internal RecipientInformation(
AlgorithmIdentifier keyEncAlg,
AlgorithmIdentifier messageAlgorithm,
ICmsSecureReadable secureReadable,
IAuthAttributesProvider additionalData)
{
this.keyEncAlg = keyEncAlg;
this.messageAlgorithm = messageAlgorithm;
this.secureReadable = secureReadable;
}
internal static RecipientInformationStore BuildRecipientInformationStore(
Asn1Set recipientInfos, AlgorithmIdentifier messageAlgorithm, ICmsSecureReadable secureReadable, IAuthAttributesProvider additionalData)
{
IList <RecipientInformation> infos = new List <RecipientInformation>();
for (int i = 0; i != recipientInfos.Count; i++)
{
RecipientInfo info = RecipientInfo.GetInstance(recipientInfos[i]);
readRecipientInfo(infos, info, messageAlgorithm, secureReadable, additionalData);
}
return(new RecipientInformationStore(infos));
}
internal KeyTransRecipientInformation(
KeyTransRecipientInfo info,
AlgorithmIdentifier messageAlgorithm,
ICmsSecureReadable secureReadable,
IAuthAttributesProvider additionalData) : base(info.KeyEncryptionAlgorithm, messageAlgorithm, secureReadable, additionalData)
{
this.info = info;
RecipientIdentifier r = info.RecipientIdentifier;
if (r.IsTagged)
{
Asn1OctetString octs = Asn1OctetString.GetInstance(r.ID);
rid = new KeyTransRecipientID(octs.GetOctets()) as IRecipientID <RecipientInformation>;
}
else
{
IssuerAndSerialNumber iAnds = IssuerAndSerialNumber.GetInstance(r.ID);
rid = new KeyTransRecipientID(iAnds.Name, iAnds.SerialNumber.Value) as IRecipientID <RecipientInformation>;
}
}
private static void readRecipientInfo(IList <RecipientInformation> infos, RecipientInfo info, AlgorithmIdentifier messageAlgorithm, ICmsSecureReadable secureReadable, IAuthAttributesProvider additionalData)
{
Asn1Encodable recipInfo = info.Info;
if (recipInfo is KeyTransRecipientInfo)
{
infos.Add(new KeyTransRecipientInformation(
(KeyTransRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData));
}
/*
* else if (recipInfo is KEKRecipientInfo)
* {
* infos.Add(new KEKRecipientInformation(
* (KEKRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData));
* }
* else if (recipInfo is KeyAgreeRecipientInfo)
* {
* KeyAgreeRecipientInformation.readRecipientInfo(infos,
* (KeyAgreeRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData);
* }
* else if (recipInfo is PasswordRecipientInfo)
* {
* infos.Add(new PasswordRecipientInformation(
* (PasswordRecipientInfo)recipInfo, messageAlgorithm, secureReadable, additionalData));
* }*/
}
internal static RecipientInformationStore BuildRecipientInformationStore(
Asn1Set recipientInfos, AlgorithmIdentifier messageAlgorithm, ICmsSecureReadable secureReadable)
{
return(BuildRecipientInformationStore(recipientInfos, messageAlgorithm, secureReadable, null));
}
