diff options
Diffstat (limited to 'gfpcrypt.cpp')
| -rw-r--r-- | gfpcrypt.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gfpcrypt.cpp b/gfpcrypt.cpp index a82c492..6d9ffce 100644 --- a/gfpcrypt.cpp +++ b/gfpcrypt.cpp @@ -148,8 +148,11 @@ bool DL_GroupParameters_IntegerBased::ValidateElement(unsigned int level, const // and at most 1 bit is leaked if it's false bool fullValidate = (GetFieldType() == 2 && level >= 3) || !FastSubgroupCheckAvailable(); - if (fullValidate) - pass = pass && IsIdentity(gpc ? gpc->Exponentiate(GetGroupPrecomputation(), q) : ExponentiateElement(g, q)); + if (fullValidate && pass) + { + Integer gp = gpc ? gpc->Exponentiate(GetGroupPrecomputation(), q) : ExponentiateElement(g, q); + pass = pass && IsIdentity(gp); + } else if (GetFieldType() == 1) pass = pass && Jacobi(g, p) == 1; } |