}
//
// read the encrypted content info
//
EncryptedContentInfoParser encInfo = _envelopedData.getEncryptedContentInfo();
this._encAlg = encInfo.getContentEncryptionAlgorithm();
//
// prime the recipients
//
List infos = new ArrayList();
Iterator it = baseInfos.iterator();
InputStream dataStream = ((ASN1OctetStringParser)encInfo.getEncryptedContent(DERTags.OCTET_STRING)).getOctetStream();
while (it.hasNext())
{
RecipientInfo info = (RecipientInfo)it.next();
DEREncodable recipInfo = info.getInfo();