diff --git a/src/headers/tomcrypt_pk.h b/src/headers/tomcrypt_pk.h
index c374048..44b8575 100644
--- a/src/headers/tomcrypt_pk.h
+++ b/src/headers/tomcrypt_pk.h
@@ -25,7 +25,7 @@ int rand_prime(void *N, long len, prng_state *prng, int wprng);
 #ifdef LTC_SOURCE
 /* internal helper functions */
 int rand_bn_bits(void *N, int bits, prng_state *prng, int wprng);
-int rand_bn_range(void *N, void *limit, prng_state *prng, int wprng);
+int rand_bn_upto(void *N, void *limit, prng_state *prng, int wprng);
 
 enum public_key_algorithms {
    PKA_RSA,
diff --git a/src/math/rand_bn.c b/src/math/rand_bn.c
index 3d4f10c..a42ba64 100755
--- a/src/math/rand_bn.c
+++ b/src/math/rand_bn.c
@@ -53,7 +53,7 @@ cleanup:
 /**
   Generate a random number N in a range: 1 <= N < limit
 */
-int rand_bn_range(void *N, void *limit, prng_state *prng, int wprng)
+int rand_bn_upto(void *N, void *limit, prng_state *prng, int wprng)
 {
    int res, bits;
 
diff --git a/src/pk/dsa/dsa_encrypt_key.c b/src/pk/dsa/dsa_encrypt_key.c
index fcfbf89..c854367 100644
--- a/src/pk/dsa/dsa_encrypt_key.c
+++ b/src/pk/dsa/dsa_encrypt_key.c
@@ -76,7 +76,7 @@ int dsa_encrypt_key(const unsigned char *in,   unsigned long inlen,
     /* make a random g_priv, g_pub = g^x pair
        private key x should be in range: 1 <= x <= q-1 (see FIPS 186-4 B.1.2)
      */
-    if ((err = rand_bn_range(g_priv, key->q, prng, wprng)) != CRYPT_OK) {
+    if ((err = rand_bn_upto(g_priv, key->q, prng, wprng)) != CRYPT_OK) {
       goto LBL_ERR;
     }
 
diff --git a/src/pk/dsa/dsa_generate_key.c b/src/pk/dsa/dsa_generate_key.c
index 33f68c7..18b2df6 100644
--- a/src/pk/dsa/dsa_generate_key.c
+++ b/src/pk/dsa/dsa_generate_key.c
@@ -33,7 +33,7 @@ int dsa_generate_key(prng_state *prng, int wprng, dsa_key *key)
      Now we need a random exponent [mod q] and it's power g^x mod p
    */
   /* private key x should be from range: 1 <= x <= q-1 (see FIPS 186-4 B.1.2) */
-  if ((err = rand_bn_range(key->x, key->q, prng, wprng)) != CRYPT_OK)            { return err; }
+  if ((err = rand_bn_upto(key->x, key->q, prng, wprng)) != CRYPT_OK)          { return err; }
   if ((err = mp_exptmod(key->g, key->x, key->p, key->y)) != CRYPT_OK)            { return err; }
   key->type = PK_PRIVATE;