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Test mbedtls_dhm_make_params with different x_size

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mbedtls_dhm_make_params() with x_size != size of P is not likely to be
useful, but it's supported, so test it.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-03-30 23:44:22 +02:00
parent b27db0acff
commit 2baf2b0532
2 changed files with 51 additions and 19 deletions
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7
tests/suites/test_suite_dhm.function
View file

@ -171,7 +171,7 @@ exit:
/* END_CASE */
/* BEGIN_CASE */
void dhm_do_dhm( int radix_P, char *input_P,
void dhm_do_dhm( int radix_P, char *input_P, int x_size,
int radix_G, char *input_G, int result )
{
mbedtls_dhm_context ctx_srv;
@ -185,7 +185,7 @@ void dhm_do_dhm( int radix_P, char *input_P,
size_t pub_cli_len = 0;
size_t sec_srv_len;
size_t sec_cli_len;
int x_size, i;
int i;
mbedtls_test_rnd_pseudo_info rnd_info;
mbedtls_dhm_init( &ctx_srv );
@ -201,8 +201,7 @@ void dhm_do_dhm( int radix_P, char *input_P,
*/
TEST_ASSERT( mbedtls_mpi_read_string( &ctx_srv.P, radix_P, input_P ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &ctx_srv.G, radix_G, input_G ) == 0 );
x_size = mbedtls_mpi_size( &ctx_srv.P );
pub_cli_len = x_size;
pub_cli_len = mbedtls_mpi_size( &ctx_srv.P );
/*
* First key exchange