SerialNumber Property

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Gets the serial number of a certificate.

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

public string SerialNumber { get; }

Property Value

Type: System..::..String
The serial number of the certificate.

The serial number of the certificate is part of the original X.509 protocol. The serial number is a unique number issued by the certificate issuer, which is also called the Certificate Authority (CA).

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