rsatest Class Reference

RSA tests for all rsa and associated classes. More...

#include <rsatest.h>

List of all members.

Static Public Member Functions
static int	unittest01 ()
	Small RSA example with maths library.
static int	unittest02 ()
	Small RSA example with rsa classes.
static void	test01 ()
	String and stream conversions written to files.
static void	test02 (int argc, char **argv)
	Comparing sequential and random prime generation.

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Detailed Description

RSA tests for all rsa and associated classes.

Definition at line 7 of file rsatest.h.

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Member Function Documentation

void rsatest::test01

(

)

[static]

String and stream conversions written to files.

Definition at line 84 of file rsatest.cpp.

References digdiv::blksz, digdiv::forward(), asciitodig::forward(), digdiv::reverse(), and asciitodig::reverse().

Referenced by main().

{
  string s;
  ifstream f1("main.cpp");
  asciitodig::forward(s,f1);
  ofstream f2("tmp11.txt");
  asciitodig::reverse(f2,s);

  digdiv d;
  d.blksz = 5;
  d.forward(s);
//  printv(d.v);
  ofstream f3("tmp12.txt");
  string s2;
  d.reverse(s2);
  asciitodig::reverse(f3,s2);
}

void rsatest::test02	(	int	argc,
		char **	argv
	)			[static]

Comparing sequential and random prime generation.

Definition at line 102 of file rsatest.cpp.

References aclock::diff_s(), largePrimeGenerator::findprime_randomly(), largePrimeGenerator::findprime_sequentially(), commandline::mapvar(), and aclock::measure().

Referenced by main().

{
  commandline c(argc,argv);
  unsigned int nbits(200);
  c.mapvar(nbits,"nbits");

  largePrimeGenerator p;

  aclock clk;
  clk.measure();
  ZZ n;
  unsigned int imax=30;
  for ( unsigned int i=0; i<imax; ++i )
  {
    p.findprime_sequentially(n,nbits);
    cout << n << endl;
  }
  clk.measure();
  cout << "sequential time(s)=" << clk.diff_s() << endl;

  for ( unsigned int i=0; i<imax; ++i )
  {
    p.findprime_randomly(n,nbits);
    cout << n << endl;
  }
  clk.measure();
  cout << "random time(s)=" << clk.diff_s() << endl;
}

int rsatest::unittest01

(

)

[static]

Small RSA example with maths library.

Definition at line 18 of file rsatest.cpp.

Referenced by main().

{
  cout << "Small RSA example with maths library." << endl;

  ZZ p;
  conv(p,"47");
  ZZ q;
  conv(q,"71");
  ZZ n = p*q;
  ZZ n2 = (p-1)*(q-1);

  ZZ e;
  conv(e,"79");
 
  ZZ d;
  InvMod(d,e,n2);

  cout << "d=" << d << endl;

  ZZ m;
  conv(m,"688");
  cout << "m=" << m << endl;

  ZZ c;
  PowerMod(c,m,e,n);
  cout << "c=" << c << endl;

  ZZ m2;
  PowerMod(m2,c,d,n);
  cout << "D(c)=" << m2 << endl;

  if (m!=m2)
    return 1;

  return 0;
}

int rsatest::unittest02

(

)

[static]

Small RSA example with rsa classes.

Definition at line 55 of file rsatest.cpp.

References rsaD::e, rsaE::e, rsaD::init(), rsaE::n, rsaD::p, and rsaD::q.

Referenced by main().

{
  cout << "Small RSA example with rsa classes." << endl;
  rsaE E;
  conv(E.e,"79");
  conv(E.n,"3337");  //47*71=3337

  string m1("688");
  string c1;
  E(c1,m1);
  cout << "c1=" << c1 << endl;

  rsaD D;
  conv(D.e,"79");
  conv(D.p,"47");
  conv(D.q,"71");
  D.init();


  string m2;
  D(m2,c1);
  cout << "m2=" << m2 << endl;

  if (m1!=m2)
    return 1;

  return 0;
}

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The documentation for this class was generated from the following files:

• rsa/rsatest.h
• rsa/rsatest.cpp