Changed the root package from net.sf.briar to org.briarproject.

briar-api/src/org/briarproject/api/crypto/AuthenticatedCipher.java

@@ -0,0 +1,24 @@
+package org.briarproject.api.crypto;
+
+import java.security.GeneralSecurityException;
+
+/** An authenticated cipher that support additional authenticated data. */
+public interface AuthenticatedCipher {
+
+	/**
+	 * Initializes this cipher with a key, an initialisation vector (IV) and
+	 * additional authenticated data (AAD).
+	 */
+	void init(int opmode, SecretKey key, byte[] iv, byte[] aad)
+			throws GeneralSecurityException;
+
+	/** Encrypts or decrypts data in a single-part operation. */
+	int doFinal(byte[] input, int inputOff, int len, byte[] output,
+			int outputOff) throws GeneralSecurityException;
+
+	/** Returns the length of the message authenticated code (MAC) in bytes. */
+	int getMacLength();
+
+	/** Returns the block size of the cipher in bytes. */
+	int getBlockSize();
+}