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Moved tests from selftest to tests/test_suite_ecp

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This commit is contained in:
Manuel Pégourié-Gonnard
2012-11-07 21:39:45 +01:00
committed by Paul Bakker
parent a5402fee04
commit 4b8c3f2a1c
5 changed files with 181 additions and 185 deletions
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180
library/ecp.c
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@ -416,190 +416,12 @@ cleanup:
#if defined(POLARSSL_SELF_TEST)
#include "polarssl/error.h"
/*
* Return true iff P and Q are the same point
*/
static int ecp_point_eq( const ecp_point *P, const ecp_point *Q )
{
if( P->is_zero || Q->is_zero )
return( P->is_zero && Q->is_zero );
return( mpi_cmp_mpi( &P->X, &Q->X ) == 0 &&
mpi_cmp_mpi( &P->Y, &Q->Y ) == 0 );
}
/*
* Print a point assuming its coordinates are small
*/
static void ecp_point_print( const ecp_point *P )
{
if( P->is_zero )
printf( "zero\n" );
else
printf( "(%lu, %lu)\n", P->X.p[0], P->Y.p[0] );
}
#define TEST_GROUP_ORDER 13
/*
* Checkup routine
*
* Data for basic tests with small values gathered from
* http://danher6.100webspace.net/ecc/#EFp_interactivo and double-checked
* using Pari-GP.
*/
int ecp_self_test( int verbose )
{
int ret = 0;
unsigned i;
ecp_group grp;
ecp_point O, A, B, C, D, E, F, G, H, TMP;
ecp_point *add_tbl[][3] =
{
{ &O, &O, &O }, { &O, &A, &A }, { &A, &O, &A },
{ &A, &A, &O }, { &B, &C, &O }, { &C, &B, &O },
{ &A, &D, &E }, { &D, &A, &E },
{ &B, &D, &F }, { &D, &B, &F },
{ &D, &D, &G }, { &B, &B, &H },
};
mpi m;
ecp_point mul_tbl[TEST_GROUP_ORDER + 1];
char *mul_tbl_s[TEST_GROUP_ORDER - 1][2] =
{
{ "17", "42" },
{ "20", "01" },
{ "14", "11" },
{ "34", "33" },
{ "21", "32" },
{ "27", "30" },
{ "27", "17" },
{ "21", "15" },
{ "34", "14" },
{ "14", "36" },
{ "20", "46" },
{ "17", "05" },
};
ecp_group_init( &grp );
ecp_point_init( &O ); ecp_point_init( &A ); ecp_point_init( &B );
ecp_point_init( &C ); ecp_point_init( &D ); ecp_point_init( &E );
ecp_point_init( &F ); ecp_point_init( &G ); ecp_point_init( &H );
ecp_point_init( &TMP );
mpi_init( &m );
for( i = 0; i <= TEST_GROUP_ORDER; i++ )
ecp_point_init( &mul_tbl[i] );
ecp_set_zero( &O );
MPI_CHK( ecp_group_read_string( &grp, 10, "47", "4", "17", "42", "13" ) );
MPI_CHK( ecp_point_read_string( &A, 10, "13", "00" ) );
MPI_CHK( ecp_point_read_string( &B, 10, "14", "11" ) );
MPI_CHK( ecp_point_read_string( &C, 10, "14", "36" ) );
MPI_CHK( ecp_point_read_string( &D, 10, "37", "31" ) );
MPI_CHK( ecp_point_read_string( &E, 10, "34", "14" ) );
MPI_CHK( ecp_point_read_string( &F, 10, "45", "07" ) );
MPI_CHK( ecp_point_read_string( &G, 10, "21", "32" ) );
MPI_CHK( ecp_point_read_string( &H, 10, "27", "30" ) );
if( verbose != 0 )
printf( " ECP test #1 (ecp_add): " );
for( i = 0; i < sizeof( add_tbl ) / sizeof( add_tbl[0] ); i++ )
{
MPI_CHK( ecp_add( &grp, &TMP, add_tbl[i][0], add_tbl[i][1] ) );
if( ! ecp_point_eq( &TMP, add_tbl[i][2] ) )
{
if( verbose != 0 )
{
printf( " failed (%u)\n", i );
printf( " GOT: " );
ecp_point_print( &TMP );
printf( " EXPECTED: " );
ecp_point_print( add_tbl[i][2] );
}
return( 1 );
}
}
if( verbose != 0 )
printf( "passed\n" );
MPI_CHK( ecp_copy( &mul_tbl[0], &O ) );
for( i = 1; i <= TEST_GROUP_ORDER - 1; i++ )
MPI_CHK( ecp_point_read_string( &mul_tbl[i], 10,
mul_tbl_s[i-1][0], mul_tbl_s[i-1][1] ) );
MPI_CHK( ecp_copy( &mul_tbl[TEST_GROUP_ORDER], &O ) );
if( verbose != 0 )
printf( " ECP test #2 (ecp_mul): " );
for( i = 0; i <= TEST_GROUP_ORDER; i++ )
{
MPI_CHK( mpi_lset( &m, i ) );
MPI_CHK( ecp_mul( &grp, &TMP, &m, &grp.G ) );
if( ! ecp_point_eq( &TMP, &mul_tbl[i] ) )
{
if( verbose != 0 )
{
printf( " failed (%u)\n", i );
printf( " GOT: " );
ecp_point_print( &TMP );
printf( " EXPECTED: " );
ecp_point_print( &mul_tbl[i] );
}
return( 1 );
}
}
if( verbose != 0 )
printf( "passed\n" );
if( verbose != 0 )
printf( " ECP test #3 (use_known_dp): " );
for( i = 0; i <= POLARSSL_ECP_DP_SECP521R1; i++ )
{
MPI_CHK( ecp_use_known_dp( &grp, i ) );
}
if( verbose != 0 )
printf( "passed\n" );
cleanup:
if( ret != 0 && verbose != 0 )
{
#if defined(POLARSSL_ERROR_C)
char error_buf[200];
error_strerror( ret, error_buf, 200 );
printf( "Unexpected error: %d - %s\n\n", ret, error_buf );
#else
printf( "Unexpected error: %08X\n", ret );
#endif
}
ecp_group_free( &grp ); ecp_point_free( &O ); ecp_point_free( &TMP );
ecp_point_free( &A ); ecp_point_free( &B ); ecp_point_free( &C );
ecp_point_free( &D ); ecp_point_free( &E ); ecp_point_free( &F );
ecp_point_free( &G ); ecp_point_free( &H );
mpi_free( &m );
for( i = 0; i <= TEST_GROUP_ORDER; i++ )
ecp_point_free( &mul_tbl[i] );
if( verbose != 0 )
printf( "\n" );
return( ret );
return( verbose++ );
}
#endif