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X509Certificate.GetSerialNumber Method

Returns the serial number of the X.509v3 certificate as an array of bytes.

Namespace:  System.Security.Cryptography.X509Certificates
Assembly:  mscorlib (in mscorlib.dll)

abstract GetSerialNumber : unit -> byte[] 
override GetSerialNumber : unit -> byte[] 

Return Value

Type: System.Byte[]
The serial number of the X.509 certificate as an array of bytes.

ExceptionCondition
CryptographicException

The certificate context is invalid.

The following example uses the GetSerialNumber method to return a certificate's serial number as an array of bytes and displays it to the console.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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