memcmp: Introduce and use consttime_memeq

[secnet] / util.h

diff --git a/util.h b/util.h
index 7991743..cbe9f52 100644 (file)
--- a/util.h
+++ b/util.h
@@ -45,4 +45,6 @@ extern int32_t write_mpbin(MP_INT *a, uint8_t *buffer, int32_t buflen);
 
 extern struct log_if *init_log(list_t *loglist);
 
+extern int consttime_memeq(const void *s1, const void *s2, size_t n);
+
 #endif /* util_h */