Basic tests for ECDH primitive

tests/CMakeLists.txt

@@ -46,6 +46,7 @@ add_test_suite(debug)
 add_test_suite(des)
 add_test_suite(dhm)
 add_test_suite(ecp)
+add_test_suite(ecdh)
 add_test_suite(error)
 add_test_suite(gcm gcm.encrypt)
 add_test_suite(gcm gcm.decrypt)

tests/suites/test_suite_ecdh.data

@@ -0,0 +1,15 @@
+ECDH primitive agreement #1
+ecdh_primitive_agreement:SECP192R1
+
+ECDH primitive agreement #2
+ecdh_primitive_agreement:SECP224R1
+
+ECDH primitive agreement #3
+ecdh_primitive_agreement:SECP256R1
+
+ECDH primitive agreement #4
+ecdh_primitive_agreement:SECP384R1
+
+ECDH primitive agreement #5
+ecdh_primitive_agreement:SECP521R1
+

tests/suites/test_suite_ecdh.function

@@ -0,0 +1,39 @@
+BEGIN_HEADER
+#include <polarssl/ecdh.h>
+END_HEADER
+
+BEGIN_DEPENDENCIES
+depends_on:POLARSSL_ECDH_C:POLARSSL_ECP_C:POLARSSL_BIGNUM_C
+END_DEPENDENCIES
+
+BEGIN_CASE
+ecdh_primitive_agreement:id
+{
+    ecp_group grp;
+    ecp_point qA, qB;
+    mpi dA, dB, zA, zB;
+    rnd_pseudo_info rnd_info;
+
+    ecp_group_init( &grp );
+    ecp_point_init( &qA ); ecp_point_init( &qB );
+    mpi_init( &dA ); mpi_init( &dB );
+    mpi_init( &zA ); mpi_init( &zB );
+    memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
+
+    TEST_ASSERT( ecp_use_known_dp( &grp, POLARSSL_ECP_DP_{id} ) == 0 );
+
+    TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, &rnd_pseudo_rand, &rnd_info )
+                 == 0 );
+    TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, &rnd_pseudo_rand, &rnd_info )
+                 == 0 );
+    TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA ) == 0 );
+    TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB ) == 0 );
+
+    TEST_ASSERT( mpi_cmp_mpi( &zA, &zB ) == 0 );
+
+    ecp_group_free( &grp );
+    ecp_point_free( &qA ); ecp_point_free( &qB );
+    mpi_free( &dA ); mpi_free( &dB );
+    mpi_free( &zA ); mpi_free( &zB );
+}
+END_CASE