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Diffstat (limited to 'crypto/src/asn1/x509/TBSCertificateStructure.cs')
| -rw-r--r-- | crypto/src/asn1/x509/TBSCertificateStructure.cs | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/TBSCertificateStructure.cs b/crypto/src/asn1/x509/TBSCertificateStructure.cs new file mode 100644 index 000000000..fc7c39ba2 --- /dev/null +++ b/crypto/src/asn1/x509/TBSCertificateStructure.cs @@ -0,0 +1,185 @@ +using System; + +using Org.BouncyCastle.Asn1.Pkcs; + +namespace Org.BouncyCastle.Asn1.X509 +{ + /** + * The TbsCertificate object. + * <pre> + * TbsCertificate ::= Sequence { + * version [ 0 ] Version DEFAULT v1(0), + * serialNumber CertificateSerialNumber, + * signature AlgorithmIdentifier, + * issuer Name, + * validity Validity, + * subject Name, + * subjectPublicKeyInfo SubjectPublicKeyInfo, + * issuerUniqueID [ 1 ] IMPLICIT UniqueIdentifier OPTIONAL, + * subjectUniqueID [ 2 ] IMPLICIT UniqueIdentifier OPTIONAL, + * extensions [ 3 ] Extensions OPTIONAL + * } + * </pre> + * <p> + * Note: issuerUniqueID and subjectUniqueID are both deprecated by the IETF. This class + * will parse them, but you really shouldn't be creating new ones.</p> + */ + public class TbsCertificateStructure + : Asn1Encodable + { + internal Asn1Sequence seq; + internal DerInteger version; + internal DerInteger serialNumber; + internal AlgorithmIdentifier signature; + internal X509Name issuer; + internal Time startDate, endDate; + internal X509Name subject; + internal SubjectPublicKeyInfo subjectPublicKeyInfo; + internal DerBitString issuerUniqueID; + internal DerBitString subjectUniqueID; + internal X509Extensions extensions; + + public static TbsCertificateStructure GetInstance( + Asn1TaggedObject obj, + bool explicitly) + { + return GetInstance(Asn1Sequence.GetInstance(obj, explicitly)); + } + + public static TbsCertificateStructure GetInstance( + object obj) + { + if (obj is TbsCertificateStructure) + return (TbsCertificateStructure) obj; + + if (obj != null) + return new TbsCertificateStructure(Asn1Sequence.GetInstance(obj)); + + return null; + } + + internal TbsCertificateStructure( + Asn1Sequence seq) + { + int seqStart = 0; + + this.seq = seq; + + // + // some certficates don't include a version number - we assume v1 + // + if (seq[0] is DerTaggedObject) + { + version = DerInteger.GetInstance((Asn1TaggedObject)seq[0], true); + } + else + { + seqStart = -1; // field 0 is missing! + version = new DerInteger(0); + } + + serialNumber = DerInteger.GetInstance(seq[seqStart + 1]); + + signature = AlgorithmIdentifier.GetInstance(seq[seqStart + 2]); + issuer = X509Name.GetInstance(seq[seqStart + 3]); + + // + // before and after dates + // + Asn1Sequence dates = (Asn1Sequence)seq[seqStart + 4]; + + startDate = Time.GetInstance(dates[0]); + endDate = Time.GetInstance(dates[1]); + + subject = X509Name.GetInstance(seq[seqStart + 5]); + + // + // public key info. + // + subjectPublicKeyInfo = SubjectPublicKeyInfo.GetInstance(seq[seqStart + 6]); + + for (int extras = seq.Count - (seqStart + 6) - 1; extras > 0; extras--) + { + DerTaggedObject extra = (DerTaggedObject) seq[seqStart + 6 + extras]; + + switch (extra.TagNo) + { + case 1: + issuerUniqueID = DerBitString.GetInstance(extra, false); + break; + case 2: + subjectUniqueID = DerBitString.GetInstance(extra, false); + break; + case 3: + extensions = X509Extensions.GetInstance(extra); + break; + } + } + } + + public int Version + { + get { return version.Value.IntValue + 1; } + } + + public DerInteger VersionNumber + { + get { return version; } + } + + public DerInteger SerialNumber + { + get { return serialNumber; } + } + + public AlgorithmIdentifier Signature + { + get { return signature; } + } + + public X509Name Issuer + { + get { return issuer; } + } + + public Time StartDate + { + get { return startDate; } + } + + public Time EndDate + { + get { return endDate; } + } + + public X509Name Subject + { + get { return subject; } + } + + public SubjectPublicKeyInfo SubjectPublicKeyInfo + { + get { return subjectPublicKeyInfo; } + } + + public DerBitString IssuerUniqueID + { + get { return issuerUniqueID; } + } + + public DerBitString SubjectUniqueID + { + get { return subjectUniqueID; } + } + + public X509Extensions Extensions + { + get { return extensions; } + } + + public override Asn1Object ToAsn1Object() + { + return seq; + } + } +} |