- Added XTEA Algorithm (Not used in SSL)
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 9fd0821..a85f8fd 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -299,4 +299,10 @@
*/
#define POLARSSL_X509_WRITE_C
+/*
+ * Module: library/xtea.c
+ * Caller:
+ */
+#define POLARSSL_XTEA_C
+
#endif /* config.h */
diff --git a/include/polarssl/xtea.h b/include/polarssl/xtea.h
new file mode 100644
index 0000000..7a6b558
--- /dev/null
+++ b/include/polarssl/xtea.h
@@ -0,0 +1,72 @@
+/**
+ * \file xtea.h
+ *
+ * Copyright (C) 2009 Paul Bakker
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_XTEA_H
+#define POLARSSL_XTEA_H
+
+#define XTEA_ENCRYPT 1
+#define XTEA_DECRYPT 0
+
+
+/**
+ * \brief XTEA context structure
+ */
+typedef struct
+{
+ unsigned long k[4]; /*!< key */
+}
+xtea_context;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief XTEA key schedule
+ *
+ * \param ctx XTEA context to be initialized
+ * \param key the secret key
+ */
+void xtea_setup( xtea_context *ctx, unsigned char key[16] );
+
+/**
+ * \brief XTEA cipher function
+ *
+ * \param ctx XTEA context
+ * \param mode XTEA_ENCRYPT or XTEA_DECRYPT
+ * \param input 8-byte input block
+ * \param output 8-byte output block
+ */
+void xtea_crypt( xtea_context *ctx,
+ int mode,
+ unsigned char input[8],
+ unsigned char output[8] );
+
+/*
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if the test failed
+ */
+int xtea_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* xtea.h */