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118 lines
2.8 KiB
118 lines
2.8 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 System.IO; |
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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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/** |
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* <pre> |
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* SignedData ::= SEQUENCE { |
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* version CMSVersion, |
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* digestAlgorithms DigestAlgorithmIdentifiers, |
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* encapContentInfo EncapsulatedContentInfo, |
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* certificates [0] IMPLICIT CertificateSet OPTIONAL, |
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* crls [1] IMPLICIT CertificateRevocationLists OPTIONAL, |
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* signerInfos SignerInfos |
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* } |
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* </pre> |
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*/ |
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public class SignedDataParser |
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{ |
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private Asn1SequenceParser _seq; |
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private DerInteger _version; |
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private object _nextObject; |
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private bool _certsCalled; |
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private bool _crlsCalled; |
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public static SignedDataParser GetInstance( |
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object o) |
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{ |
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if (o is Asn1Sequence) |
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return new SignedDataParser(((Asn1Sequence)o).Parser); |
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if (o is Asn1SequenceParser) |
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return new SignedDataParser((Asn1SequenceParser)o); |
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throw new IOException("unknown object encountered: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(o)); |
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} |
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public SignedDataParser( |
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Asn1SequenceParser seq) |
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{ |
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this._seq = seq; |
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this._version = (DerInteger)seq.ReadObject(); |
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} |
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public DerInteger Version |
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{ |
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get { return _version; } |
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} |
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public Asn1SetParser GetDigestAlgorithms() |
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{ |
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return (Asn1SetParser)_seq.ReadObject(); |
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} |
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public ContentInfoParser GetEncapContentInfo() |
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{ |
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return new ContentInfoParser((Asn1SequenceParser)_seq.ReadObject()); |
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} |
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public Asn1SetParser GetCertificates() |
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{ |
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_certsCalled = true; |
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_nextObject = _seq.ReadObject(); |
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if (_nextObject is Asn1TaggedObjectParser && ((Asn1TaggedObjectParser)_nextObject).TagNo == 0) |
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{ |
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Asn1SetParser certs = (Asn1SetParser)((Asn1TaggedObjectParser)_nextObject).GetObjectParser(Asn1Tags.Set, false); |
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_nextObject = null; |
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return certs; |
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} |
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return null; |
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} |
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public Asn1SetParser GetCrls() |
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{ |
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if (!_certsCalled) |
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throw new IOException("GetCerts() has not been called."); |
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_crlsCalled = true; |
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if (_nextObject == null) |
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{ |
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_nextObject = _seq.ReadObject(); |
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} |
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if (_nextObject is Asn1TaggedObjectParser && ((Asn1TaggedObjectParser)_nextObject).TagNo == 1) |
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{ |
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Asn1SetParser crls = (Asn1SetParser)((Asn1TaggedObjectParser)_nextObject).GetObjectParser(Asn1Tags.Set, false); |
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_nextObject = null; |
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return crls; |
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} |
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return null; |
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} |
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public Asn1SetParser GetSignerInfos() |
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{ |
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if (!_certsCalled || !_crlsCalled) |
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throw new IOException("GetCerts() and/or GetCrls() has not been called."); |
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if (_nextObject == null) |
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{ |
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_nextObject = _seq.ReadObject(); |
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} |
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return (Asn1SetParser)_nextObject; |
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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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