aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorlloyd <[email protected]>2006-06-25 14:45:54 +0000
committerlloyd <[email protected]>2006-06-25 14:45:54 +0000
commit8466c3c302bebb4468e13d3ea11b8227c7cc92e8 (patch)
tree60e05aa887804dd0c7980ef661012cc4e3d33bfe
parentcbdfc3aff3d9ef7b422f48efe22a11fc2115e248 (diff)
Rename some variables to make operation a little more obvious
-rw-r--r--src/def_ops.cpp16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/def_ops.cpp b/src/def_ops.cpp
index d17bb41b3..810e2b8e4 100644
--- a/src/def_ops.cpp
+++ b/src/def_ops.cpp
@@ -83,7 +83,7 @@ class Default_DSA_Op : public DSA_Operation
const BigInt x, y;
const DL_Group group;
Fixed_Base_Power_Mod powermod_g_p, powermod_y_p;
- Modular_Reducer reduce_p, reduce_q;
+ Modular_Reducer mod_p, mod_q;
};
/*************************************************
@@ -94,8 +94,8 @@ Default_DSA_Op::Default_DSA_Op(const DL_Group& grp, const BigInt& y1,
{
powermod_g_p = Fixed_Base_Power_Mod(group.get_g(), group.get_p());
powermod_y_p = Fixed_Base_Power_Mod(y, group.get_p());
- reduce_p = Modular_Reducer(group.get_p());
- reduce_q = Modular_Reducer(group.get_q());
+ mod_p = Modular_Reducer(group.get_p());
+ mod_q = Modular_Reducer(group.get_q());
}
/*************************************************
@@ -117,10 +117,10 @@ bool Default_DSA_Op::verify(const byte msg[], u32bit msg_len,
return false;
s = inverse_mod(s, q);
- s = reduce_p.multiply(powermod_g_p(reduce_q.multiply(s, i)),
- powermod_y_p(reduce_q.multiply(s, r)));
+ s = mod_p.multiply(powermod_g_p(mod_q.multiply(s, i)),
+ powermod_y_p(mod_q.multiply(s, r)));
- return (reduce_q.reduce(s) == r);
+ return (mod_q.reduce(s) == r);
}
/*************************************************
@@ -135,8 +135,8 @@ SecureVector<byte> Default_DSA_Op::sign(const byte in[], u32bit length,
const BigInt& q = group.get_q();
BigInt i(in, length);
- BigInt r = reduce_q.reduce(powermod_g_p(k));
- BigInt s = reduce_q.multiply(inverse_mod(k, q), mul_add(x, r, i));
+ BigInt r = mod_q.reduce(powermod_g_p(k));
+ BigInt s = mod_q.multiply(inverse_mod(k, q), mul_add(x, r, i));
if(r.is_zero() || s.is_zero())
throw Internal_Error("Default_DSA_Op::sign: r or s was zero");