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Added ecp_sub() as a variant of ecp_add()

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Manuel Pégourié-Gonnard 2012-11-19 21:23:27 +01:00 • committed by Paul Bakker
parent 1c2782cc7c
commit 9674fd0d5e
4 changed files with 132 additions and 8 deletions
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27
tests/suites/test_suite_ecp.data
View file

@ -22,6 +22,33 @@ ecp_small_add:0:"37":"31":0:"37":"31":0:21:32
ECP small addition #8
ecp_small_add:0:"14":"11":0:"14":"11":0:27:30
ECP small subtraction #1
ecp_small_sub:1:"":"":1:"":"":1:0:0
ECP small subtraction #2
ecp_small_sub:1:"":"":0:"14":"11":0:14:36
ECP small subtraction #3
ecp_small_sub:1:"":"":0:"13":"00":0:13:00
ECP small subtraction #4
ecp_small_sub:0:"13":"00":0:"13":"00":1:0:0
ECP small subtraction #5
ecp_small_sub:0:"14":"11":0:"14":"11":1:0:0
ECP small subtraction #6
ecp_small_sub:0:"13":"00":0:"37":"16":0:34:14
ECP small subtraction #7
ecp_small_sub:0:"14":"11":0:"37":"16":0:45:07
ECP small subtraction #8
ecp_small_sub:0:"37":"31":0:"37":"16":0:21:32
ECP small subtraction #9
ecp_small_sub:0:"14":"11":0:"14":"36":0:27:30
ECP small multiplication negative
ecp_small_mul:-1:0:0:0:POLARSSL_ERR_ECP_GENERIC

37
tests/suites/test_suite_ecp.function
View file

@ -53,6 +53,43 @@ ecp_small_add:a_zero:x_a:y_a:b_zero:x_b:y_b:c_zero:x_c:y_c
}
END_CASE
BEGIN_CASE
ecp_small_sub:a_zero:x_a:y_a:b_zero:x_b:y_b:c_zero:x_c:y_c
{
ecp_group grp;
ecp_point A, B, C;
ecp_group_init( &grp );
ecp_point_init( &A ); ecp_point_init( &B ); ecp_point_init( &C );
TEST_ASSERT( ecp_group_read_string( &grp, 10,
"47", "4", "17", "42", "13" ) == 0 );
if( {a_zero} )
ecp_set_zero( &A );
else
TEST_ASSERT( ecp_point_read_string( &A, 10, {x_a}, {y_a} ) == 0 );
if( {b_zero} )
ecp_set_zero( &B );
else
TEST_ASSERT( ecp_point_read_string( &B, 10, {x_b}, {y_b} ) == 0 );
TEST_ASSERT( ecp_sub( &grp, &C, &A, &B ) == 0 );
if( {c_zero} )
TEST_ASSERT( mpi_cmp_int( &C.Z, 0 ) == 0 );
else
{
TEST_ASSERT( mpi_cmp_int( &C.X, {x_c} ) == 0 );
TEST_ASSERT( mpi_cmp_int( &C.Y, {y_c} ) == 0 );
}
ecp_group_free( &grp );
ecp_point_free( &A ); ecp_point_free( &B ); ecp_point_free( &C );
}
END_CASE
BEGIN_CASE
ecp_small_mul:m:r_zero:x_r:y_r:ret
{