merge from master pcl-v1.8.3.37

1 files changed, 17 insertions, 0 deletions

diff --git a/crypto/src/crypto/IDsaExt.cs b/crypto/src/crypto/IDsaExt.cs
new file mode 100644

index 000000000..15b55787a
--- /dev/null
+++ b/crypto/src/crypto/IDsaExt.cs
@@ -0,0 +1,17 @@
+using System;
+
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Crypto
+{
+    /// <summary>
+    /// An "extended" interface for classes implementing DSA-style algorithms, that provides access
+    /// to the group order.
+    /// </summary>
+    public interface IDsaExt
+        : IDsa
+    {
+        /// <summary>The order of the group that the r, s values in signatures belong to.</summary>
+        BigInteger Order { get; }
+    }
+}