private void Reset(int version)
{
this.m_version = version;
this.m_recipientIdentifier = (SubjectIdentifier)null;
this.m_encryptionAlgorithm = (AlgorithmIdentifier)null;
this.m_encryptedKey = new byte[0];
}
private void Reset(uint originatorChoice, uint version, CAPI.CMSG_RECIPIENT_ENCRYPTED_KEY_INFO encryptedKeyInfo, uint subIndex)
{
this.m_encryptedKeyInfo = encryptedKeyInfo;
this.m_originatorChoice = originatorChoice;
this.m_version = (int)version;
this.m_originatorIdentifier = (SubjectIdentifierOrKey)null;
this.m_userKeyMaterial = new byte[0];
this.m_encryptionAlgorithm = (AlgorithmIdentifier)null;
this.m_recipientIdentifier = (SubjectIdentifier)null;
this.m_encryptedKey = new byte[0];
this.m_date = DateTime.MinValue;
this.m_otherKeyAttribute = (CryptographicAttributeObject)null;
this.m_subIndex = subIndex;
}
internal static X509Certificate2 FindCertificate(SubjectIdentifier identifier, X509Certificate2Collection certificates)
{
X509Certificate2 x509Certificate2 = (X509Certificate2)null;
if (certificates != null && certificates.Count > 0)
{
switch (identifier.Type)
{
case SubjectIdentifierType.IssuerAndSerialNumber:
X509Certificate2Collection certificate2Collection1 = certificates.Find(X509FindType.FindByIssuerDistinguishedName, (object)((X509IssuerSerial)identifier.Value).IssuerName, false);
if (certificate2Collection1.Count > 0)
{
X509Certificate2Collection certificate2Collection2 = certificate2Collection1.Find(X509FindType.FindBySerialNumber, (object)((X509IssuerSerial)identifier.Value).SerialNumber, false);
if (certificate2Collection2.Count > 0)
{
x509Certificate2 = certificate2Collection2[0];
break;
}
else
{
break;
}
}
else
{
break;
}
case SubjectIdentifierType.SubjectKeyIdentifier:
X509Certificate2Collection certificate2Collection3 = certificates.Find(X509FindType.FindBySubjectKeyIdentifier, identifier.Value, false);
if (certificate2Collection3.Count > 0)
{
x509Certificate2 = certificate2Collection3[0];
break;
}
else
{
break;
}
}
}
return(x509Certificate2);
}