diff options
Diffstat (limited to 'crypto/src/asn1/x509/TBSCertList.cs')
| -rw-r--r-- | crypto/src/asn1/x509/TBSCertList.cs | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/TBSCertList.cs b/crypto/src/asn1/x509/TBSCertList.cs new file mode 100644 index 000000000..b5934a230 --- /dev/null +++ b/crypto/src/asn1/x509/TBSCertList.cs @@ -0,0 +1,274 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Utilities.Collections; + +namespace Org.BouncyCastle.Asn1.X509 +{ + public class CrlEntry + : Asn1Encodable + { + internal Asn1Sequence seq; + internal DerInteger userCertificate; + internal Time revocationDate; + internal X509Extensions crlEntryExtensions; + + public CrlEntry( + Asn1Sequence seq) + { + if (seq.Count < 2 || seq.Count > 3) + { + throw new ArgumentException("Bad sequence size: " + seq.Count); + } + + this.seq = seq; + + userCertificate = DerInteger.GetInstance(seq[0]); + revocationDate = Time.GetInstance(seq[1]); + } + + public DerInteger UserCertificate + { + get { return userCertificate; } + } + + public Time RevocationDate + { + get { return revocationDate; } + } + + public X509Extensions Extensions + { + get + { + if (crlEntryExtensions == null && seq.Count == 3) + { + crlEntryExtensions = X509Extensions.GetInstance(seq[2]); + } + + return crlEntryExtensions; + } + } + + public override Asn1Object ToAsn1Object() + { + return seq; + } + } + + /** + * PKIX RFC-2459 - TbsCertList object. + * <pre> + * TbsCertList ::= Sequence { + * version Version OPTIONAL, + * -- if present, shall be v2 + * signature AlgorithmIdentifier, + * issuer Name, + * thisUpdate Time, + * nextUpdate Time OPTIONAL, + * revokedCertificates Sequence OF Sequence { + * userCertificate CertificateSerialNumber, + * revocationDate Time, + * crlEntryExtensions Extensions OPTIONAL + * -- if present, shall be v2 + * } OPTIONAL, + * crlExtensions [0] EXPLICIT Extensions OPTIONAL + * -- if present, shall be v2 + * } + * </pre> + */ + public class TbsCertificateList + : Asn1Encodable + { + private class RevokedCertificatesEnumeration + : IEnumerable + { + private readonly IEnumerable en; + + internal RevokedCertificatesEnumeration( + IEnumerable en) + { + this.en = en; + } + + public IEnumerator GetEnumerator() + { + return new RevokedCertificatesEnumerator(en.GetEnumerator()); + } + + private class RevokedCertificatesEnumerator + : IEnumerator + { + private readonly IEnumerator e; + + internal RevokedCertificatesEnumerator( + IEnumerator e) + { + this.e = e; + } + + public bool MoveNext() + { + return e.MoveNext(); + } + + public void Reset() + { + e.Reset(); + } + + public object Current + { + get { return new CrlEntry(Asn1Sequence.GetInstance(e.Current)); } + } + } + } + + internal Asn1Sequence seq; + internal DerInteger version; + internal AlgorithmIdentifier signature; + internal X509Name issuer; + internal Time thisUpdate; + internal Time nextUpdate; + internal Asn1Sequence revokedCertificates; + internal X509Extensions crlExtensions; + + public static TbsCertificateList GetInstance( + Asn1TaggedObject obj, + bool explicitly) + { + return GetInstance(Asn1Sequence.GetInstance(obj, explicitly)); + } + + public static TbsCertificateList GetInstance( + object obj) + { + TbsCertificateList list = obj as TbsCertificateList; + + if (obj == null || list != null) + { + return list; + } + + if (obj is Asn1Sequence) + { + return new TbsCertificateList((Asn1Sequence) obj); + } + + throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj"); + } + + internal TbsCertificateList( + Asn1Sequence seq) + { + if (seq.Count < 3 || seq.Count > 7) + { + throw new ArgumentException("Bad sequence size: " + seq.Count); + } + + int seqPos = 0; + + this.seq = seq; + + if (seq[seqPos] is DerInteger) + { + version = DerInteger.GetInstance(seq[seqPos++]); + } + else + { + version = new DerInteger(0); + } + + signature = AlgorithmIdentifier.GetInstance(seq[seqPos++]); + issuer = X509Name.GetInstance(seq[seqPos++]); + thisUpdate = Time.GetInstance(seq[seqPos++]); + + if (seqPos < seq.Count + && (seq[seqPos] is DerUtcTime + || seq[seqPos] is DerGeneralizedTime + || seq[seqPos] is Time)) + { + nextUpdate = Time.GetInstance(seq[seqPos++]); + } + + if (seqPos < seq.Count + && !(seq[seqPos] is DerTaggedObject)) + { + revokedCertificates = Asn1Sequence.GetInstance(seq[seqPos++]); + } + + if (seqPos < seq.Count + && seq[seqPos] is DerTaggedObject) + { + crlExtensions = X509Extensions.GetInstance(seq[seqPos]); + } + } + + public int Version + { + get { return version.Value.IntValue + 1; } + } + + public DerInteger VersionNumber + { + get { return version; } + } + + public AlgorithmIdentifier Signature + { + get { return signature; } + } + + public X509Name Issuer + { + get { return issuer; } + } + + public Time ThisUpdate + { + get { return thisUpdate; } + } + + public Time NextUpdate + { + get { return nextUpdate; } + } + + public CrlEntry[] GetRevokedCertificates() + { + if (revokedCertificates == null) + { + return new CrlEntry[0]; + } + + CrlEntry[] entries = new CrlEntry[revokedCertificates.Count]; + + for (int i = 0; i < entries.Length; i++) + { + entries[i] = new CrlEntry(Asn1Sequence.GetInstance(revokedCertificates[i])); + } + + return entries; + } + + public IEnumerable GetRevokedCertificateEnumeration() + { + if (revokedCertificates == null) + { + return EmptyEnumerable.Instance; + } + + return new RevokedCertificatesEnumeration(revokedCertificates); + } + + public X509Extensions Extensions + { + get { return crlExtensions; } + } + + public override Asn1Object ToAsn1Object() + { + return seq; + } + } +} |