Change comments. (The expected number of iterations in BN_rand_range

never exceeds 1.333...).

diff --git a/crypto/bn/bn_rand.c b/crypto/bn/bn_rand.c
index a2e1fdd3e43f93e210f3306119b90584b6a01499..3873eac6896678c46fcfc925889200e134fbb26b 100644 (file)
--- a/crypto/bn/bn_rand.c
+++ b/crypto/bn/bn_rand.c
@@ -190,7 +190,7 @@ int BN_rand_range(BIGNUM *r, BIGNUM *min, BIGNUM *range)
                {
                do
                        {
-                       /* range = 11..._2, so each iteration succeeds with probability > .5 */
+                       /* range = 11..._2, so each iteration succeeds with probability > .75 */
                        if (!BN_rand(r, n, 0, 0)) return 0;
                        }
                while (BN_cmp(r, range) >= 0);
@@ -206,7 +206,7 @@ int BN_rand_range(BIGNUM *r, BIGNUM *min, BIGNUM *range)
                         * (which is either  r, r - range,  or  r - 2*range).
                         * Otherwise, iterate once more.
                         * Since  3*range = 11..._2, each iteration succeeds with
-                        * probability > .5. */
+                        * probability > .75. */
                        if (BN_cmp(r ,range) >= 0)
                                {
                                if (!BN_sub(r, r, range)) return 0;