feat: add support for credProps.rk extension (#3132)

src/Core/Utilities/Fido2/Extensions/Fido2CreateCredentialExtensionsParams.cs

@@ -0,0 +1,9 @@
+namespace Bit.Core.Utilities.Fido2.Extensions
+{
+#nullable enable
+
+    public class Fido2CreateCredentialExtensionsParams
+    {
+        public bool CredProps { get; set; } = false;
+    }
+}

src/Core/Utilities/Fido2/Extensions/Fido2CreateCredentialExtensionsResult.cs

@@ -0,0 +1,9 @@
+namespace Bit.Core.Utilities.Fido2.Extensions
+{
+#nullable enable
+
+    public class Fido2CreateCredentialExtensionsResult
+    {
+        public Fido2CredPropsResult? CredProps { get; set; }
+    }
+}

src/Core/Utilities/Fido2/Extensions/Fido2CredPropsResult.cs

@@ -0,0 +1,9 @@
+namespace Bit.Core.Utilities.Fido2.Extensions
+{
+#nullable enable
+
+    public class Fido2CredPropsResult
+    {
+        public bool? Rk { get; set; } = false;
+    }
+}

src/Core/Utilities/Fido2/Fido2AuthenticatorMakeCredentialParams.cs

@@ -36,7 +36,7 @@ namespace Bit.Core.Utilities.Fido2
         /// The effective user verification preference for assertion, provided by the client.
         /// </summary>
         public Fido2UserVerificationPreference UserVerificationPreference { get; set; }
-        
+
         /// <summary>
         /// CTAP2 authenticators support setting this to false, but we only support the WebAuthn authenticator model which does not have that option.
         /// </summary>

src/Core/Utilities/Fido2/Fido2ClientCreateCredentialParams.cs

@@ -1,6 +1,8 @@
+using Bit.Core.Utilities.Fido2.Extensions;
+
 namespace Bit.Core.Utilities.Fido2
 {
-    #nullable enable
+#nullable enable
 
     /// <summary>
     /// Parameters for creating a new credential.
@@ -42,9 +44,8 @@ namespace Bit.Core.Utilities.Fido2
 
         /// <summary>
         /// This member contains additional parameters requesting additional processing by the client and authenticator.
-        /// Not currently supported.
         /// </summary>
-        public object? Extensions { get; set; }
+        public Fido2CreateCredentialExtensionsParams? Extensions { get; set; }
 
         /// <summary>
         /// This member contains information about the desired properties of the credential to be created.

src/Core/Utilities/Fido2/Fido2ClientCreateCredentialResult.cs

@@ -1,3 +1,5 @@
+using Bit.Core.Utilities.Fido2.Extensions;
+
 namespace Bit.Core.Utilities.Fido2
 {
     /// <summary>
@@ -15,5 +17,6 @@ namespace Bit.Core.Utilities.Fido2
         public byte[] PublicKey { get; set; }
         public int PublicKeyAlgorithm { get; set; }
         public string[] Transports { get; set; }
+        public Fido2CreateCredentialExtensionsResult Extensions { get; set; }
     }
 }