Class X509CertificateInfo

A parsed X.509 certificate (RFC 5280). Read-only. Exposes the fields needed for CMS signing and verification.

Inheritance

object

X509CertificateInfo

Inherited Members

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

Namespace: DRIT.Mail.Rfc.Crypto.X509

Assembly: DRIT.Mail.dll

Syntax

public sealed class X509CertificateInfo

Constructors

X509CertificateInfo(int, byte[], AlgorithmIdentifier, X509Name, DateTime, DateTime, X509Name, SubjectPublicKeyInfo, byte[], byte[])

Initializes a new instance of the X509CertificateInfo class.

Declaration

public X509CertificateInfo(int version, byte[] serialNumber, AlgorithmIdentifier signatureAlgorithm, X509Name issuer, DateTime notBefore, DateTime notAfter, X509Name subject, SubjectPublicKeyInfo subjectPublicKeyInfo, byte[] rawData, byte[] tbsRawData)

Parameters

Type	Name	Description
int	version
byte[]	serialNumber
AlgorithmIdentifier	signatureAlgorithm
X509Name	issuer
DateTime	notBefore
DateTime	notAfter
X509Name	subject
SubjectPublicKeyInfo	subjectPublicKeyInfo
byte[]	rawData
byte[]	tbsRawData

Properties

IsValidNow

Gets a value indicating whether the certificate is currently within its validity period (based on UTC now).

Declaration

public bool IsValidNow { get; }

Property Value

Type	Description
bool

Issuer

Gets the issuer distinguished name.

Declaration

public X509Name Issuer { get; }

Property Value

Type	Description
X509Name

NotAfter

Gets the end of the validity period (UTC).

Declaration

public DateTime NotAfter { get; }

Property Value

Type	Description
DateTime

NotBefore

Gets the start of the validity period (UTC).

Declaration

public DateTime NotBefore { get; }

Property Value

Type	Description
DateTime

RawData

Gets the full DER-encoded certificate bytes.

Declaration

public byte[] RawData { get; }

Property Value

Type	Description
byte[]

SerialNumber

Gets the serial number as big-endian bytes.

Declaration

public byte[] SerialNumber { get; }

Property Value

Type	Description
byte[]

SignatureAlgorithm

Gets the signature algorithm identifier from the outer Certificate structure.

Declaration

public AlgorithmIdentifier SignatureAlgorithm { get; }

Property Value

Type	Description
AlgorithmIdentifier

Subject

Gets the subject distinguished name.

Declaration

public X509Name Subject { get; }

Property Value

Type	Description
X509Name

SubjectPublicKeyInfo

Gets the subject public key info.

Declaration

public SubjectPublicKeyInfo SubjectPublicKeyInfo { get; }

Property Value

Type	Description
SubjectPublicKeyInfo

TbsRawData

Gets the DER-encoded tbsCertificate bytes (for signature verification).

Declaration

public byte[] TbsRawData { get; }

Property Value

Type	Description
byte[]

Version

Gets the certificate version (1, 2, or 3).

Declaration

public int Version { get; }

Property Value

Type	Description
int