Circumvent bug in SC5 without patch #107357-01.

Submitted by: Andy Polyakov <appro@fy.chalmers.se>

diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c
index baff07040a3e9fd88c891786b71bb4cf8a7f27fe..defcf90c8223d282b36306aa3737dc3b22ca7460 100644 (file)
--- a/crypto/bn/bn_div.c
+++ b/crypto/bn/bn_div.c
@@ -216,10 +216,10 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
                t1=((BN_ULLONG)n0<<BN_BITS2)|n1;
                for (;;)
                        {
-                       t2=(BN_ULLONG)d1*q;
                        rem=t1-(BN_ULLONG)q*d0;
-                       if ((rem>>BN_BITS2) ||
-                               (t2 <= ((BN_ULLONG)(rem<<BN_BITS2)+wnump[-2])))
+                       t2=(BN_ULLONG)d1*q;
+                        if ((rem>>BN_BITS2) ||
+                               (t2 <= ((rem<<BN_BITS2)|wnump[-2])))
                                break;
                        q--;
                        }