diff options
Diffstat (limited to 'crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs')
| -rw-r--r-- | crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs | 163 |
1 files changed, 101 insertions, 62 deletions
diff --git a/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs b/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs index 645d9bd28..5db3df9e7 100644 --- a/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs +++ b/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs @@ -4,7 +4,7 @@ using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Asn1.IsisMtt.X509 { - /** + /** * A declaration of majority. * <p/> * <pre> @@ -23,7 +23,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509 * fullAgeAtCountry indicates the majority of the owner with respect to the laws * of a specific country. */ - public class DeclarationOfMajority + public class DeclarationOfMajority : Asn1Encodable, IAsn1Choice { public enum Choice @@ -33,16 +33,81 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509 DateOfBirth = 2 }; - private readonly Asn1TaggedObject m_declaration; + public static DeclarationOfMajority GetInstance(object obj) + { + if (obj == null) + return null; - public DeclarationOfMajority(int notYoungerThan) + if (obj is Asn1Encodable element) + { + var result = GetOptional(element); + if (result != null) + return result; + } + + throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), nameof(obj)); + } + + public static DeclarationOfMajority GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) => + Asn1Utilities.GetInstanceChoice(taggedObject, declaredExplicit, GetInstance); + + public static DeclarationOfMajority GetOptional(Asn1Encodable element) + { + if (element == null) + throw new ArgumentNullException(nameof(element)); + + if (element is DeclarationOfMajority declarationOfMajority) + return declarationOfMajority; + + if (element is Asn1TaggedObject taggedObject) + { + Asn1Encodable baseObject = GetOptionalBaseObject(taggedObject); + if (baseObject != null) + return new DeclarationOfMajority(taggedObject.TagNo, baseObject); + } + + return null; + } + + public static DeclarationOfMajority GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) => + Asn1Utilities.GetTaggedChoice(taggedObject, declaredExplicit, GetInstance); + + private static Asn1Encodable GetOptionalBaseObject(Asn1TaggedObject taggedObject) + { + if (taggedObject.HasContextTag()) + { + switch (taggedObject.TagNo) + { + case (int)Choice.NotYoungerThan: + return DerInteger.GetInstance(taggedObject, false); + case (int)Choice.FullAgeAtCountry: + return Asn1Sequence.GetInstance(taggedObject, false); + case (int)Choice.DateOfBirth: + return Asn1GeneralizedTime.GetInstance(taggedObject, false); + } + } + + return null; + } + + private readonly int m_tag; + private readonly Asn1Encodable m_baseObject; + + private DeclarationOfMajority(int tag, Asn1Encodable baseObject) + { + m_tag = tag; + m_baseObject = baseObject; + } + + public DeclarationOfMajority(int notYoungerThan) { - m_declaration = new DerTaggedObject(false, 0, new DerInteger(notYoungerThan)); + m_tag = (int)Choice.NotYoungerThan; + m_baseObject = new DerInteger(notYoungerThan); } public DeclarationOfMajority(bool fullAge, string country) { - if (country.Length > 2) + if (country.Length != 2) throw new ArgumentException("country can only be 2 characters", nameof(country)); DerPrintableString countryString = new DerPrintableString(country, true); @@ -57,65 +122,17 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509 seq = new DerSequence(DerBoolean.False, countryString); } - m_declaration = new DerTaggedObject(false, 1, seq); + m_tag = (int)Choice.FullAgeAtCountry; + m_baseObject = seq; } public DeclarationOfMajority(Asn1GeneralizedTime dateOfBirth) { - m_declaration = new DerTaggedObject(false, 2, dateOfBirth); - } - - public static DeclarationOfMajority GetInstance(object obj) - { - if (obj == null) - return null; - - if (obj is DeclarationOfMajority declarationOfMajority) - return declarationOfMajority; - - if (obj is Asn1TaggedObject taggedObject) - return new DeclarationOfMajority(Asn1Utilities.CheckContextTagClass(taggedObject)); - - throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), nameof(obj)); + m_tag = (int)Choice.DateOfBirth; + m_baseObject = dateOfBirth ?? throw new ArgumentNullException(nameof(dateOfBirth)); } - private DeclarationOfMajority(Asn1TaggedObject o) - { - if (o.TagNo > 2) - throw new ArgumentException("Bad tag number: " + o.TagNo); - - m_declaration = o; - } - - /** - * Produce an object suitable for an Asn1OutputStream. - * <p/> - * Returns: - * <p/> - * <pre> - * DeclarationOfMajoritySyntax ::= CHOICE - * { - * notYoungerThan [0] IMPLICIT INTEGER, - * fullAgeAtCountry [1] IMPLICIT SEQUENCE - * { - * fullAge BOOLEAN DEFAULT TRUE, - * country PrintableString (SIZE(2)) - * } - * dateOfBirth [2] IMPLICIT GeneralizedTime - * } - * </pre> - * - * @return an Asn1Object - */ - public override Asn1Object ToAsn1Object() - { - return m_declaration; - } - - public Choice Type - { - get { return (Choice)m_declaration.TagNo; } - } + public Choice Type => (Choice)m_tag; /** * @return notYoungerThan if that's what we are, -1 otherwise @@ -127,7 +144,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509 switch (Type) { case Choice.NotYoungerThan: - return DerInteger.GetInstance(m_declaration, false).IntValueExact; + return DerInteger.GetInstance(m_baseObject).IntValueExact; default: return -1; } @@ -141,7 +158,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509 switch (Type) { case Choice.FullAgeAtCountry: - return Asn1Sequence.GetInstance(m_declaration, false); + return Asn1Sequence.GetInstance(m_baseObject); default: return null; } @@ -155,11 +172,33 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509 switch (Type) { case Choice.DateOfBirth: - return Asn1GeneralizedTime.GetInstance(m_declaration, false); + return Asn1GeneralizedTime.GetInstance(m_baseObject); default: return null; } } } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <p/> + * Returns: + * <p/> + * <pre> + * DeclarationOfMajoritySyntax ::= CHOICE + * { + * notYoungerThan [0] IMPLICIT INTEGER, + * fullAgeAtCountry [1] IMPLICIT SEQUENCE + * { + * fullAge BOOLEAN DEFAULT TRUE, + * country PrintableString (SIZE(2)) + * } + * dateOfBirth [2] IMPLICIT GeneralizedTime + * } + * </pre> + * + * @return an Asn1Object + */ + public override Asn1Object ToAsn1Object() => new DerTaggedObject(false, m_tag, m_baseObject); } } |