https://pt.stackoverflow.com/q/55783/101 | C# Online Compiler

https://pt.stackoverflow.com/q/55783/101 by bigown

using static System.Console;
using System.Text;
using System.Security.Cryptography.X509Certificates;

public class Program {
	public static void Main() {
		var texto = @"Certificate:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
";
		var x509 = new X509Certificate2(Encoding.ASCII.GetBytes(texto));
		byte[] rawData = x509.RawData;
		WriteLine($"Content Type: {X509Certificate2.GetCertContentType(rawData)}");
		WriteLine($"Serial Number: {x509.SerialNumber}");
		WriteLine($"Friendly Name: {x509.FriendlyName}");
		WriteLine($"Certificate Verified?: {x509.Verify()}");
		WriteLine($"Simple Name: {x509.GetNameInfo(X509NameType.SimpleName, true)}");
		WriteLine($"Signature Algorithm Name: {x509.SignatureAlgorithm.FriendlyName}");
		WriteLine($"Public Key: {x509.PublicKey.Key.ToXmlString(false)}");
		WriteLine($"Certificate Archived?: {x509.Archived}");
		WriteLine($"Subject: {x509.Subject}");
		WriteLine($"Issuer: {x509.Issuer}");
		WriteLine($"Version: {x509.Version}");
		WriteLine($"Valid Date: {x509.NotBefore}");
		WriteLine($"Expiry Date: {x509.NotAfter}");
		WriteLine($"Thumbprint: {x509.Thumbprint}");
		WriteLine($"Serial Number: {x509.SerialNumber}");
		WriteLine($"Friendly Name: {x509.PublicKey.Oid.FriendlyName}");
		WriteLine($"Public Key Format: {x509.PublicKey.EncodedKeyValue.Format(true)}");
		WriteLine($"Raw Data Length: {x509.RawData.Length}");
		WriteLine($"Certificate to string: {x509.ToString(true)}");
	}
}

​x
 
using static System.Console;
using System.Text;
using System.Security.Cryptography.X509Certificates;
​
public class Program {
    public static void Main() {
        var texto = @"Certificate:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
";
        var x509 = new X509Certificate2(Encoding.ASCII.GetBytes(texto));
        byte[] rawData = x509.RawData;
        WriteLine($"Content Type: {X509Certificate2.GetCertContentType(rawData)}");
        WriteLine($"Serial Number: {x509.SerialNumber}");
        WriteLine($"Friendly Name: {x509.FriendlyName}");
        WriteLine($"Certificate Verified?: {x509.Verify()}");
        WriteLine($"Simple Name: {x509.GetNameInfo(X509NameType.SimpleName, true)}");
        WriteLine($"Signature Algorithm Name: {x509.SignatureAlgorithm.FriendlyName}");
        WriteLine($"Public Key: {x509.PublicKey.Key.ToXmlString(false)}");
        WriteLine($"Certificate Archived?: {x509.Archived}");
        WriteLine($"Subject: {x509.Subject}");
        WriteLine($"Issuer: {x509.Issuer}");
        WriteLine($"Version: {x509.Version}");
        WriteLine($"Valid Date: {x509.NotBefore}");
        WriteLine($"Expiry Date: {x509.NotAfter}");
        WriteLine($"Thumbprint: {x509.Thumbprint}");
        WriteLine($"Serial Number: {x509.SerialNumber}");
        WriteLine($"Friendly Name: {x509.PublicKey.Oid.FriendlyName}");
        WriteLine($"Public Key Format: {x509.PublicKey.EncodedKeyValue.Format(true)}");
        WriteLine($"Raw Data Length: {x509.RawData.Length}");
        WriteLine($"Certificate to string: {x509.ToString(true)}");
    }
}

Content Type: Cert
Serial Number: 01
Friendly Name:
Certificate Verified?: False
Simple Name: Freelan Sample Certificate Authority
Signature Algorithm Name: sha1RSA
Public Key: <RSAKeyValue><Modulus>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</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>
Certificate Archived?: False
Subject: E=contact@freelan.org, CN=alice, OU=freelan, O=www.freelan.org, S=Alsace, C=FR
Issuer: E=contact@freelan.org, CN=Freelan Sample Certificate Authority, OU=freelan, O=www.freelan.org, L=Strasbourg, S=Alsace, C=FR
Version: 3
Valid Date: 04/27/2012 10:31:18
Expiry Date: 04/25/2022 10:31:18
Thumbprint: 0EA49F0D1F89AE839E96C3665BEB4FF6D0033C33
Serial Number: 01
Friendly Name: RSA
Public Key Format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
Raw Data Length: 1579
Certificate to string: [Version]
  V3

[Subject]
  E=contact@freelan.org, CN=alice, OU=freelan, O=www.freelan.org, S=Alsace, C=FR
  Simple Name: alice
  Email Name: contact@freelan.org
  DNS Name: alice

[Issuer]
  E=contact@freelan.org, CN=Freelan Sample Certificate Authority, OU=freelan, O=www.freelan.org, L=Strasbourg, S=Alsace, C=FR
  Simple Name: Freelan Sample Certificate Authority
  Email Name: contact@freelan.org
  DNS Name: Freelan Sample Certificate Authority

[Serial Number]
  01

[Not Before]
  04/27/2012 10:31:18

[Not After]
  04/25/2022 10:31:18

[Thumbprint]
  0EA49F0D1F89AE839E96C3665BEB4FF6D0033C33

[Signature Algorithm]
  sha1RSA(1.2.840.113549.1.1.5)

[Public Key]
  Algorithm: RSA
  Length: 4096
  Key Blob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
  Parameters: 0500

[Extensions]
* X509v3 Basic Constraints(2.5.29.19):
  CA:FALSE
* Netscape Comment(2.16.840.1.113730.1.13):
  OpenSSL Generated Certificate
* X509v3 Subject Key Identifier(2.5.29.14):
  59:5F:C9:13:BA:1B:CC:B9:A8:41:4A:8A:49:79:6A:36:F6:7D:3E:D7
* X509v3 Authority Key Identifier(2.5.29.35):
  23:6C:2D:3D:3E:29:5D:78:B8:6C:3E:AA:E2:BB:2E:1E:6C:87:F2:53

Cached Result
Last Run:	10:17:56 am
Compile:	0.011s
Execute:	0.21s
Memory:	17.31Mb
CPU:	0.221s

View IL Code