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EnvelopedCms Constructor (SubjectIdentifierType, ContentInfo)

The EnvelopedCms(SubjectIdentifierType, ContentInfo) constructor creates an instance of the EnvelopedCms class by using the specified subject identifier type and content information. The specified content information is to be used as the inner content type.

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

public EnvelopedCms(
	SubjectIdentifierType recipientIdentifierType,
	ContentInfo contentInfo


Type: System.Security.Cryptography.Pkcs.SubjectIdentifierType

A member of the SubjectIdentifierType enumeration that specifies the means of identifying the recipient.

Type: System.Security.Cryptography.Pkcs.ContentInfo

A ContentInfo object that represents the content and its type.


A null reference was passed to a method that does not accept it as a valid argument.

For the default property values used with this constructor, see EnvelopedCms().

Subjects can be identified by either the issuer and serial number of their public key certificate or by the key identifier of their public key certificate.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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