diff --git a/tests/suites/test_suite_ecdh.function b/tests/suites/test_suite_ecdh.function
index 5bfd63d..ba35c76 100644
--- a/tests/suites/test_suite_ecdh.function
+++ b/tests/suites/test_suite_ecdh.function
@@ -27,8 +27,10 @@
                  == 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( ecdh_compute_shared( &grp, &zA, &qB, &dA,
+                                      &rnd_pseudo_rand, &rnd_info ) == 0 );
+    TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB,
+                                      NULL, NULL ) == 0 );
 
     TEST_ASSERT( mpi_cmp_mpi( &zA, &zB ) == 0 );
 
@@ -70,9 +72,9 @@
     TEST_ASSERT( mpi_cmp_mpi( &qB.Y, &check ) == 0 );
 
     TEST_ASSERT( mpi_read_string( &check, 16, z_str ) == 0 );
-    TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA ) == 0 );
+    TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA, NULL, NULL ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &zA, &check ) == 0 );
-    TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB ) == 0 );
+    TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB, NULL, NULL ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &zB, &check ) == 0 );
 
     ecp_group_free( &grp );
@@ -107,8 +109,9 @@
                                    &rnd_pseudo_rand, &rnd_info ) == 0 );
     TEST_ASSERT( ecdh_read_public( &srv, buf, len ) == 0 );
 
-    TEST_ASSERT( ecdh_calc_secret( &srv, &len, buf, 1000 ) == 0 );
-    TEST_ASSERT( ecdh_calc_secret( &cli, &len, buf, 1000 ) == 0 );
+    TEST_ASSERT( ecdh_calc_secret( &srv, &len, buf, 1000,
+                                   &rnd_pseudo_rand, &rnd_info ) == 0 );
+    TEST_ASSERT( ecdh_calc_secret( &cli, &len, buf, 1000, NULL, NULL ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &srv.z, &cli.z ) == 0 );
 
     ecdh_free( &srv );
diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index ce92633..55a3453 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -50,7 +50,7 @@
 ecp_small_sub:0:"14":"11":0:"14":"36":0:27:30
 
 ECP small multiplication negative
-ecp_small_mul:-1:0:0:0:POLARSSL_ERR_ECP_GENERIC
+ecp_small_mul:-1:0:0:0:POLARSSL_ERR_ECP_BAD_INPUT_DATA
 
 ECP small multiplication #0
 ecp_small_mul:0:1:0:0:0
@@ -101,7 +101,7 @@
 ecp_small_mul:2:0:20:01:0
 
 ECP small multiplication too big
-ecp_small_mul:-1:0:0:0:POLARSSL_ERR_ECP_GENERIC
+ecp_small_mul:-1:0:0:0:POLARSSL_ERR_ECP_BAD_INPUT_DATA
 
 ECP small check pubkey #1
 ecp_small_check_pub:1:1:0:POLARSSL_ERR_ECP_GENERIC
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 62c5de2..5b1ab60 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -101,17 +101,33 @@
     ecp_group grp;
     ecp_point R;
     mpi m;
+    rnd_pseudo_info rnd_info;
 
     ecp_group_init( &grp );
     ecp_point_init( &R );
     mpi_init( &m );
+    memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
 
     TEST_ASSERT( ecp_group_read_string( &grp, 10,
                 "47", "4", "17", "42", "13" ) == 0 );
 
     TEST_ASSERT( mpi_lset( &m, m_str ) == 0 );
 
-    TEST_ASSERT( ecp_mul( &grp, &R, &m, &grp.G ) == ret );
+    TEST_ASSERT( ecp_mul( &grp, &R, &m, &grp.G, NULL, NULL ) == ret );
+
+    if( r_zero )
+        TEST_ASSERT( mpi_cmp_int( &R.Z, 0 ) == 0 );
+    else
+    {
+        TEST_ASSERT( mpi_cmp_int( &R.X, x_r ) == 0 );
+        TEST_ASSERT( mpi_cmp_int( &R.Y, y_r ) == 0 );
+    }
+
+    /* try again with randomization */
+    ecp_point_free( &R );
+
+    TEST_ASSERT( ecp_mul( &grp, &R, &m, &grp.G,
+                          &rnd_pseudo_rand, &rnd_info ) == ret );
 
     if( r_zero )
         TEST_ASSERT( mpi_cmp_int( &R.Z, 0 ) == 0 );
@@ -158,10 +174,12 @@
     ecp_group grp;
     ecp_point R;
     mpi dA, xA, yA, dB, xB, yB, xZ, yZ;
+    rnd_pseudo_info rnd_info;
 
     ecp_group_init( &grp ); ecp_point_init( &R );
     mpi_init( &dA ); mpi_init( &xA ); mpi_init( &yA ); mpi_init( &dB );
     mpi_init( &xB ); mpi_init( &yB ); mpi_init( &xZ ); mpi_init( &yZ );
+    memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
 
     TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
 
@@ -176,20 +194,22 @@
     TEST_ASSERT( mpi_read_string( &xZ, 16, xZ_str ) == 0 );
     TEST_ASSERT( mpi_read_string( &yZ, 16, yZ_str ) == 0 );
 
-    TEST_ASSERT( ecp_mul( &grp, &R, &dA, &grp.G ) == 0 );
+    TEST_ASSERT( ecp_mul( &grp, &R, &dA, &grp.G,
+                          &rnd_pseudo_rand, &rnd_info ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.X, &xA ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.Y, &yA ) == 0 );
     TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
-    TEST_ASSERT( ecp_mul( &grp, &R, &dB, &R ) == 0 );
+    TEST_ASSERT( ecp_mul( &grp, &R, &dB, &R, NULL, NULL ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.X, &xZ ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
     TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
 
-    TEST_ASSERT( ecp_mul( &grp, &R, &dB, &grp.G ) == 0 );
+    TEST_ASSERT( ecp_mul( &grp, &R, &dB, &grp.G, NULL, NULL ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.X, &xB ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.Y, &yB ) == 0 );
     TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
-    TEST_ASSERT( ecp_mul( &grp, &R, &dA, &R ) == 0 );
+    TEST_ASSERT( ecp_mul( &grp, &R, &dA, &R,
+                          &rnd_pseudo_rand, &rnd_info ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.X, &xZ ) == 0 );
     TEST_ASSERT( mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
     TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );