Document AES accelerator functions as internal
diff --git a/include/mbedtls/padlock.h b/include/mbedtls/padlock.h
index 677936e..95e2bfc 100644
--- a/include/mbedtls/padlock.h
+++ b/include/mbedtls/padlock.h
@@ -3,6 +3,9 @@
*
* \brief VIA PadLock ACE for HW encryption/decryption supported by some
* processors
+ *
+ * \warning These functions are only for internal use by other library
+ * functions; you must not call them directly.
*/
/*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
@@ -57,7 +60,10 @@
#endif
/**
- * \brief PadLock detection routine
+ * \brief Internal PadLock detection routine
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
*
* \param feature The feature to detect
*
@@ -66,7 +72,10 @@
int mbedtls_padlock_has_support( int feature );
/**
- * \brief PadLock AES-ECB block en(de)cryption
+ * \brief Internal PadLock AES-ECB block en(de)cryption
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
@@ -76,12 +85,15 @@
* \return 0 if success, 1 if operation failed
*/
int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx,
- int mode,
- const unsigned char input[16],
- unsigned char output[16] );
+ int mode,
+ const unsigned char input[16],
+ unsigned char output[16] );
/**
- * \brief PadLock AES-CBC buffer en(de)cryption
+ * \brief Internal PadLock AES-CBC buffer en(de)cryption
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
@@ -93,11 +105,11 @@
* \return 0 if success, 1 if operation failed
*/
int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx,
- int mode,
- size_t length,
- unsigned char iv[16],
- const unsigned char *input,
- unsigned char *output );
+ int mode,
+ size_t length,
+ unsigned char iv[16],
+ const unsigned char *input,
+ unsigned char *output );
#ifdef __cplusplus
}