue>hXuAfCAwKQIH1lGErMom2yO//25Pbyn1eXEmcEL1Rtk=</DigestValue>
			</Reference>
		</SignedInfo>
		<SignatureValue>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</SignatureValue>
		<KeyInfo>
			<X509Data>
				<X509Certificate>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</X509Certificate>
			</X509Data>
		</KeyInfo>
	</Signature>
</Response>";

    public static void Main(String[] args)
    {
		// Print XML document
		Console.WriteLine(VerifyTest.signedXml);

		// Load signed XML document
		XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(VerifyTest.signedXml);

        // Verify
        SignedXml signedXml = new SignedXml(xmlDoc);
        XmlNodeList nodeList = xmlDoc.GetElementsByTagName("Signature");
        signedXml.LoadXml((XmlElement)nodeList[0]);
        bool verified =  signedXml.CheckSignature();
		Console.WriteLine(new string('-', 100) + "\nVerified: " + verified);
    }
}

​x
 
using System;
using System.Xml;
using System.Security.Cryptography.Xml;
​
public class VerifyTest
{
    private static String signedXml = 
@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""no""?>
<Response xmlns=""http://www.site.ae/abc"">
    <Message id=""message"">
        <Header>
            <SomeDate>SomValue</SomeDate>
        </Header>
        <Body xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xsi:type=""SomeDataType"">
            <SomeStatus>Success</SomeStatus>
        </Body>
    </Message>
    <Signature xmlns=""http://www.w3.org/2000/09/xmldsig#"">
        <SignedInfo>
            <CanonicalizationMethod Algorithm=""http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments""/>
            <SignatureMethod Algorithm=""http://www.w3.org/2001/04/xmldsig-more#rsa-sha256""/>
            <Reference URI=""#message"">
                <Transforms>
                    <Transform Algorithm=""http://www.w3.org/2000/09/xmldsig#enveloped-signature""/>
                </Transforms>
                <DigestMethod Algorithm=""http://www.w3.org/2001/04/xmlenc#sha256""/>
                <DigestValue>hXuAfCAwKQIH1lGErMom2yO//25Pbyn1eXEmcEL1Rtk=</DigestValue>
            </Reference>
        </SignedInfo>
        <SignatureValue>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</SignatureValue>
        <KeyInfo>
            <X509Data>
                <X509Certificate>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</X509Certificate>
            </X509Data>
        </KeyInfo>
    </Signature>
</Response>";
​
    public static void Main(String[] args)
    {
        // Print XML document
        Console.WriteLine(VerifyTest.signedXml);
​
        // Load signed XML document
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(VerifyTest.signedXml);
​
        // Verify
        SignedXml signedXml = new SignedXml(xmlDoc);
        XmlNodeList nodeList = xmlDoc.GetElementsByTagName("Signature");
        signedXml.LoadXml((XmlElement)nodeList[0]);
        bool verified =  signedXml.CheckSignature();
        Console.WriteLine(new string('-', 100) + "\nVerified: " + verified);
    }
}

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Cached Result
Last Run:	11:27:10 pm
Compile:	0.111s
Execute:	0s
Memory:	32kb
CPU:	0s

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