Class X509Certificate

Provides methods that help you use X.509 v.3 certificates.

Inheritance

Object

X509Certificate

X509Certificate2

Inherited Members

Object.ToString()

Object.Equals(Object)

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Namespace: System.Security.Cryptography.X509Certificates

Assembly: System.Net.dll

Syntax

public class X509Certificate

Remarks

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

Constructors

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X509Certificate()

Initializes a new instance of the X509Certificate class.

Declaration

public X509Certificate()

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X509Certificate(Byte[])

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

Declaration

public X509Certificate(byte[] certificate)

Parameters

Type	Name	Description
Byte[]	certificate	A byte array containing data from an X.509 certificate.

Remarks

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

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X509Certificate(Byte[], String)

Initializes a new instance of the X509Certificate class using a byte array and a password.

Declaration

public X509Certificate(byte[] certificate, string password)

Parameters

Type	Name	Description
Byte[]	certificate	A byte array containing data from an X.509 certificate.
String	password	The password required to access the X.509 certificate data.

Remarks

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

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X509Certificate(String)

Initializes a new instance of the X509Certificate class defined from a string with the content of an X.509v3 certificate.

Declaration

public X509Certificate(string certificate)

Parameters

Type	Name	Description
String	certificate	A string containing a X.509 certificate.

Remarks

ASN.1 DER is the only certificate format supported by this class. This methods is exclusive of nanoFramework. The equivalent .NET constructor accepts a file name as the parameter.

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X509Certificate(String, String)

Initializes a new instance of the X509Certificate class defined from a string with the content of an X.509v3 certificate.

Declaration

public X509Certificate(string certificate, string password)

Parameters

Type	Name	Description
String	certificate	A string containing a X.509 certificate.
String	password	The password required to access the X.509 certificate data.

Remarks

ASN.1 DER is the only certificate format supported by this class. This methods is exclusive of nanoFramework. The equivalent .NET constructor accepts a file name as the parameter.

Fields

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_effectiveDate

Contains the effective date of the certificate.

Declaration

protected DateTime _effectiveDate

Field Value

Type	Description
DateTime

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_expirationDate

Contains the expiration date of the certificate.

Declaration

protected DateTime _expirationDate

Field Value

Type	Description
DateTime

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_handle

Contains the handle.

Declaration

protected byte[] _handle

Field Value

Type	Description
Byte[]

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_issuer

Contains the certificate issuer.

Declaration

protected string _issuer

Field Value

Type	Description
String

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_sessionHandle

Contains the session handle.

Declaration

protected byte[] _sessionHandle

Field Value

Type	Description
Byte[]

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_subject

Contains the subject.

Declaration

protected string _subject

Field Value

Type	Description
String

Properties

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Issuer

Gets the name of the certificate authority that issued the X.509v3 certificate.

Declaration

public virtual string Issuer { get; }

Property Value

Type	Description
String	The name of the certificate authority that issued the X.509v3 certificate.

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Subject

Gets the subject distinguished name from the certificate.

Declaration

public virtual string Subject { get; }

Property Value

Type	Description
String	The subject distinguished name from the certificate.

Methods

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GetEffectiveDate()

Returns the effective date of this X.509v3 certificate.

Declaration

public virtual DateTime GetEffectiveDate()

Returns

Type	Description
DateTime	The effective date for this X.509 certificate.

Remarks

This methods is exclusive of nanoFramework. The equivalent .NET method is GetEffectiveDateString().

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GetExpirationDate()

Returns the expiration date of this X.509v3 certificate.

Declaration

public virtual DateTime GetExpirationDate()

Returns

Type	Description
DateTime	The expiration date for this X.509 certificate.

Remarks

This methods is exclusive of nanoFramework. The equivalent .NET method is GetExpirationDateString().

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GetRawCertData()

Returns the raw data for the entire X.509v3 certificate as an array of bytes.

Declaration

public virtual byte[] GetRawCertData()

Returns

Type	Description
Byte[]	A byte array containing the X.509 certificate data.

Extension Methods

LogDispatcher.GetCurrentClassLogger(Object)