1 files changed, 30 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/crypto/MessageEncryptor.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/crypto/MessageEncryptor.java
new file mode 100644
index 000000000..4d5ea6b28
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/crypto/MessageEncryptor.java
@@ -0,0 +1,30 @@
+package org.spongycastle.pqc.crypto;
+
+
+import org.spongycastle.crypto.CipherParameters;
+
+public interface MessageEncryptor
+{
+
+    /**
+     *
+     * @param forEncrypting true if we are encrypting a signature, false
+     * otherwise.
+     * @param param key parameters for encryption or decryption.
+     */
+    public void init(boolean forEncrypting, CipherParameters param);
+
+    /**
+     *
+     * @param message the message to be signed.
+     * @throws Exception 
+     */
+    public byte[] messageEncrypt(byte[] message) throws Exception;
+
+    /**
+     *
+     * @param cipher the cipher text of the message
+     * @throws Exception 
+     */
+    public byte[] messageDecrypt(byte[] cipher) throws Exception;
+}