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Add tests to constant time mpi comparison

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This commit is contained in:
Janos Follath
2019-09-11 16:07:14 +01:00
parent ee6abcedfd
commit 385d5b8682
2 changed files with 56 additions and 0 deletions
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23
tests/suites/test_suite_mpi.function
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@ -587,6 +587,29 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_cmp_mpi_ct( int size_X, int radix_X, char * input_X, int size_Y,
int radix_Y, char * input_Y, int input_ret, int input_err )
{
int ret;
mbedtls_mpi X, Y;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Y, radix_Y, input_Y ) == 0 );
mbedtls_mpi_grow( &X, size_X );
mbedtls_mpi_grow( &Y, size_Y );
TEST_ASSERT( mbedtls_mpi_cmp_mpi_ct( &X, &Y, &ret ) == input_err );
if( input_err == 0 )
TEST_ASSERT( ret == input_ret );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_cmp_abs( int radix_X, char * input_X, int radix_Y,
char * input_Y, int input_A )