public CmsAuthEnvelopedData(
ContentInfo contentInfo)
{
this.contentInfo = contentInfo;
AuthEnvelopedData authEnvData = AuthEnvelopedData.GetInstance(contentInfo.Content);
this.originator = authEnvData.OriginatorInfo;
//
// read the recipients
//
Asn1Set recipientInfos = authEnvData.RecipientInfos;
//
// read the auth-encrypted content info
//
EncryptedContentInfo authEncInfo = authEnvData.AuthEncryptedContentInfo;
this.authEncAlg = authEncInfo.ContentEncryptionAlgorithm;
CmsSecureReadable secureReadable = new AuthEnvelopedSecureReadable(this);
//
// build the RecipientInformationStore
//
this.recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(
recipientInfos, secureReadable);
// FIXME These need to be passed to the AEAD cipher as AAD (Additional Authenticated Data)
this.authAttrs = authEnvData.AuthAttrs;
this.mac = authEnvData.Mac.GetOctets();
this.unauthAttrs = authEnvData.UnauthAttrs;
}
public CmsAuthEnvelopedData(ContentInfo contentInfo)
{
this.contentInfo = contentInfo;
AuthEnvelopedData instance = AuthEnvelopedData.GetInstance(contentInfo.Content);
originator = instance.OriginatorInfo;
Asn1Set recipientInfos = instance.RecipientInfos;
EncryptedContentInfo authEncryptedContentInfo = instance.AuthEncryptedContentInfo;
authEncAlg = authEncryptedContentInfo.ContentEncryptionAlgorithm;
CmsSecureReadable secureReadable = new AuthEnvelopedSecureReadable(this);
recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(recipientInfos, secureReadable);
authAttrs = instance.AuthAttrs;
mac = instance.Mac.GetOctets();
unauthAttrs = instance.UnauthAttrs;
}
