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101 lines
2.5 KiB
101 lines
2.5 KiB
#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 BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms |
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{ |
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public class EncryptedData |
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: Asn1Encodable |
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{ |
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private readonly DerInteger version; |
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private readonly EncryptedContentInfo encryptedContentInfo; |
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private readonly Asn1Set unprotectedAttrs; |
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public static EncryptedData GetInstance( |
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object obj) |
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{ |
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if (obj is EncryptedData) |
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return (EncryptedData) obj; |
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if (obj is Asn1Sequence) |
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return new EncryptedData((Asn1Sequence) obj); |
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throw new ArgumentException("Invalid EncryptedData: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj)); |
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} |
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public EncryptedData( |
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EncryptedContentInfo encInfo) |
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: this(encInfo, null) |
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{ |
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} |
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public EncryptedData( |
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EncryptedContentInfo encInfo, |
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Asn1Set unprotectedAttrs) |
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{ |
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if (encInfo == null) |
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throw new ArgumentNullException("encInfo"); |
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this.version = new DerInteger((unprotectedAttrs == null) ? 0 : 2); |
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this.encryptedContentInfo = encInfo; |
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this.unprotectedAttrs = unprotectedAttrs; |
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} |
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private EncryptedData( |
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Asn1Sequence seq) |
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{ |
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if (seq == null) |
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throw new ArgumentNullException("seq"); |
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if (seq.Count < 2 || seq.Count > 3) |
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throw new ArgumentException("Bad sequence size: " + seq.Count, "seq"); |
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this.version = DerInteger.GetInstance(seq[0]); |
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this.encryptedContentInfo = EncryptedContentInfo.GetInstance(seq[1]); |
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if (seq.Count > 2) |
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{ |
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this.unprotectedAttrs = Asn1Set.GetInstance((Asn1TaggedObject)seq[2], false); |
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} |
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} |
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public virtual DerInteger Version |
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{ |
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get { return version; } |
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} |
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public virtual EncryptedContentInfo EncryptedContentInfo |
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{ |
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get { return encryptedContentInfo; } |
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} |
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public virtual Asn1Set UnprotectedAttrs |
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{ |
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get { return unprotectedAttrs; } |
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} |
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/** |
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* <pre> |
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* EncryptedData ::= SEQUENCE { |
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* version CMSVersion, |
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* encryptedContentInfo EncryptedContentInfo, |
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* unprotectedAttrs [1] IMPLICIT UnprotectedAttributes OPTIONAL } |
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* </pre> |
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* @return a basic ASN.1 object representation. |
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*/ |
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public override Asn1Object ToAsn1Object() |
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{ |
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Asn1EncodableVector v = new Asn1EncodableVector(version, encryptedContentInfo); |
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if (unprotectedAttrs != null) |
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{ |
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v.Add(new BerTaggedObject(false, 1, unprotectedAttrs)); |
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} |
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return new BerSequence(v); |
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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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