using System; namespace Org.BouncyCastle.Asn1.CryptoPro { public class Gost3410PublicKeyAlgParameters : Asn1Encodable { private DerObjectIdentifier publicKeyParamSet; private DerObjectIdentifier digestParamSet; private DerObjectIdentifier encryptionParamSet; public DerObjectIdentifier PublicKeyParamSet => publicKeyParamSet; public DerObjectIdentifier DigestParamSet => digestParamSet; public DerObjectIdentifier EncryptionParamSet => encryptionParamSet; public static Gost3410PublicKeyAlgParameters GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return GetInstance(Asn1Sequence.GetInstance(taggedObject, declaredExplicit)); } public static Gost3410PublicKeyAlgParameters GetInstance(object obj) { if (obj == null || obj is Gost3410PublicKeyAlgParameters) return (Gost3410PublicKeyAlgParameters)obj; return new Gost3410PublicKeyAlgParameters(Asn1Sequence.GetInstance(obj)); } public Gost3410PublicKeyAlgParameters(DerObjectIdentifier publicKeyParamSet, DerObjectIdentifier digestParamSet) : this(publicKeyParamSet, digestParamSet, null) { } public Gost3410PublicKeyAlgParameters(DerObjectIdentifier publicKeyParamSet, DerObjectIdentifier digestParamSet, DerObjectIdentifier encryptionParamSet) { if (publicKeyParamSet == null) throw new ArgumentNullException("publicKeyParamSet"); if (digestParamSet == null) throw new ArgumentNullException("digestParamSet"); this.publicKeyParamSet = publicKeyParamSet; this.digestParamSet = digestParamSet; this.encryptionParamSet = encryptionParamSet; } private Gost3410PublicKeyAlgParameters(Asn1Sequence seq) { publicKeyParamSet = (DerObjectIdentifier)seq[0]; digestParamSet = (DerObjectIdentifier)seq[1]; if (seq.Count > 2) encryptionParamSet = (DerObjectIdentifier)seq[2]; } public override Asn1Object ToAsn1Object() { Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(publicKeyParamSet, digestParamSet); asn1EncodableVector.AddOptional(encryptionParamSet); return new DerSequence(asn1EncodableVector); } } }