Class X509Certificate2

Represents an X.509 certificate.

Inheritance
object
X509Certificate
X509Certificate2
Inherited Members
Namespace: System.Security.Cryptography.X509Certificates
Assembly: System.Net.dll
Syntax
public class X509Certificate2 : X509Certificate

Constructors

X509Certificate2()

Initializes a new instance of the X509Certificate2 class.

Declaration
public X509Certificate2()

X509Certificate2(byte[], byte[], string)

Initializes a new instance of the X509Certificate2 class using a string with the content of an X.509 public certificate, the private key and a password used to access the certificate.

Declaration
public X509Certificate2(byte[] rawData, byte[] key, string password)
Parameters
Type Name Description
byte[] rawData

A byte array containing data from an X.509 certificate.
byte[] key

A byte array containing a PEM private key.
string password

The password required to decrypt the private key. null if the rawData or key are not encrypted.
Remarks

This methods is exclusive of nanoFramework. There is no equivalent in .NET framework.

X509Certificate2(byte[], string, string)

Initializes a new instance of the X509Certificate2 class using a string with the content of an X.509 public certificate, the private key and a password used to access the certificate.

Declaration
public X509Certificate2(byte[] rawData, string key, string password)
Parameters
Type Name Description
byte[] rawData

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

A string containing a private key in PEM or DER format.
string password

The password required to decrypt the private key. Set to null if the rawData or key are not encrypted and do not require a password.
Remarks

This methods is exclusive of .NET nanoFramework. There is no equivalent in .NET framework.

X509Certificate2(byte[])

Initializes a new instance of the X509Certificate2 class using information from a byte array.

Declaration
public X509Certificate2(byte[] rawData)
Parameters
Type Name Description
byte[] rawData

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

X509Certificate2(string, string, string)

Initializes a new instance of the X509Certificate2 class using a string with the content of an X.509 public certificate, the private key and a password used to access the private key.

Declaration
public X509Certificate2(string rawData, string key, string password)
Parameters
Type Name Description
string rawData

A string containing a X.509 certificate.
string key

A string containing a private key in PEM or DER format.
string password

The password required to decrypt the private key. Set to null if the rawData or key are not encrypted and do not require a password.
Remarks

This methods is exclusive of .NET nanoFramework. There is no equivalent in .NET framework.

X509Certificate2(string)

Initializes a new instance of the X509Certificate2 class using a string with the content of an X.509 certificate.

Declaration
public X509Certificate2(string certificate)
Parameters
Type Name Description
string certificate

A string containing a X.509 certificate.
Remarks

This methods is exclusive of .NET nanoFramework. The equivalent .NET constructor accepts a file name as the parameter.

Properties

HasPrivateKey

Gets a value that indicates whether an X509Certificate2 object contains a private key.

Declaration
public bool HasPrivateKey { get; }
Property Value
Type Description
bool

true if the X509Certificate2 object contains a private key; otherwise, false.

NotAfter

Gets the date (in UTC time) after which a certificate is no longer valid.

Declaration
public DateTime NotAfter { get; }
Property Value
Type Description
DateTime

A DateTime object that represents the expiration date for the certificate.

NotBefore

Gets the date (in UTC time) on which a certificate becomes valid.

Declaration
public DateTime NotBefore { get; }
Property Value
Type Description
DateTime

A DateTime object that represents the effective date of the certificate.

PrivateKey

Gets the private key, null if there isn't a private key.

Declaration
public byte[] PrivateKey { get; }
Property Value
Type Description
byte[]
Remarks

This will give you access directly to the raw decoded byte array of the private key

PublicKey

Gets the public key.

Declaration
public byte[] PublicKey { get; }
Property Value
Type Description
byte[]
Remarks

This will give you access directly to the raw decoded byte array of the public key.

RawData

Gets the raw data of a certificate.

Declaration
public byte[] RawData { get; }
Property Value
Type Description
byte[]

The raw data of the certificate as a byte array.

Extension Methods