- Renamed include directory to polarssl
diff --git a/include/polarssl/aes.h b/include/polarssl/aes.h
new file mode 100644
index 0000000..85f7851
--- /dev/null
+++ b/include/polarssl/aes.h
@@ -0,0 +1,103 @@
+/**
+ * \file aes.h
+ */
+#ifndef XYSSL_AES_H
+#define XYSSL_AES_H
+
+#define AES_ENCRYPT 1
+#define AES_DECRYPT 0
+
+/**
+ * \brief AES context structure
+ */
+typedef struct
+{
+ int nr; /*!< number of rounds */
+ unsigned long *rk; /*!< AES round keys */
+ unsigned long buf[68]; /*!< unaligned data */
+}
+aes_context;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief AES key schedule (encryption)
+ *
+ * \param ctx AES context to be initialized
+ * \param key encryption key
+ * \param keysize must be 128, 192 or 256
+ */
+void aes_setkey_enc( aes_context *ctx, unsigned char *key, int keysize );
+
+/**
+ * \brief AES key schedule (decryption)
+ *
+ * \param ctx AES context to be initialized
+ * \param key decryption key
+ * \param keysize must be 128, 192 or 256
+ */
+void aes_setkey_dec( aes_context *ctx, unsigned char *key, int keysize );
+
+/**
+ * \brief AES-ECB block encryption/decryption
+ *
+ * \param ctx AES context
+ * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \param input 16-byte input block
+ * \param output 16-byte output block
+ */
+void aes_crypt_ecb( aes_context *ctx,
+ int mode,
+ unsigned char input[16],
+ unsigned char output[16] );
+
+/**
+ * \brief AES-CBC buffer encryption/decryption
+ *
+ * \param ctx AES context
+ * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \param length length of the input data
+ * \param iv initialization vector (updated after use)
+ * \param input buffer holding the input data
+ * \param output buffer holding the output data
+ */
+void aes_crypt_cbc( aes_context *ctx,
+ int mode,
+ int length,
+ unsigned char iv[16],
+ unsigned char *input,
+ unsigned char *output );
+
+/**
+ * \brief AES-CFB128 buffer encryption/decryption
+ *
+ * \param ctx AES context
+ * \param mode AES_ENCRYPT or AES_DECRYPT
+ * \param length length of the input data
+ * \param iv_off offset in IV (updated after use)
+ * \param iv initialization vector (updated after use)
+ * \param input buffer holding the input data
+ * \param output buffer holding the output data
+ */
+void aes_crypt_cfb128( aes_context *ctx,
+ int mode,
+ int length,
+ int *iv_off,
+ unsigned char iv[16],
+ unsigned char *input,
+ unsigned char *output );
+
+/**
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if the test failed
+ */
+int aes_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* aes.h */