--- a/common/binverify.h	Thu Jul 10 19:14:22 2014 +0200
+++ b/common/binverify.h	Thu Jul 10 19:15:22 2014 +0200
@@ -39,10 +39,15 @@
  * Caution: This function works on file names only which could
  * be modified after this check.
  *
- * The verification is done using Windows crypto API based on
+ * Windows verification is done using Windows crypto API based on
  * embedded PKCS 7 "authenticode" signatures embedded into the
  * file.
  *
+ * On Linux the last pattern of \r\nS: (0x0d0a533A) is looked up and
+ * afterwards a 3072 Bit Base64 encoded RSA signature is expected.
+ * The signature is verified against the built in codesigning key in
+ * the same certificate that is used for windows verification.
+ *
  * @param[in] filename absolute null terminated UTF-8 encoded path to the file.
  * @param[in] name_len length of the filename.
  *
@@ -55,7 +60,15 @@
  * @brief windows implementation of verify_binary
  */
 bin_verify_result verify_binary_win(const char *filename, size_t name_len);
-#endif /* WIN32 */
+#else /* WIN32 */
+/**@def Max size of a valid binary in byte */
+#define MAX_VALID_BIN_SIZE (32 * 1024 * 1024)
+
+/**
+ * @brief linux implementation of verify_binary
+ */
+bin_verify_result verify_binary_linux(const char *filename, size_t name_len);
+#endif
 
 #ifdef __cplusplus
 }