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157 lines
4.3 KiB
157 lines
4.3 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 BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509 |
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{ |
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/** |
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* This class helps to support crossCerfificatePairs in a LDAP directory |
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* according RFC 2587 |
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* |
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* <pre> |
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* crossCertificatePairATTRIBUTE::={ |
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* WITH SYNTAX CertificatePair |
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* EQUALITY MATCHING RULE certificatePairExactMatch |
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* ID joint-iso-ccitt(2) ds(5) attributeType(4) crossCertificatePair(40)} |
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* </pre> |
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* |
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* <blockquote> The forward elements of the crossCertificatePair attribute of a |
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* CA's directory entry shall be used to store all, except self-issued |
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* certificates issued to this CA. Optionally, the reverse elements of the |
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* crossCertificatePair attribute, of a CA's directory entry may contain a |
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* subset of certificates issued by this CA to other CAs. When both the forward |
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* and the reverse elements are present in a single attribute value, issuer name |
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* in one certificate shall match the subject name in the other and vice versa, |
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* and the subject public key in one certificate shall be capable of verifying |
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* the digital signature on the other certificate and vice versa. |
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* |
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* When a reverse element is present, the forward element value and the reverse |
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* element value need not be stored in the same attribute value; in other words, |
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* they can be stored in either a single attribute value or two attribute |
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* values. </blockquote> |
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* |
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* <pre> |
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* CertificatePair ::= SEQUENCE { |
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* forward [0] Certificate OPTIONAL, |
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* reverse [1] Certificate OPTIONAL, |
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* -- at least one of the pair shall be present -- } |
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* </pre> |
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*/ |
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public class CertificatePair |
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: Asn1Encodable |
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{ |
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private X509CertificateStructure forward, reverse; |
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public static CertificatePair GetInstance( |
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object obj) |
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{ |
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if (obj == null || obj is CertificatePair) |
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{ |
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return (CertificatePair) obj; |
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} |
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if (obj is Asn1Sequence) |
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{ |
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return new CertificatePair((Asn1Sequence) obj); |
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} |
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throw new ArgumentException("unknown object in factory: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj), "obj"); |
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} |
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/** |
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* Constructor from Asn1Sequence. |
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* <p/> |
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* The sequence is of type CertificatePair: |
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* <p/> |
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* <pre> |
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* CertificatePair ::= SEQUENCE { |
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* forward [0] Certificate OPTIONAL, |
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* reverse [1] Certificate OPTIONAL, |
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* -- at least one of the pair shall be present -- } |
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* </pre> |
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* |
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* @param seq The ASN.1 sequence. |
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*/ |
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private CertificatePair( |
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Asn1Sequence seq) |
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{ |
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if (seq.Count != 1 && seq.Count != 2) |
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{ |
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throw new ArgumentException("Bad sequence size: " + seq.Count, "seq"); |
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} |
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foreach (object obj in seq) |
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{ |
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Asn1TaggedObject o = Asn1TaggedObject.GetInstance(obj); |
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if (o.TagNo == 0) |
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{ |
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forward = X509CertificateStructure.GetInstance(o, true); |
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} |
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else if (o.TagNo == 1) |
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{ |
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reverse = X509CertificateStructure.GetInstance(o, true); |
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} |
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else |
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{ |
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throw new ArgumentException("Bad tag number: " + o.TagNo); |
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} |
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} |
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} |
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/** |
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* Constructor from a given details. |
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* |
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* @param forward Certificates issued to this CA. |
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* @param reverse Certificates issued by this CA to other CAs. |
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*/ |
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public CertificatePair( |
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X509CertificateStructure forward, |
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X509CertificateStructure reverse) |
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{ |
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this.forward = forward; |
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this.reverse = reverse; |
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} |
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/** |
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* Produce an object suitable for an Asn1OutputStream. |
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* <p/> |
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* Returns: |
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* <p/> |
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* <pre> |
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* CertificatePair ::= SEQUENCE { |
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* forward [0] Certificate OPTIONAL, |
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* reverse [1] Certificate OPTIONAL, |
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* -- at least one of the pair shall be present -- } |
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* </pre> |
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* |
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* @return a DERObject |
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*/ |
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public override Asn1Object ToAsn1Object() |
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{ |
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Asn1EncodableVector v = new Asn1EncodableVector(); |
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v.AddOptionalTagged(true, 0, forward); |
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v.AddOptionalTagged(true, 1, reverse); |
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return new DerSequence(v); |
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} |
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/** |
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* @return Returns the forward. |
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*/ |
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public X509CertificateStructure Forward |
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{ |
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get { return forward; } |
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} |
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/** |
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* @return Returns the reverse. |
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*/ |
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public X509CertificateStructure Reverse |
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{ |
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get { return reverse; } |
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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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