1 files changed, 29 insertions, 0 deletions
diff --git a/crypto/src/crmf/IEncryptedValuePadder.cs b/crypto/src/crmf/IEncryptedValuePadder.cs
new file mode 100644
index 000000000..b620186dc
--- /dev/null
+++ b/crypto/src/crmf/IEncryptedValuePadder.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Org.BouncyCastle.Crmf
+{
+    /**
+     * An encrypted value padder is used to make sure that prior to a value been
+     * encrypted the data is padded to a standard length.
+     */
+    public interface EncryptedValuePadder
+    {
+        /**
+         * Return a byte array of padded data.
+         *
+         * @param data the data to be padded.
+         * @return a padded byte array containing data.
+         */
+        byte[] GetPaddedData(byte[] data);
+
+        /**
+         * Return a byte array of with padding removed.
+         *
+         * @param paddedData the data to be padded.
+         * @return an array containing the original unpadded data.
+         */
+        byte[] GetUnpaddedData(byte[] paddedData);
+    }
+}