diff --git a/include/polarssl/aesni.h b/include/polarssl/aesni.h
index 9aaeff1..d6684fc 100644
--- a/include/polarssl/aesni.h
+++ b/include/polarssl/aesni.h
@@ -38,12 +38,27 @@
 #if defined(POLARSSL_HAVE_X86_64)
 
 /**
- * \brief          AES_NI detection routine
+ * \brief          AES-NI detection routine
  *
  * \return         1 if CPU supports AES-NI, 0 otherwise
  */
 int aesni_supported( void );
 
+/**
+ * \brief          AES-NI AES-ECB block en(de)cryption
+ *
+ * \param ctx      AES context
+ * \param mode     AES_ENCRYPT or AES_DECRYPT
+ * \param input    16-byte input block
+ * \param output   16-byte output block
+ *
+ * \return         0 if success, 1 if operation failed
+ */
+int aesni_crypt_ecb( aes_context *ctx,
+                     int mode,
+                     const unsigned char input[16],
+                     unsigned char output[16] );
+
 #endif /* POLARSSL_HAVE_X86_64 */
 
 #endif /* POLARSSL_AESNI_H */