From 0661cf3bc3259e0f14fc70d660c44c47f0b03a83 Mon Sep 17 00:00:00 2001
From: Peter Dettman <peter.dettman@bouncycastle.org>
Date: Sat, 6 Nov 2021 19:07:02 +0700
Subject: Add Asn1Utilities class

---
 crypto/BouncyCastle.Android.csproj |  1 +
 crypto/BouncyCastle.csproj         |  1 +
 crypto/BouncyCastle.iOS.csproj     |  1 +
 crypto/crypto.csproj               |  5 +++++
 crypto/src/asn1/Asn1Utilities.cs   | 28 ++++++++++++++++++++++++++++
 5 files changed, 36 insertions(+)
 create mode 100644 crypto/src/asn1/Asn1Utilities.cs

diff --git a/crypto/BouncyCastle.Android.csproj b/crypto/BouncyCastle.Android.csproj
index b327e9414..165e97219 100644
--- a/crypto/BouncyCastle.Android.csproj
+++ b/crypto/BouncyCastle.Android.csproj
@@ -77,6 +77,7 @@
     <Compile Include="src\asn1\Asn1Set.cs" />
     <Compile Include="src\asn1\Asn1TaggedObject.cs" />
     <Compile Include="src\asn1\Asn1Tags.cs" />
+    <Compile Include="src\asn1\Asn1Utilities.cs" />
     <Compile Include="src\asn1\BERBitString.cs" />
     <Compile Include="src\asn1\BERGenerator.cs" />
     <Compile Include="src\asn1\BEROctetStringGenerator.cs" />
diff --git a/crypto/BouncyCastle.csproj b/crypto/BouncyCastle.csproj
index 1db300922..ff0490af8 100644
--- a/crypto/BouncyCastle.csproj
+++ b/crypto/BouncyCastle.csproj
@@ -71,6 +71,7 @@
     <Compile Include="src\asn1\Asn1Set.cs" />
     <Compile Include="src\asn1\Asn1TaggedObject.cs" />
     <Compile Include="src\asn1\Asn1Tags.cs" />
+    <Compile Include="src\asn1\Asn1Utilities.cs" />
     <Compile Include="src\asn1\BERBitString.cs" />
     <Compile Include="src\asn1\BERGenerator.cs" />
     <Compile Include="src\asn1\BEROctetStringGenerator.cs" />
diff --git a/crypto/BouncyCastle.iOS.csproj b/crypto/BouncyCastle.iOS.csproj
index 33bbdcf57..5b7adbb36 100644
--- a/crypto/BouncyCastle.iOS.csproj
+++ b/crypto/BouncyCastle.iOS.csproj
@@ -72,6 +72,7 @@
     <Compile Include="src\asn1\Asn1Set.cs" />
     <Compile Include="src\asn1\Asn1TaggedObject.cs" />
     <Compile Include="src\asn1\Asn1Tags.cs" />
+    <Compile Include="src\asn1\Asn1Utilities.cs" />
     <Compile Include="src\asn1\BERBitString.cs" />
     <Compile Include="src\asn1\BERGenerator.cs" />
     <Compile Include="src\asn1\BEROctetStringGenerator.cs" />
diff --git a/crypto/crypto.csproj b/crypto/crypto.csproj
index 5e9459310..2030c97a4 100644
--- a/crypto/crypto.csproj
+++ b/crypto/crypto.csproj
@@ -243,6 +243,11 @@
                     SubType = "Code"
                     BuildAction = "Compile"
                 />
+                <File
+                    RelPath = "src\asn1\Asn1Utilities.cs"
+                    SubType = "Code"
+                    BuildAction = "Compile"
+                />
                 <File
                     RelPath = "src\asn1\BERApplicationSpecific.cs"
                     SubType = "Code"
diff --git a/crypto/src/asn1/Asn1Utilities.cs b/crypto/src/asn1/Asn1Utilities.cs
new file mode 100644
index 000000000..bdeb46483
--- /dev/null
+++ b/crypto/src/asn1/Asn1Utilities.cs
@@ -0,0 +1,28 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1
+{
+    public abstract class Asn1Utilities
+    {
+        public static string GetTagText(Asn1TaggedObject taggedObject)
+        {
+            // TODO[asn1] Implement and use taggedObject.TagClass
+            return GetTagText(Asn1Tags.ContextSpecific, taggedObject.TagNo);
+        }
+
+        public static string GetTagText(int tagClass, int tagNo)
+        {
+            switch (tagClass)
+            {
+            case Asn1Tags.Application:
+                return "[APPLICATION " + tagNo + "]";
+            case Asn1Tags.ContextSpecific:
+                return "[CONTEXT " + tagNo + "]";
+            case Asn1Tags.Private:
+                return "[PRIVATE " + tagNo + "]";
+            default:
+                return "[UNIVERSAL " + tagNo + "]";
+            }
+        }
+    }
+}
-- 
cgit 1.4.1