CmsSigner(Stream, String, SubjectIdentifierType) Constructor

Initialize a new instance of the CmsSigner class.

Namespace: MimeKit.Cryptography
Assembly: MimeKit (in MimeKit.dll) Version: 4.7.1

Syntax

public CmsSigner(
	Stream stream,
	string password,
	SubjectIdentifierType signerIdentifierType = SubjectIdentifierType.IssuerAndSerialNumber
)

stream Stream: The raw certificate and key data in pkcs12 format.
password String: The password to unlock the stream.
signerIdentifierType SubjectIdentifierType (Optional): The scheme used for identifying the signer certificate.

Exceptions

Exception	Condition
ArgumentNullException	stream is null. -or- password is null.
ArgumentException	stream does not contain a private key. -or- stream does not contain a certificate that could be used for signing.
IOException	An I/O error occurred.

Exception

Condition

stream is null.

-or-

password is null.

stream does not contain a private key.

-or-

stream does not contain a certificate that could be used for signing.

An I/O error occurred.

Remarks

Creates a new CmsSigner, loading the X.509 certificate and private key from the specified stream.

The initial value of the DigestAlgorithm will be set to Sha256 and both the SignedAttributes and UnsignedAttributes properties will be initialized to empty tables.