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DHM: Add negative tests for parameter checking

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A bug in the dhm_check_range() function makes it pass even when the
parameters are not in the range. This commit adds tests for signalling
this problem as well as a couple of other negative tests.
This commit is contained in:
Janos Follath 2017-09-20 13:46:37 +01:00
parent 01692531c6
commit 4b151fabb7
2 changed files with 20 additions and 5 deletions
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7
tests/suites/test_suite_dhm.function
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@ -9,7 +9,7 @@
/* BEGIN_CASE */
void dhm_do_dhm( int radix_P, char *input_P,
int radix_G, char *input_G )
int radix_G, char *input_G, int result )
{
mbedtls_dhm_context ctx_srv;
mbedtls_dhm_context ctx_cli;
@ -44,7 +44,10 @@ void dhm_do_dhm( int radix_P, char *input_P,
/*
* First key exchange
*/
TEST_ASSERT( mbedtls_dhm_make_params( &ctx_srv, x_size, ske, &ske_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_make_params( &ctx_srv, x_size, ske, &ske_len, &rnd_pseudo_rand, &rnd_info ) == result );
if ( result != 0 )
goto exit;
ske[ske_len++] = 0;
ske[ske_len++] = 0;
TEST_ASSERT( mbedtls_dhm_read_params( &ctx_cli, &p, ske + ske_len ) == 0 );