diff options
Diffstat (limited to 'crypto/src/asn1/x509/X509Extensions.cs')
| -rw-r--r-- | crypto/src/asn1/x509/X509Extensions.cs | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/X509Extensions.cs b/crypto/src/asn1/x509/X509Extensions.cs new file mode 100644 index 000000000..5dce5622d --- /dev/null +++ b/crypto/src/asn1/x509/X509Extensions.cs @@ -0,0 +1,451 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.Utilities.Collections; + +namespace Org.BouncyCastle.Asn1.X509 +{ + public class X509Extensions + : Asn1Encodable + { + /** + * Subject Directory Attributes + */ + public static readonly DerObjectIdentifier SubjectDirectoryAttributes = new DerObjectIdentifier("2.5.29.9"); + + /** + * Subject Key Identifier + */ + public static readonly DerObjectIdentifier SubjectKeyIdentifier = new DerObjectIdentifier("2.5.29.14"); + + /** + * Key Usage + */ + public static readonly DerObjectIdentifier KeyUsage = new DerObjectIdentifier("2.5.29.15"); + + /** + * Private Key Usage Period + */ + public static readonly DerObjectIdentifier PrivateKeyUsagePeriod = new DerObjectIdentifier("2.5.29.16"); + + /** + * Subject Alternative Name + */ + public static readonly DerObjectIdentifier SubjectAlternativeName = new DerObjectIdentifier("2.5.29.17"); + + /** + * Issuer Alternative Name + */ + public static readonly DerObjectIdentifier IssuerAlternativeName = new DerObjectIdentifier("2.5.29.18"); + + /** + * Basic Constraints + */ + public static readonly DerObjectIdentifier BasicConstraints = new DerObjectIdentifier("2.5.29.19"); + + /** + * CRL Number + */ + public static readonly DerObjectIdentifier CrlNumber = new DerObjectIdentifier("2.5.29.20"); + + /** + * Reason code + */ + public static readonly DerObjectIdentifier ReasonCode = new DerObjectIdentifier("2.5.29.21"); + + /** + * Hold Instruction Code + */ + public static readonly DerObjectIdentifier InstructionCode = new DerObjectIdentifier("2.5.29.23"); + + /** + * Invalidity Date + */ + public static readonly DerObjectIdentifier InvalidityDate = new DerObjectIdentifier("2.5.29.24"); + + /** + * Delta CRL indicator + */ + public static readonly DerObjectIdentifier DeltaCrlIndicator = new DerObjectIdentifier("2.5.29.27"); + + /** + * Issuing Distribution Point + */ + public static readonly DerObjectIdentifier IssuingDistributionPoint = new DerObjectIdentifier("2.5.29.28"); + + /** + * Certificate Issuer + */ + public static readonly DerObjectIdentifier CertificateIssuer = new DerObjectIdentifier("2.5.29.29"); + + /** + * Name Constraints + */ + public static readonly DerObjectIdentifier NameConstraints = new DerObjectIdentifier("2.5.29.30"); + + /** + * CRL Distribution Points + */ + public static readonly DerObjectIdentifier CrlDistributionPoints = new DerObjectIdentifier("2.5.29.31"); + + /** + * Certificate Policies + */ + public static readonly DerObjectIdentifier CertificatePolicies = new DerObjectIdentifier("2.5.29.32"); + + /** + * Policy Mappings + */ + public static readonly DerObjectIdentifier PolicyMappings = new DerObjectIdentifier("2.5.29.33"); + + /** + * Authority Key Identifier + */ + public static readonly DerObjectIdentifier AuthorityKeyIdentifier = new DerObjectIdentifier("2.5.29.35"); + + /** + * Policy Constraints + */ + public static readonly DerObjectIdentifier PolicyConstraints = new DerObjectIdentifier("2.5.29.36"); + + /** + * Extended Key Usage + */ + public static readonly DerObjectIdentifier ExtendedKeyUsage = new DerObjectIdentifier("2.5.29.37"); + + /** + * Freshest CRL + */ + public static readonly DerObjectIdentifier FreshestCrl = new DerObjectIdentifier("2.5.29.46"); + + /** + * Inhibit Any Policy + */ + public static readonly DerObjectIdentifier InhibitAnyPolicy = new DerObjectIdentifier("2.5.29.54"); + + /** + * Authority Info Access + */ + public static readonly DerObjectIdentifier AuthorityInfoAccess = new DerObjectIdentifier("1.3.6.1.5.5.7.1.1"); + + /** + * Subject Info Access + */ + public static readonly DerObjectIdentifier SubjectInfoAccess = new DerObjectIdentifier("1.3.6.1.5.5.7.1.11"); + + /** + * Logo Type + */ + public static readonly DerObjectIdentifier LogoType = new DerObjectIdentifier("1.3.6.1.5.5.7.1.12"); + + /** + * BiometricInfo + */ + public static readonly DerObjectIdentifier BiometricInfo = new DerObjectIdentifier("1.3.6.1.5.5.7.1.2"); + + /** + * QCStatements + */ + public static readonly DerObjectIdentifier QCStatements = new DerObjectIdentifier("1.3.6.1.5.5.7.1.3"); + + /** + * Audit identity extension in attribute certificates. + */ + public static readonly DerObjectIdentifier AuditIdentity = new DerObjectIdentifier("1.3.6.1.5.5.7.1.4"); + + /** + * NoRevAvail extension in attribute certificates. + */ + public static readonly DerObjectIdentifier NoRevAvail = new DerObjectIdentifier("2.5.29.56"); + + /** + * TargetInformation extension in attribute certificates. + */ + public static readonly DerObjectIdentifier TargetInformation = new DerObjectIdentifier("2.5.29.55"); + + private readonly IDictionary extensions = Platform.CreateHashtable(); + private readonly IList ordering; + + public static X509Extensions GetInstance( + Asn1TaggedObject obj, + bool explicitly) + { + return GetInstance(Asn1Sequence.GetInstance(obj, explicitly)); + } + + public static X509Extensions GetInstance( + object obj) + { + if (obj == null || obj is X509Extensions) + { + return (X509Extensions) obj; + } + + if (obj is Asn1Sequence) + { + return new X509Extensions((Asn1Sequence) obj); + } + + if (obj is Asn1TaggedObject) + { + return GetInstance(((Asn1TaggedObject) obj).GetObject()); + } + + throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj"); + } + + /** + * Constructor from Asn1Sequence. + * + * the extensions are a list of constructed sequences, either with (Oid, OctetString) or (Oid, Boolean, OctetString) + */ + private X509Extensions( + Asn1Sequence seq) + { + this.ordering = Platform.CreateArrayList(); + + foreach (Asn1Encodable ae in seq) + { + Asn1Sequence s = Asn1Sequence.GetInstance(ae.ToAsn1Object()); + + if (s.Count < 2 || s.Count > 3) + throw new ArgumentException("Bad sequence size: " + s.Count); + + DerObjectIdentifier oid = DerObjectIdentifier.GetInstance(s[0].ToAsn1Object()); + + bool isCritical = s.Count == 3 + && DerBoolean.GetInstance(s[1].ToAsn1Object()).IsTrue; + + Asn1OctetString octets = Asn1OctetString.GetInstance(s[s.Count - 1].ToAsn1Object()); + + extensions.Add(oid, new X509Extension(isCritical, octets)); + ordering.Add(oid); + } + } + + /** + * constructor from a table of extensions. + * <p> + * it's is assumed the table contains Oid/string pairs.</p> + */ + public X509Extensions( + IDictionary extensions) + : this(null, extensions) + { + } + + /** + * Constructor from a table of extensions with ordering. + * <p> + * It's is assumed the table contains Oid/string pairs.</p> + */ + public X509Extensions( + IList ordering, + IDictionary extensions) + { + if (ordering == null) + { + this.ordering = Platform.CreateArrayList(extensions.Keys); + } + else + { + this.ordering = Platform.CreateArrayList(ordering); + } + + foreach (DerObjectIdentifier oid in this.ordering) + { + this.extensions.Add(oid, (X509Extension)extensions[oid]); + } + } + + /** + * Constructor from two vectors + * + * @param objectIDs an ArrayList of the object identifiers. + * @param values an ArrayList of the extension values. + */ + public X509Extensions( + IList oids, + IList values) + { + this.ordering = Platform.CreateArrayList(oids); + + int count = 0; + foreach (DerObjectIdentifier oid in this.ordering) + { + this.extensions.Add(oid, (X509Extension)values[count++]); + } + } + +#if !SILVERLIGHT + /** + * constructor from a table of extensions. + * <p> + * it's is assumed the table contains Oid/string pairs.</p> + */ + [Obsolete] + public X509Extensions( + Hashtable extensions) + : this(null, extensions) + { + } + + /** + * Constructor from a table of extensions with ordering. + * <p> + * It's is assumed the table contains Oid/string pairs.</p> + */ + [Obsolete] + public X509Extensions( + ArrayList ordering, + Hashtable extensions) + { + if (ordering == null) + { + this.ordering = Platform.CreateArrayList(extensions.Keys); + } + else + { + this.ordering = Platform.CreateArrayList(ordering); + } + + foreach (DerObjectIdentifier oid in this.ordering) + { + this.extensions.Add(oid, (X509Extension) extensions[oid]); + } + } + + /** + * Constructor from two vectors + * + * @param objectIDs an ArrayList of the object identifiers. + * @param values an ArrayList of the extension values. + */ + [Obsolete] + public X509Extensions( + ArrayList oids, + ArrayList values) + { + this.ordering = Platform.CreateArrayList(oids); + + int count = 0; + foreach (DerObjectIdentifier oid in this.ordering) + { + this.extensions.Add(oid, (X509Extension) values[count++]); + } + } +#endif + + [Obsolete("Use ExtensionOids IEnumerable property")] + public IEnumerator Oids() + { + return ExtensionOids.GetEnumerator(); + } + + /** + * return an Enumeration of the extension field's object ids. + */ + public IEnumerable ExtensionOids + { + get { return new EnumerableProxy(ordering); } + } + + /** + * return the extension represented by the object identifier + * passed in. + * + * @return the extension if it's present, null otherwise. + */ + public X509Extension GetExtension( + DerObjectIdentifier oid) + { + return (X509Extension) extensions[oid]; + } + + /** + * <pre> + * Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension + * + * Extension ::= SEQUENCE { + * extnId EXTENSION.&id ({ExtensionSet}), + * critical BOOLEAN DEFAULT FALSE, + * extnValue OCTET STRING } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector vec = new Asn1EncodableVector(); + + foreach (DerObjectIdentifier oid in ordering) + { + X509Extension ext = (X509Extension) extensions[oid]; + Asn1EncodableVector v = new Asn1EncodableVector(oid); + + if (ext.IsCritical) + { + v.Add(DerBoolean.True); + } + + v.Add(ext.Value); + + vec.Add(new DerSequence(v)); + } + + return new DerSequence(vec); + } + + public bool Equivalent( + X509Extensions other) + { + if (extensions.Count != other.extensions.Count) + return false; + + foreach (DerObjectIdentifier oid in extensions.Keys) + { + if (!extensions[oid].Equals(other.extensions[oid])) + return false; + } + + return true; + } + + public DerObjectIdentifier[] GetExtensionOids() + { + return ToOidArray(ordering); + } + + public DerObjectIdentifier[] GetNonCriticalExtensionOids() + { + return GetExtensionOids(false); + } + + public DerObjectIdentifier[] GetCriticalExtensionOids() + { + return GetExtensionOids(true); + } + + private DerObjectIdentifier[] GetExtensionOids(bool isCritical) + { + IList oids = Platform.CreateArrayList(); + + foreach (DerObjectIdentifier oid in this.ordering) + { + X509Extension ext = (X509Extension)extensions[oid]; + if (ext.IsCritical == isCritical) + { + oids.Add(oid); + } + } + + return ToOidArray(oids); + } + + private static DerObjectIdentifier[] ToOidArray(IList oids) + { + DerObjectIdentifier[] oidArray = new DerObjectIdentifier[oids.Count]; + oids.CopyTo(oidArray, 0); + return oidArray; + } + } +} |