141 lines
3.1 KiB
C#
141 lines
3.1 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
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{
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/**
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* containing class for an CMS Authenticated Data object
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*/
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public class CmsAuthenticatedData
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{
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internal RecipientInformationStore recipientInfoStore;
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internal ContentInfo contentInfo;
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private AlgorithmIdentifier macAlg;
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private Asn1Set authAttrs;
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private Asn1Set unauthAttrs;
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private byte[] mac;
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public CmsAuthenticatedData(
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byte[] authData)
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: this(CmsUtilities.ReadContentInfo(authData))
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{
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}
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public CmsAuthenticatedData(
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Stream authData)
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: this(CmsUtilities.ReadContentInfo(authData))
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{
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}
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public CmsAuthenticatedData(
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ContentInfo contentInfo)
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{
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this.contentInfo = contentInfo;
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AuthenticatedData authData = AuthenticatedData.GetInstance(contentInfo.Content);
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//
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// read the recipients
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//
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Asn1Set recipientInfos = authData.RecipientInfos;
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this.macAlg = authData.MacAlgorithm;
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//
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// read the authenticated content info
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//
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ContentInfo encInfo = authData.EncapsulatedContentInfo;
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CmsReadable readable = new CmsProcessableByteArray(
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Asn1OctetString.GetInstance(encInfo.Content).GetOctets());
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CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsAuthenticatedSecureReadable(
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this.macAlg, readable);
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//
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// build the RecipientInformationStore
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//
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this.recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(
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recipientInfos, secureReadable);
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this.authAttrs = authData.AuthAttrs;
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this.mac = authData.Mac.GetOctets();
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this.unauthAttrs = authData.UnauthAttrs;
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}
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public byte[] GetMac()
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{
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return Arrays.Clone(mac);
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}
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public AlgorithmIdentifier MacAlgorithmID
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{
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get { return macAlg; }
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}
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/**
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* return the object identifier for the content MAC algorithm.
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*/
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public string MacAlgOid
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{
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get { return macAlg.Algorithm.Id; }
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}
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/**
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* return a store of the intended recipients for this message
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*/
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public RecipientInformationStore GetRecipientInfos()
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{
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return recipientInfoStore;
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}
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/**
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* return the ContentInfo
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*/
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public ContentInfo ContentInfo
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{
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get { return contentInfo; }
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}
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/**
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* return a table of the digested attributes indexed by
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* the OID of the attribute.
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*/
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public Asn1.Cms.AttributeTable GetAuthAttrs()
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{
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if (authAttrs == null)
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return null;
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return new Asn1.Cms.AttributeTable(authAttrs);
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}
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/**
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* return a table of the undigested attributes indexed by
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* the OID of the attribute.
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*/
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public Asn1.Cms.AttributeTable GetUnauthAttrs()
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{
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if (unauthAttrs == null)
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return null;
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return new Asn1.Cms.AttributeTable(unauthAttrs);
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}
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/**
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* return the ASN.1 encoded representation of this object.
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*/
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public byte[] GetEncoded()
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{
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return contentInfo.GetEncoded();
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}
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}
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}
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#pragma warning restore
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#endif
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