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mce_qd: debug

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This commit is contained in:
Mirek Kratochvil 2012-09-30 17:29:42 +02:00
parent 09538f45d8
commit 63e3e591b6
2 changed files with 8 additions and 6 deletions
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10
lib/bvector.cpp
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@ -66,17 +66,19 @@ void bvector::to_poly_cotrace (polynomial&r, gf2m&fld)
{ {
r.clear(); r.clear();
if (size() % fld.m) return; //impossible if (size() % fld.m) return; //impossible
r.resize (size() / fld.m, 0); uint s=size()/fld.m;
r.resize (s, 0);
for (uint i = 0; i < size(); ++i) for (uint i = 0; i < size(); ++i)
if (item (i) ) r[i%fld.m] |= (1 << (i / fld.m) ); if (item (i) ) r[i%s] |= (1 << (i/s) );
} }
void bvector::from_poly_cotrace (const polynomial&r, gf2m&fld) void bvector::from_poly_cotrace (const polynomial&r, gf2m&fld)
{ {
clear(); clear();
resize (r.size() *fld.m, 0); uint s=r.size();
resize (s*fld.m, 0);
for (uint i = 0; i < size(); ++i) for (uint i = 0; i < size(); ++i)
item (i) = (r[i%fld.m] >> (i / fld.m) ) & 1; item (i) = (r[i%s] >> (i/s) ) & 1;
} }
/* /*

4
lib/mce_qd.cpp
View file

@ -90,7 +90,6 @@ int mce_qd::generate (pubkey&pub, privkey&priv, prng&rng,
//compute the support, retry if it has two equal elements. //compute the support, retry if it has two equal elements.
used.clear(); used.clear();
bool consistent = true; bool consistent = true;
used.insert (0); //zero is forbidden
for (uint i = 0; i < fld.n / 2; ++i) { for (uint i = 0; i < fld.n / 2; ++i) {
support[i] = fld.add ( support[i] = fld.add (
fld.inv (Hsig[i]), fld.inv (Hsig[i]),
@ -121,7 +120,7 @@ int mce_qd::generate (pubkey&pub, privkey&priv, prng&rng,
//assemble blocks to bl //assemble blocks to bl
std::vector<std::vector<uint> > bl, blp; std::vector<std::vector<uint> > bl, blp;
bl.resize (block_size); bl.resize (h_block_count);
for (uint i = 0; i < h_block_count; ++i) for (uint i = 0; i < h_block_count; ++i)
bl[i] = std::vector<uint> bl[i] = std::vector<uint>
(Hsig.begin() + i * block_size, (Hsig.begin() + i * block_size,
@ -174,6 +173,7 @@ int mce_qd::generate (pubkey&pub, privkey&priv, prng&rng,
continue; //retry with other hperm continue; //retry with other hperm
Hc.strip_right_square (l); Hc.strip_right_square (l);
ri.mult (l); ri.mult (l);
break;
} }
/* /*