Ignore failures load ECDH private keys in CmsSignerTests

Author: jstedfast

UnitTests/Cryptography/CmsSignerTests.cs

@@ -24,6 +24,7 @@
 // THE SOFTWARE.
 //
 
+using System.Security.Cryptography;
 using System.Security.Cryptography.X509Certificates;
 
 using Org.BouncyCastle.Pkcs;
@@ -153,6 +154,9 @@ public void TestConstructors ()
 				try {
 					var cert = new X509Certificate2 (path, password, X509KeyStorageFlags.Exportable);
 					signer = new CmsSigner (cert);
+				} catch (CryptographicException cex) {
+					if (!path.EndsWith ("\\ec\\smime.pfx", StringComparison.Ordinal) || !cex.Message.Equals ("Keyset does not exist", StringComparison.Ordinal))
+						Assert.Fail ($".ctor (X509Certificate2): {cex}");
 				} catch (Exception ex) {
 					Assert.Fail ($".ctor (X509Certificate2): {ex}");
 				}