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bug and serialization functionality #1

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ad63fcc
randn4 was not visible causing compile error (not sure why the lines …
Mar 5, 2013
f0f3d74
Added serialization methods for the element since spill/restore seria…
Mar 5, 2013
45dbc53
Implemented serialization methods for the element
Mar 5, 2013
99656e5
Implemented serialization methods for the element
Mar 5, 2013
45ab085
added modified statement
Mar 5, 2013
44ee0b8
Implemented serialization methods for the element
Mar 5, 2013
495775b
Implemented serialization methods for the element
Mar 5, 2013
b23e6a1
implemented serialization methods for the element
Mar 5, 2013
0d2178e
reverted last change (had overriden by mistake)
Mar 5, 2013
4c15c1b
implemented serialization methods for the element
Mar 5, 2013
b09f5fc
updated revision history
Mar 5, 2013
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317 changes: 315 additions & 2 deletions source/curve/pairing/bls_pair.cpp
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@

/***************************************************************************
*
This file has been modified by Raytheon BBN Technologies - January 2013. *

Copyright 2013 CertiVox IOM Ltd. *
*
This file is part of CertiVox MIRACL Crypto SDK. *
Expand Down Expand Up @@ -1353,6 +1353,188 @@ void GT::restore(char *bytes)
delete [] bytes;
}

/*
* Serialization method for the points
*
*/
int GT::serialize(char *& bytes)
{
int j=0;
int bytes_per_big=(MIRACL/8)*(get_mip()->nib-1);
int len=24*bytes_per_big;
ZZn8 a,b,c;
ZZn4 f,s;
ZZn2 p,q;
Big x,y;

bytes=new char[len];

g.get(a,b,c);
a.get(f,s);
f.get(p,q);
p.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
q.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
s.get(p,q);
p.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
q.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
b.get(f,s);
f.get(p,q);
p.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
q.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
s.get(p,q);
p.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
q.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
c.get(f,s);
f.get(p,q);
p.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
q.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
s.get(p,q);
p.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
q.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;

return len;
}
/*
* Deserialization method for the points
* This will reset the element precomp
*
*/
void GT::deserialize(char *bytes)
{
int j=0;
int bytes_per_big=(MIRACL/8)*(get_mip()->nib-1);
int len=24*bytes_per_big;
ZZn8 a,b,c;
ZZn4 f,s;
ZZn2 p,q;
Big x,y;
if (etable!=NULL){
delete [] etable;
etable = NULL;
}
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
p.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
q.set(x,y);
f.set(p,q);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
p.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
q.set(x,y);
s.set(p,q);
a.set(f,s);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
p.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
q.set(x,y);
f.set(p,q);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
p.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
q.set(x,y);
s.set(p,q);
b.set(f,s);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
p.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
q.set(x,y);
f.set(p,q);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
p.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
q.set(x,y);
s.set(p,q);
c.set(f,s);

g.set(a,b,c);

delete [] bytes;
}

G1 operator+(const G1& x,const G1& y)
{
G1 z=x;
Expand Down Expand Up @@ -1418,6 +1600,52 @@ void G1::restore(char *bytes)
delete [] bytes;
}

/*
* Serialization method for the point x,y
*
*/
int G1::serialize(char *& bytes)
{
int j=0;
int bytes_per_big=(MIRACL/8)*(get_mip()->nib-1);
int len=2*bytes_per_big;
Big x,y;

bytes=new char[len];

g.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);

return len;
}
/*
* Deserialization method for the point x,y
* This will reset the element to point x,y
*
*/
void G1::deserialize(char *bytes)
{
int j=0;
int bytes_per_big=(MIRACL/8)*(get_mip()->nib-1);
int len=2*bytes_per_big;
Big x,y;
//reset precomp
if (mtable!=NULL){
delete [] mtable;
mtable=NULL;
}

x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
g.set(x,y);

delete [] bytes;
}


G2 operator+(const G2& x,const G2& y)
{
G2 z=x;
Expand Down Expand Up @@ -1524,6 +1752,91 @@ void G2::restore(char *bytes)
delete [] bytes;
}

/*
* Serialization method for the points
*
*/
int G2::serialize(char *& bytes)
{
int j=0;
int bytes_per_big=(MIRACL/8)*(get_mip()->nib-1);
int len=8*bytes_per_big;
ZZn4 a,b;
ZZn2 f,s;
Big x,y;

bytes=new char[len];

g.get(a,b);
a.get(f,s);
f.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
s.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
b.get(f,s);
f.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
s.get(x,y);
to_binary(x,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;
to_binary(y,bytes_per_big,&bytes[j],TRUE);
j+=bytes_per_big;

return len;
}
/*
* Deserialization method for the points
* This will reset the element precomp
*
*/
void G2::deserialize(char *bytes)
{
int j=0;
int bytes_per_big=(MIRACL/8)*(get_mip()->nib-1);
int len=8*bytes_per_big;
ZZn4 a,b;
ZZn2 f,s;
Big x,y;
//reset precomp
if (mtable!=NULL){
delete [] mtable;
mtable=NULL;
}
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
f.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
s.set(x,y);
a.set(f,s);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
f.set(x,y);
x=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
y=from_binary(bytes_per_big,&bytes[j]);
j+=bytes_per_big;
s.set(x,y);
b.set(f,s);
g.set(a,b);

delete [] bytes;
}

// Fast group membership check for GT
// check if r is of order q
Expand Down
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