1 files changed, 99 insertions, 0 deletions
diff --git a/Crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs b/Crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
new file mode 100644
index 000000000..8bc1460af
--- /dev/null
+++ b/Crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
@@ -0,0 +1,99 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.CryptoPro
+{
+ public class Gost3410PublicKeyAlgParameters
+ : Asn1Encodable
+ {
+ private DerObjectIdentifier publicKeyParamSet;
+ private DerObjectIdentifier digestParamSet;
+ private DerObjectIdentifier encryptionParamSet;
+
+ public static Gost3410PublicKeyAlgParameters GetInstance(
+ Asn1TaggedObject obj,
+ bool explicitly)
+ {
+ return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+ }
+
+ public static Gost3410PublicKeyAlgParameters GetInstance(
+ object obj)
+ {
+ if (obj == null || obj is Gost3410PublicKeyAlgParameters)
+ {
+ return (Gost3410PublicKeyAlgParameters) obj;
+ }
+
+ if (obj is Asn1Sequence)
+ {
+ return new Gost3410PublicKeyAlgParameters((Asn1Sequence) obj);
+ }
+
+ throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
+ }
+
+ 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;
+ }
+
+ public Gost3410PublicKeyAlgParameters(
+ Asn1Sequence seq)
+ {
+ this.publicKeyParamSet = (DerObjectIdentifier) seq[0];
+ this.digestParamSet = (DerObjectIdentifier) seq[1];
+
+ if (seq.Count > 2)
+ {
+ this.encryptionParamSet = (DerObjectIdentifier) seq[2];
+ }
+ }
+
+ public DerObjectIdentifier PublicKeyParamSet
+ {
+ get { return publicKeyParamSet; }
+ }
+
+ public DerObjectIdentifier DigestParamSet
+ {
+ get { return digestParamSet; }
+ }
+
+ public DerObjectIdentifier EncryptionParamSet
+ {
+ get { return encryptionParamSet; }
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ Asn1EncodableVector v = new Asn1EncodableVector(
+ publicKeyParamSet, digestParamSet);
+
+ if (encryptionParamSet != null)
+ {
+ v.Add(encryptionParamSet);
+ }
+
+ return new DerSequence(v);
+ }
+ }
+}
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