public CmsEnvelopedData(
ContentInfo contentInfo)
{
this.contentInfo = contentInfo;
try
{
EnvelopedData envData = EnvelopedData.GetInstance(contentInfo.Content);
if (envData.OriginatorInfo != null)
{
originatorInfo = new OriginatorInformation(envData.OriginatorInfo);
}
//
// read the recipients
//
Asn1Set recipientInfos = envData.RecipientInfos;
//
// read the encrypted content info
//
EncryptedContentInfo encInfo = envData.EncryptedContentInfo;
this.encAlg = encInfo.ContentEncryptionAlgorithm;
CmsReadable readable = new CmsProcessableByteArray(encInfo.EncryptedContent.GetOctets());
ICmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsEnvelopedSecureReadable(
this.encAlg, readable);
//
// build the RecipientInformationStore
//
this.recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(
recipientInfos, this.encAlg, secureReadable);
this.unprotectedAttributes = envData.UnprotectedAttrs;
}
catch (Exception e)
{
throw new CmsException("malformed content", e);
}
}
public void SetOriginatorInfo(OriginatorInformation originatorInfo)
{
this.originatorInfo = originatorInfo.ToAsn1Structure();
}