diff options
Diffstat (limited to 'blumshub.cpp')
| -rw-r--r-- | blumshub.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/blumshub.cpp b/blumshub.cpp index f715c84..40c654a 100644 --- a/blumshub.cpp +++ b/blumshub.cpp @@ -41,9 +41,11 @@ BlumBlumShub::BlumBlumShub(const Integer &p, const Integer &q, const Integer &se void BlumBlumShub::Seek(dword index) { - Integer e = a_exp_b_mod_c (2, ((index*8) / maxBits + 1), (p-1)*(q-1)); + Integer i(Integer::POSITIVE, HIGH_WORD(index), word(index)); + i *= 8; + Integer e = a_exp_b_mod_c (2, i / maxBits + 1, (p-1)*(q-1)); current = modn.Exponentiate(x0, e); - bitsLeft = maxBits - int((index*8) % maxBits); + bitsLeft = maxBits - i % maxBits; } NAMESPACE_END |