Basic tests for ECDSA.
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
new file mode 100644
index 0000000..e90938c
--- /dev/null
+++ b/tests/suites/test_suite_ecdsa.function
@@ -0,0 +1,37 @@
+BEGIN_HEADER
+#include <polarssl/ecdsa.h>
+END_HEADER
+
+BEGIN_DEPENDENCIES
+depends_on:POLARSSL_ECDSA_C:POLARSSL_ECP_C:POLARSSL_BIGNUM_C
+END_DEPENDENCIES
+
+BEGIN_CASE
+ecdsa_sign_verify:id
+{
+ ecp_group grp;
+ ecp_point Q;
+ mpi d, r, s;
+ rnd_pseudo_info rnd_info;
+ unsigned char buf[66];
+
+ ecp_group_init( &grp );
+ ecp_point_init( &Q );
+ mpi_init( &d ); mpi_init( &r ); mpi_init( &s );
+ memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
+
+ /* prepare material for signature */
+ TEST_ASSERT( rnd_pseudo_rand( &rnd_info, buf, sizeof( buf ) ) == 0 );
+ TEST_ASSERT( ecp_use_known_dp( &grp, POLARSSL_ECP_DP_{id} ) == 0 );
+ TEST_ASSERT( ecp_gen_keypair( &grp, &d, &Q, &rnd_pseudo_rand, &rnd_info )
+ == 0 );
+
+ TEST_ASSERT( ecdsa_sign( &grp, &r, &s, &d, buf, sizeof( buf ),
+ &rnd_pseudo_rand, &rnd_info ) == 0 );
+ TEST_ASSERT( ecdsa_verify( &grp, buf, sizeof( buf ), &Q, &r, &s ) == 0 );
+
+ ecp_group_free( &grp );
+ ecp_point_free( &Q );
+ mpi_free( &d ); mpi_free( &r ); mpi_free( &s );
+}
+END_CASE