diff options
Diffstat (limited to 'crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs')
| -rw-r--r-- | crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs b/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs new file mode 100644 index 000000000..a25df225e --- /dev/null +++ b/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs @@ -0,0 +1,232 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1.X500; +using Org.BouncyCastle.Asn1.X509; + +namespace Org.BouncyCastle.Asn1.IsisMtt.X509 +{ + /** + * Attribute to indicate that the certificate holder may sign in the name of a + * third person. + * <p> + * ISIS-MTT PROFILE: The corresponding ProcurationSyntax contains either the + * name of the person who is represented (subcomponent thirdPerson) or a + * reference to his/her base certificate (in the component signingFor, + * subcomponent certRef), furthermore the optional components country and + * typeSubstitution to indicate the country whose laws apply, and respectively + * the type of procuration (e.g. manager, procuration, custody). + * </p> + * <p> + * ISIS-MTT PROFILE: The GeneralName MUST be of type directoryName and MAY only + * contain: - RFC3039 attributes, except pseudonym (countryName, commonName, + * surname, givenName, serialNumber, organizationName, organizationalUnitName, + * stateOrProvincename, localityName, postalAddress) and - SubjectDirectoryName + * attributes (title, dateOfBirth, placeOfBirth, gender, countryOfCitizenship, + * countryOfResidence and NameAtBirth). + * </p> + * <pre> + * ProcurationSyntax ::= SEQUENCE { + * country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL, + * typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL, + * signingFor [3] EXPLICIT SigningFor + * } + * + * SigningFor ::= CHOICE + * { + * thirdPerson GeneralName, + * certRef IssuerSerial + * } + * </pre> + * + */ + public class ProcurationSyntax + : Asn1Encodable + { + private readonly string country; + private readonly DirectoryString typeOfSubstitution; + private readonly GeneralName thirdPerson; + private readonly IssuerSerial certRef; + + public static ProcurationSyntax GetInstance( + object obj) + { + if (obj == null || obj is ProcurationSyntax) + { + return (ProcurationSyntax) obj; + } + + if (obj is Asn1Sequence) + { + return new ProcurationSyntax((Asn1Sequence) obj); + } + + throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj"); + } + + /** + * Constructor from Asn1Sequence. + * <p/> + * The sequence is of type ProcurationSyntax: + * <p/> + * <pre> + * ProcurationSyntax ::= SEQUENCE { + * country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL, + * typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL, + * signingFor [3] EXPLICIT SigningFor + * } + * <p/> + * SigningFor ::= CHOICE + * { + * thirdPerson GeneralName, + * certRef IssuerSerial + * } + * </pre> + * + * @param seq The ASN.1 sequence. + */ + private ProcurationSyntax( + Asn1Sequence seq) + { + if (seq.Count < 1 || seq.Count > 3) + throw new ArgumentException("Bad sequence size: " + seq.Count); + + IEnumerator e = seq.GetEnumerator(); + + while (e.MoveNext()) + { + Asn1TaggedObject o = Asn1TaggedObject.GetInstance(e.Current); + switch (o.TagNo) + { + case 1: + country = DerPrintableString.GetInstance(o, true).GetString(); + break; + case 2: + typeOfSubstitution = DirectoryString.GetInstance(o, true); + break; + case 3: + Asn1Object signingFor = o.GetObject(); + if (signingFor is Asn1TaggedObject) + { + thirdPerson = GeneralName.GetInstance(signingFor); + } + else + { + certRef = IssuerSerial.GetInstance(signingFor); + } + break; + default: + throw new ArgumentException("Bad tag number: " + o.TagNo); + } + } + } + + /** + * Constructor from a given details. + * <p/> + * <p/> + * Either <code>generalName</code> or <code>certRef</code> MUST be + * <code>null</code>. + * + * @param country The country code whose laws apply. + * @param typeOfSubstitution The type of procuration. + * @param certRef Reference to certificate of the person who is represented. + */ + public ProcurationSyntax( + string country, + DirectoryString typeOfSubstitution, + IssuerSerial certRef) + { + this.country = country; + this.typeOfSubstitution = typeOfSubstitution; + this.thirdPerson = null; + this.certRef = certRef; + } + + /** + * Constructor from a given details. + * <p/> + * <p/> + * Either <code>generalName</code> or <code>certRef</code> MUST be + * <code>null</code>. + * + * @param country The country code whose laws apply. + * @param typeOfSubstitution The type of procuration. + * @param thirdPerson The GeneralName of the person who is represented. + */ + public ProcurationSyntax( + string country, + DirectoryString typeOfSubstitution, + GeneralName thirdPerson) + { + this.country = country; + this.typeOfSubstitution = typeOfSubstitution; + this.thirdPerson = thirdPerson; + this.certRef = null; + } + + public virtual string Country + { + get { return country; } + } + + public virtual DirectoryString TypeOfSubstitution + { + get { return typeOfSubstitution; } + } + + public virtual GeneralName ThirdPerson + { + get { return thirdPerson; } + } + + public virtual IssuerSerial CertRef + { + get { return certRef; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <p/> + * Returns: + * <p/> + * <pre> + * ProcurationSyntax ::= SEQUENCE { + * country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL, + * typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL, + * signingFor [3] EXPLICIT SigningFor + * } + * <p/> + * SigningFor ::= CHOICE + * { + * thirdPerson GeneralName, + * certRef IssuerSerial + * } + * </pre> + * + * @return an Asn1Object + */ + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector vec = new Asn1EncodableVector(); + if (country != null) + { + vec.Add(new DerTaggedObject(true, 1, new DerPrintableString(country, true))); + } + if (typeOfSubstitution != null) + { + vec.Add(new DerTaggedObject(true, 2, typeOfSubstitution)); + } + if (thirdPerson != null) + { + vec.Add(new DerTaggedObject(true, 3, thirdPerson)); + } + else + { + vec.Add(new DerTaggedObject(true, 3, certRef)); + } + + return new DerSequence(vec); + } + } +} |