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X509Certificate Constructor (Byte[])

Initializes a new instance of the X509Certificate class defined from a sequence of bytes representing an X.509v3 certificate.

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

new : 
        data:byte[] -> X509Certificate

Parameters

data
Type: System.Byte[]

A byte array containing data from an X.509 certificate.

ExceptionCondition
CryptographicException

An error with the certificate occurs. For example:

  • The certificate file does not exist.

  • The certificate is invalid.

  • The certificate's password is incorrect.

ArgumentException

The rawData parameter is a null reference (Nothing in Visual Basic).

-or-

The length of the rawData parameter is 0.

ASN.1 DER is the only certificate format supported by this class.

If you create an X509Certificate certificate by specifying a PKCS7 signed file store for data, the X509Certificate is created for the certificate that signed the store rather than for any of the certificates within the store.

The following example loads an X.509 certificate file into an X509Certificate object, exports the certificate as a byte array, and then imports the byte array into another X509Certificate object.

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

.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

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