1 files changed, 24 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/crmf/EncryptedValuePadder.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/crmf/EncryptedValuePadder.java
new file mode 100644
index 000000000..d00b5b62c
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/crmf/EncryptedValuePadder.java
@@ -0,0 +1,24 @@
+package org.spongycastle.cert.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);
+}