1 files changed, 43 insertions, 0 deletions
diff --git a/crypto/src/asn1/tsp/CryptoInfos.cs b/crypto/src/asn1/tsp/CryptoInfos.cs
new file mode 100644
index 000000000..b0b84c014
--- /dev/null
+++ b/crypto/src/asn1/tsp/CryptoInfos.cs
@@ -0,0 +1,43 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Tsp
+{
+    /**
+     * Implementation of the CryptoInfos element defined in RFC 4998:
+     * <p>
+     * CryptoInfos ::= SEQUENCE SIZE (1..MAX) OF Attribute
+     */
+    public class CryptoInfos
+        : Asn1Encodable
+    {
+        public static CryptoInfos GetInstance(object obj)
+        {
+            if (obj == null)
+                return null;
+            if (obj is CryptoInfos cryptoInfos)
+                return cryptoInfos;
+            return new CryptoInfos(Asn1Sequence.GetInstance(obj));
+        }
+
+        public static CryptoInfos GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
+        {
+            return new CryptoInfos(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
+        }
+
+        private readonly Asn1Sequence m_attributes;
+
+        private CryptoInfos(Asn1Sequence attributes)
+        {
+            m_attributes = attributes;
+        }
+
+        public CryptoInfos(Asn1.Cms.Attribute[] attrs)
+        {
+            m_attributes = new DerSequence(attrs);
+        }
+
+        public virtual Asn1.Cms.Attribute[] GetAttributes() => m_attributes.MapElements(Asn1.Cms.Attribute.GetInstance);
+
+        public override Asn1Object ToAsn1Object() => m_attributes;
+    }
+}