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ECDH: Adapt tests for mbedtls_ecdh_setup()

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The recently added `mbedtls_ecdh_setup()` function is not used in the
tests yet. This commit adapts the tests to the new workflow.

Having done that, the old lifecycle is not tested anymore, so we add a
new test to ensure backward compatibility.
This commit is contained in:
Janos Follath 2018-10-04 17:17:54 +01:00
parent f61e486179
commit fc03e8dfa9
2 changed files with 45 additions and 3 deletions
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4
tests/suites/test_suite_ecdh.data
View file

@ -69,3 +69,7 @@ ecdh_restart:MBEDTLS_ECP_DP_SECP256R1:"C88F01F510D9AC3F70A292DAA2316DE544E9AAB8A
ECDH restartable rfc 5903 p256 restart disabled max_ops=250 ECDH restartable rfc 5903 p256 restart disabled max_ops=250
depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED
ecdh_restart:MBEDTLS_ECP_DP_SECP256R1:"C88F01F510D9AC3F70A292DAA2316DE544E9AAB8AFE84049C62A9C57862D1433":"C6EF9C5D78AE012A011164ACB397CE2088685D8F06BF9BE0B283AB46476BEE53":"D6840F6B42F6EDAFD13116E0E12565202FEF8E9ECE7DCE03812464D04B9442DE":0:250:0:0 ecdh_restart:MBEDTLS_ECP_DP_SECP256R1:"C88F01F510D9AC3F70A292DAA2316DE544E9AAB8AFE84049C62A9C57862D1433":"C6EF9C5D78AE012A011164ACB397CE2088685D8F06BF9BE0B283AB46476BEE53":"D6840F6B42F6EDAFD13116E0E12565202FEF8E9ECE7DCE03812464D04B9442DE":0:250:0:0
ECDH exchange legacy context
depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
ecdh_exchange_legacy:MBEDTLS_ECP_DP_SECP192R1

44
tests/suites/test_suite_ecdh.function
View file

@ -134,16 +134,16 @@ void ecdh_exchange( int id )
mbedtls_ecdh_init( &cli ); mbedtls_ecdh_init( &cli );
memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
TEST_ASSERT( mbedtls_ecp_group_load( &srv.grp, id ) == 0 ); TEST_ASSERT( mbedtls_ecdh_setup( &srv, id ) == 0 );
memset( buf, 0x00, sizeof( buf ) ); vbuf = buf; memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
TEST_ASSERT( mbedtls_ecdh_make_params( &srv, &len, buf, 1000, TEST_ASSERT( mbedtls_ecdh_make_params( &srv, &len, buf, 1000,
&rnd_pseudo_rand, &rnd_info ) == 0 ); &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 ); TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 );
memset( buf, 0x00, sizeof( buf ) ); memset( buf, 0x00, sizeof( buf ) );
TEST_ASSERT( mbedtls_ecdh_make_public( &cli, &len, buf, 1000, TEST_ASSERT( mbedtls_ecdh_make_public( &cli, &len, buf, 1000,
&rnd_pseudo_rand, &rnd_info ) == 0 ); &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 ); TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 );
TEST_ASSERT( mbedtls_ecdh_calc_secret( &srv, &len, buf, 1000, TEST_ASSERT( mbedtls_ecdh_calc_secret( &srv, &len, buf, 1000,
@ -273,3 +273,41 @@ exit:
mbedtls_ecdh_free( &cli ); mbedtls_ecdh_free( &cli );
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */
void ecdh_exchange_legacy( int id )
{
mbedtls_ecdh_context srv, cli;
unsigned char buf[1000];
const unsigned char *vbuf;
size_t len;
rnd_pseudo_info rnd_info;
mbedtls_ecdh_init( &srv );
mbedtls_ecdh_init( &cli );
memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
TEST_ASSERT( mbedtls_ecp_group_load( &srv.grp, id ) == 0 );
memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
TEST_ASSERT( mbedtls_ecdh_make_params( &srv, &len, buf, 1000,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 );
memset( buf, 0x00, sizeof( buf ) );
TEST_ASSERT( mbedtls_ecdh_make_public( &cli, &len, buf, 1000,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 );
TEST_ASSERT( mbedtls_ecdh_calc_secret( &srv, &len, buf, 1000,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_ecdh_calc_secret( &cli, &len, buf, 1000, NULL,
NULL ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &srv.z, &cli.z ) == 0 );
exit:
mbedtls_ecdh_free( &srv );
mbedtls_ecdh_free( &cli );
}
/* END_CASE */