Add RNG parameter to check_pair functions

- mbedtls_ecp_check_pub_priv() because it calls ecp_mul()
- mbedtls_pk_check_pair() because it calls the former

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 573c9d4..b46cf05 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -177,7 +177,8 @@
     /* unsupported functions: check_pair, debug */
     TEST_ASSERT( mbedtls_pk_setup( &pk2,
                  mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) ) == 0 );
-    TEST_ASSERT( mbedtls_pk_check_pair( &pk, &pk2 )
+    TEST_ASSERT( mbedtls_pk_check_pair( &pk, &pk2,
+                                        mbedtls_test_rnd_std_rand, NULL )
                  == MBEDTLS_ERR_PK_TYPE_MISMATCH );
     TEST_ASSERT( mbedtls_pk_debug( &pk, &dbg )
                  == MBEDTLS_ERR_PK_TYPE_MISMATCH );
@@ -350,7 +351,9 @@
     TEST_ASSERT( mbedtls_pk_parse_public_keyfile( &pub, pub_file ) == 0 );
     TEST_ASSERT( mbedtls_pk_parse_keyfile( &prv, prv_file, NULL ) == 0 );
 
-    TEST_ASSERT( mbedtls_pk_check_pair( &pub, &prv ) == ret );
+    TEST_ASSERT( mbedtls_pk_check_pair( &pub, &prv,
+                                        mbedtls_test_rnd_std_rand, NULL )
+                 == ret );
 
 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
     if( mbedtls_pk_get_type( &prv ) == MBEDTLS_PK_RSA )
@@ -358,7 +361,9 @@
         TEST_ASSERT( mbedtls_pk_setup_rsa_alt( &alt, mbedtls_pk_rsa( prv ),
                      mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func,
                      mbedtls_rsa_key_len_func ) == 0 );
-        TEST_ASSERT( mbedtls_pk_check_pair( &pub, &alt ) == ret );
+        TEST_ASSERT( mbedtls_pk_check_pair( &pub, &alt,
+                                            mbedtls_test_rnd_std_rand, NULL )
+                     == ret );
     }
 #endif