Remove CmsSigner property setters not present in .NET Framework.

2 files changed, 7 insertions, 6 deletions

diff --git a/src/System.Security.Cryptography.Pkcs/ref/System.Security.Cryptography.Pkcs.cs b/src/System.Security.Cryptography.Pkcs/ref/System.Security.Cryptography.Pkcs.cs
index 044de82df3..79ecb125bb 100644
--- a/src/System.Security.Cryptography.Pkcs/ref/System.Security.Cryptography.Pkcs.cs
+++ b/src/System.Security.Cryptography.Pkcs/ref/System.Security.Cryptography.Pkcs.cs
@@ -91,9 +91,9 @@ namespace System.Security.Cryptography.Pkcs
         public SubjectIdentifierType SignerIdentifierType { get => throw null; set => throw null; }
         public System.Security.Cryptography.X509Certificates.X509Certificate2 Certificate { get => throw null; set => throw null; }
         public Oid DigestAlgorithm { get => throw null; set => throw null; }
-        public CryptographicAttributeObjectCollection SignedAttributes { get => throw null; set => throw null; }
-        public CryptographicAttributeObjectCollection UnsignedAttributes { get => throw null; set => throw null; }
-        public System.Security.Cryptography.X509Certificates.X509Certificate2Collection Certificates { get => throw null; set => throw null; }
+        public CryptographicAttributeObjectCollection SignedAttributes { get => throw null; }
+        public CryptographicAttributeObjectCollection UnsignedAttributes { get => throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2Collection Certificates { get => throw null; }
         public System.Security.Cryptography.X509Certificates.X509IncludeOption IncludeOption { get => throw null; set => throw null; }
     }
     public sealed partial class ContentInfo
diff --git a/src/System.Security.Cryptography.Pkcs/src/System/Security/Cryptography/Pkcs/CmsSigner.cs b/src/System.Security.Cryptography.Pkcs/src/System/Security/Cryptography/Pkcs/CmsSigner.cs
index 30f49b6570..4a5b1b23d2 100644
--- a/src/System.Security.Cryptography.Pkcs/src/System/Security/Cryptography/Pkcs/CmsSigner.cs
+++ b/src/System.Security.Cryptography.Pkcs/src/System/Security/Cryptography/Pkcs/CmsSigner.cs
@@ -22,11 +22,12 @@ namespace System.Security.Cryptography.Pkcs
         private SubjectIdentifierType _signerIdentifierType;
 
         public X509Certificate2 Certificate { get; set; }
-        public X509Certificate2Collection Certificates { get; set; } = new X509Certificate2Collection();
+        public AsymmetricAlgorithm PrivateKey { get; set; }
+        public X509Certificate2Collection Certificates { get; private set; } = new X509Certificate2Collection();
         public Oid DigestAlgorithm { get; set; }
         public X509IncludeOption IncludeOption { get; set; }
-        public CryptographicAttributeObjectCollection SignedAttributes { get; set; } = new CryptographicAttributeObjectCollection();
-        public CryptographicAttributeObjectCollection UnsignedAttributes { get; set; } = new CryptographicAttributeObjectCollection();
+        public CryptographicAttributeObjectCollection SignedAttributes { get; private set; } = new CryptographicAttributeObjectCollection();
+        public CryptographicAttributeObjectCollection UnsignedAttributes { get; private set; } = new CryptographicAttributeObjectCollection();
 
         public SubjectIdentifierType SignerIdentifierType
         {