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Better coverage for copy and swap

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Cover more cases: different signs, different zeronesses, repeated
argument.
This commit is contained in:
Gilles Peskine 2020-01-20 21:01:51 +01:00 • committed by Simon Butcher
parent 16fca92e3d
commit edb621b84a
2 changed files with 148 additions and 22 deletions
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95
tests/suites/test_suite_mpi.function
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@ -579,22 +579,40 @@ exit:
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_copy( int input_X, int input_A )
void mbedtls_mpi_copy_sint( int input_X, int input_Y )
{
mbedtls_mpi X, Y, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
mbedtls_mpi X, Y;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_lset( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &Y, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_copy( &Y, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &Y, input_X ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_copy_binary( data_t *input_X, data_t *input_Y )
{
mbedtls_mpi X, Y, X0;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &X0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &X, input_X->x, input_X->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &Y, input_Y->x, input_Y->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &X0, input_X->x, input_X->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &X0 ) == 0 );
TEST_ASSERT( mbedtls_mpi_copy( &Y, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &X0 ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &X0 ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &X0 );
}
/* END_CASE */
@ -686,22 +704,61 @@ exit:
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_swap( int input_X, int input_Y )
void mbedtls_mpi_swap_sint( int input_X, int input_Y )
{
mbedtls_mpi X, Y, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
mbedtls_mpi X, Y;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_lset( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &Y, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_lset( &A, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &Y, input_Y ) == 0 );
mbedtls_mpi_swap( &X, &Y );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) != 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &A ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &X, input_Y ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_int( &Y, input_X ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &A );
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_swap_binary( data_t *input_X, data_t *input_Y )
{
mbedtls_mpi X, Y, X0, Y0;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
mbedtls_mpi_init( &X0 ); mbedtls_mpi_init( &Y0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &X, input_X->x, input_X->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &Y, input_Y->x, input_Y->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &X0, input_X->x, input_X->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &Y0, input_Y->x, input_Y->len ) == 0 );
mbedtls_mpi_swap( &X, &Y );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y0 ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Y, &X0 ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
mbedtls_mpi_free( &X0 ); mbedtls_mpi_free( &Y0 );
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_swap_self( data_t *input_X )
{
mbedtls_mpi X, X0;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &X0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &X, input_X->x, input_X->len ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary_le( &X0, input_X->x, input_X->len ) == 0 );
mbedtls_mpi_swap( &X, &X );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &X0 ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &X0 );
}
/* END_CASE */