public CmsAuthenticatedData(
ContentInfo contentInfo)
{
this.contentInfo = contentInfo;
AuthenticatedData authData = AuthenticatedData.GetInstance(contentInfo.Content);
//
// read the encapsulated content info
//
ContentInfo encInfo = authData.EncapsulatedContentInfo;
this.macAlg = authData.MacAlgorithm;
this.mac = authData.Mac.GetOctets();
//
// load the RecipientInfoStore
//
byte[] contentOctets = Asn1OctetString.GetInstance(encInfo.Content).GetOctets();
IList infos = CmsEnvelopedHelper.ReadRecipientInfos(
authData.RecipientInfos, contentOctets, null, macAlg, null);
this.authAttrs = authData.AuthAttrs;
this.recipientInfoStore = new RecipientInformationStore(infos);
this.unauthAttrs = authData.UnauthAttrs;
}
public CmsAuthenticatedData(
ContentInfo contentInfo)
{
this.contentInfo = contentInfo;
AuthenticatedData authData = AuthenticatedData.GetInstance(contentInfo.Content);
//
// read the recipients
//
Asn1Set recipientInfos = authData.RecipientInfos;
this.macAlg = authData.MacAlgorithm;
//
// read the authenticated content info
//
ContentInfo encInfo = authData.EncapsulatedContentInfo;
CmsReadable readable = new CmsProcessableByteArray(
Asn1OctetString.GetInstance(encInfo.Content).GetOctets());
CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsAuthenticatedSecureReadable(
this.macAlg, readable);
//
// build the RecipientInformationStore
//
this.recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(
recipientInfos, secureReadable);
this.authAttrs = authData.AuthAttrs;
this.mac = authData.Mac.GetOctets();
this.unauthAttrs = authData.UnauthAttrs;
}
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;
}