[8445] Fixed redundant calculation of v and s on every login Author: arrai

    The SRP-6 specifications clearly say, that v and s are only to be
    calculated on registering a user and changing his password; calculating
    them on every login is plain waste.

--HG--
branch : trunk

1 files changed, 5 insertions, 0 deletions

diff --git a/src/shared/Auth/BigNumber.cpp b/src/shared/Auth/BigNumber.cpp
index 7872b141f3d..8869d3bb9e5 100644
--- a/src/shared/Auth/BigNumber.cpp
+++ b/src/shared/Auth/BigNumber.cpp
@@ -161,6 +161,11 @@ uint32 BigNumber::AsDword()
     return (uint32)BN_get_word(_bn);
 }
 
+bool BigNumber::isZero() const
+{
+    return BN_is_zero(_bn)!=0;
+}
+
 uint8 *BigNumber::AsByteArray(int minSize)
 {
     int length = (minSize >= GetNumBytes()) ? minSize : GetNumBytes();