1 files changed, 36 insertions, 0 deletions
diff --git a/bcpkix/src/main/java/org/bouncycastle/operator/OutputEncryptor.java b/bcpkix/src/main/java/org/bouncycastle/operator/OutputEncryptor.java
new file mode 100644
index 0000000..383e1fd
--- /dev/null
+++ b/bcpkix/src/main/java/org/bouncycastle/operator/OutputEncryptor.java
@@ -0,0 +1,36 @@
+package org.bouncycastle.operator;
+
+import java.io.OutputStream;
+
+import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
+
+/**
+ * General interface for an operator that is able to produce
+ * an OutputStream that will output encrypted data.
+ */
+public interface OutputEncryptor
+{
+    /**
+     * Return the algorithm identifier describing the encryption
+     * algorithm and parameters this encryptor uses.
+     *
+     * @return algorithm oid and parameters.
+     */
+    AlgorithmIdentifier getAlgorithmIdentifier();
+
+    /**
+     * Wrap the passed in output stream encOut, returning an output stream
+     * that encrypts anything passed in before sending on to encOut.
+     *
+     * @param encOut output stream for encrypted output.
+     * @return an encrypting OutputStream
+     */
+    OutputStream getOutputStream(OutputStream encOut);
+
+    /**
+     * Return the key used for encrypting the output.
+     *
+     * @return the encryption key.
+     */
+    GenericKey getKey();
+}