public CmsAuthenticatedDataParser(Stream envelopedData)
: base(envelopedData)
{
authAttrNotRead = true;
authData = new AuthenticatedDataParser((Asn1SequenceParser)contentInfo.GetContent(16));
Asn1Set instance = Asn1Set.GetInstance(authData.GetRecipientInfos().ToAsn1Object());
macAlg = authData.GetMacAlgorithm();
ContentInfoParser enapsulatedContentInfo = authData.GetEnapsulatedContentInfo();
CmsReadable readable = new CmsProcessableInputStream(((Asn1OctetStringParser)enapsulatedContentInfo.GetContent(4)).GetOctetStream());
CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsAuthenticatedSecureReadable(macAlg, readable);
_recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(instance, secureReadable);
}
public CmsAuthenticatedData(ContentInfo contentInfo)
{
this.contentInfo = contentInfo;
AuthenticatedData instance = AuthenticatedData.GetInstance(contentInfo.Content);
Asn1Set recipientInfos = instance.RecipientInfos;
macAlg = instance.MacAlgorithm;
ContentInfo encapsulatedContentInfo = instance.EncapsulatedContentInfo;
CmsReadable readable = new CmsProcessableByteArray(Asn1OctetString.GetInstance(encapsulatedContentInfo.Content).GetOctets());
CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsAuthenticatedSecureReadable(macAlg, readable);
recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(recipientInfos, secureReadable);
authAttrs = instance.AuthAttrs;
mac = instance.Mac.GetOctets();
unauthAttrs = instance.UnauthAttrs;
}
