X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/98ba26b92452911f8f6b9cfccd134a4836218904..d3a22f7952add0b13fac029efb18faae537795bd:/sshbn.c

diff --git a/sshbn.c b/sshbn.c
index 3a5ddc03..1bd3f434 100644
--- a/sshbn.c
+++ b/sshbn.c
@@ -68,7 +68,7 @@ void freebn(Bignum b) {
 }
 
 Bignum bn_power_2(int n) {
-    Bignum ret = newbn((n+15)/16);
+    Bignum ret = newbn(n/16+1);
     bignum_set_bit(ret, n, 1);
     return ret;
 }