public CmsEnvelopedData( ContentInfo contentInfo) { this.contentInfo = contentInfo; EnvelopedData envData = EnvelopedData.GetInstance(contentInfo.Content); // // read the recipients // Asn1Set recipientInfos = envData.RecipientInfos; // // read the encrypted content info // EncryptedContentInfo encInfo = envData.EncryptedContentInfo; this.encAlg = encInfo.ContentEncryptionAlgorithm; ICmsReadable readable = new CmsProcessableByteArray(encInfo.EncryptedContent.GetOctets()); CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsEnvelopedSecureReadable( this.encAlg, readable); // // build the RecipientInformationStore // this.recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore( recipientInfos, secureReadable); this.unprotectedAttributes = envData.UnprotectedAttrs; }
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; ICmsReadable 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; }