diff --git a/src/rnd.c b/src/rnd.c
index ddbe3a0..5e8608b 100644
--- a/src/rnd.c
+++ b/src/rnd.c
@@ -38,7 +38,7 @@
 
 /*------------------------------------------------------------------------*/
 
-static int
+int
 get_rnd_int(void)
 {
 	int rnd_data = open("/dev/random", O_RDONLY);
@@ -62,7 +62,7 @@ get_rnd_int(void)
 
 /*------------------------------------------------------------------------*/
 
-static int
+int
 get_urnd_int(void)
 {
 	int rnd_data = open("/dev/urandom", O_RDONLY);
diff --git a/src/rnd.h b/src/rnd.h
index c4e7167..d29c694 100644
--- a/src/rnd.h
+++ b/src/rnd.h
@@ -35,6 +35,22 @@
 #include <fmpz_poly.h>
 
 
+/**
+ * Get a random integer from /dev/random.
+ *
+ * @return random integer
+ */
+int
+get_rnd_int(void);
+
+/**
+ * Get a pseudo random integer from /dev/urandom.
+ *
+ * @return pseudo-random integer.
+ */
+int
+get_urnd_int(void);
+
 /**
  * Get a random ternary polynomial with specified numbers
  * of 1 coefficients and -1 coefficients.