1 files changed, 129 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/X509CertificateStructure.cs b/Crypto/src/asn1/x509/X509CertificateStructure.cs
new file mode 100644
index 000000000..e50d3563b
--- /dev/null
+++ b/Crypto/src/asn1/x509/X509CertificateStructure.cs
@@ -0,0 +1,129 @@
+using System;
+
+using Org.BouncyCastle.Asn1.Pkcs;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+ /**
+ * an X509Certificate structure.
+ * <pre>
+ * Certificate ::= Sequence {
+ * tbsCertificate TbsCertificate,
+ * signatureAlgorithm AlgorithmIdentifier,
+ * signature BIT STRING
+ * }
+ * </pre>
+ */
+ public class X509CertificateStructure
+ : Asn1Encodable
+ {
+ private readonly TbsCertificateStructure tbsCert;
+ private readonly AlgorithmIdentifier sigAlgID;
+ private readonly DerBitString sig;
+
+ public static X509CertificateStructure GetInstance(
+ Asn1TaggedObject obj,
+ bool explicitly)
+ {
+ return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+ }
+
+ public static X509CertificateStructure GetInstance(
+ object obj)
+ {
+ if (obj is X509CertificateStructure)
+ return (X509CertificateStructure)obj;
+
+ if (obj != null)
+ return new X509CertificateStructure(Asn1Sequence.GetInstance(obj));
+
+ return null;
+ }
+
+ public X509CertificateStructure(
+ TbsCertificateStructure tbsCert,
+ AlgorithmIdentifier sigAlgID,
+ DerBitString sig)
+ {
+ if (tbsCert == null)
+ throw new ArgumentNullException("tbsCert");
+ if (sigAlgID == null)
+ throw new ArgumentNullException("sigAlgID");
+ if (sig == null)
+ throw new ArgumentNullException("sig");
+
+ this.tbsCert = tbsCert;
+ this.sigAlgID = sigAlgID;
+ this.sig = sig;
+ }
+
+ private X509CertificateStructure(
+ Asn1Sequence seq)
+ {
+ if (seq.Count != 3)
+ throw new ArgumentException("sequence wrong size for a certificate", "seq");
+
+ //
+ // correct x509 certficate
+ //
+ tbsCert = TbsCertificateStructure.GetInstance(seq[0]);
+ sigAlgID = AlgorithmIdentifier.GetInstance(seq[1]);
+ sig = DerBitString.GetInstance(seq[2]);
+ }
+
+ public TbsCertificateStructure TbsCertificate
+ {
+ get { return tbsCert; }
+ }
+
+ public int Version
+ {
+ get { return tbsCert.Version; }
+ }
+
+ public DerInteger SerialNumber
+ {
+ get { return tbsCert.SerialNumber; }
+ }
+
+ public X509Name Issuer
+ {
+ get { return tbsCert.Issuer; }
+ }
+
+ public Time StartDate
+ {
+ get { return tbsCert.StartDate; }
+ }
+
+ public Time EndDate
+ {
+ get { return tbsCert.EndDate; }
+ }
+
+ public X509Name Subject
+ {
+ get { return tbsCert.Subject; }
+ }
+
+ public SubjectPublicKeyInfo SubjectPublicKeyInfo
+ {
+ get { return tbsCert.SubjectPublicKeyInfo; }
+ }
+
+ public AlgorithmIdentifier SignatureAlgorithm
+ {
+ get { return sigAlgID; }
+ }
+
+ public DerBitString Signature
+ {
+ get { return sig; }
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(tbsCert, sigAlgID, sig);
+ }
+ }
+}
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