Remove radix arg from mbedtls_test_read_mpi

All uses have radix argument removed, using script.

Signed-off-by: Werner Lewis <werner.lewis@arm.com>
diff --git a/tests/include/test/helpers.h b/tests/include/test/helpers.h
index 080b46e..93a3e11 100644
--- a/tests/include/test/helpers.h
+++ b/tests/include/test/helpers.h
@@ -276,7 +276,7 @@
 #endif
 
 #if defined(MBEDTLS_BIGNUM_C)
-/** Read an MPI from a string.
+/** Read an MPI from a hexadecimal string.
  *
  * Like mbedtls_mpi_read_string(), but size the resulting bignum based
  * on the number of digits in the string. In particular, construct a
@@ -287,13 +287,12 @@
  * "leading zeros" test cases do what they claim.
  *
  * \param[out] X        The MPI object to populate. It must be initialized.
- * \param radix         The radix (2 to 16).
- * \param[in] s         The null-terminated string to read from.
+ * \param[in] s         The null-terminated hexadecimal string to read from.
  *
  * \return \c 0 on success, an \c MBEDTLS_ERR_MPI_xxx error code otherwise.
  */
 /* Since the library has exactly the desired behavior, this is trivial. */
-int mbedtls_test_read_mpi( mbedtls_mpi *X, int radix, const char *s );
+int mbedtls_test_read_mpi( mbedtls_mpi *X, const char *s );
 #endif /* MBEDTLS_BIGNUM_C */
 
 #endif /* TEST_HELPERS_H */
diff --git a/tests/src/helpers.c b/tests/src/helpers.c
index 8f4d7f2..4f976a2 100644
--- a/tests/src/helpers.c
+++ b/tests/src/helpers.c
@@ -332,7 +332,7 @@
 #endif /* MBEDTLS_TEST_HOOKS */
 
 #if defined(MBEDTLS_BIGNUM_C)
-int mbedtls_test_read_mpi( mbedtls_mpi *X, int radix, const char *s )
+int mbedtls_test_read_mpi( mbedtls_mpi *X, const char *s )
 {
     /* mbedtls_mpi_read_string() currently retains leading zeros.
      * It always allocates at least one limb for the value 0. */
@@ -342,6 +342,6 @@
         return( 0 );
     }
     else
-        return( mbedtls_mpi_read_string( X, radix, s ) );
+        return( mbedtls_mpi_read_string( X, 16, s ) );
 }
 #endif
diff --git a/tests/suites/test_suite_asn1parse.function b/tests/suites/test_suite_asn1parse.function
index 535274b..87901f8 100644
--- a/tests/suites/test_suite_asn1parse.function
+++ b/tests/suites/test_suite_asn1parse.function
@@ -417,7 +417,7 @@
     }
 
 #if defined(MBEDTLS_BIGNUM_C)
-    ret = mbedtls_test_read_mpi( &expected_mpi, 16, expected_hex );
+    ret = mbedtls_test_read_mpi( &expected_mpi, expected_hex );
     TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
     if( ret == MBEDTLS_ERR_MPI_BAD_INPUT_DATA )
     {
diff --git a/tests/suites/test_suite_debug.function b/tests/suites/test_suite_debug.function
index c51be4d..21eefc5 100644
--- a/tests/suites/test_suite_debug.function
+++ b/tests/suites/test_suite_debug.function
@@ -206,7 +206,7 @@
 
     TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &val, radix, value ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &val, value ) == 0 );
 
     mbedtls_debug_print_mpi( &ssl, 0, file, line, prefix, &val);
 
diff --git a/tests/suites/test_suite_dhm.function b/tests/suites/test_suite_dhm.function
index bc43016..84d346f 100644
--- a/tests/suites/test_suite_dhm.function
+++ b/tests/suites/test_suite_dhm.function
@@ -116,8 +116,8 @@
     /*
      * Set params
      */
-    TEST_ASSERT( mbedtls_test_read_mpi( &ctx_srv.P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &ctx_srv.G, radix_G, input_G ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &ctx_srv.P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &ctx_srv.G, input_G ) == 0 );
     pub_cli_len = mbedtls_mpi_size( &ctx_srv.P );
     TEST_ASSERT( check_get_value( &ctx_srv, MBEDTLS_DHM_PARAM_P, &ctx_srv.P ) );
     TEST_ASSERT( check_get_value( &ctx_srv, MBEDTLS_DHM_PARAM_G, &ctx_srv.G ) );
@@ -239,7 +239,7 @@
     TEST_ASSERT( mbedtls_mpi_shift_l( &P, ( P_bytes * 8 ) - 1 ) == 0 );
     TEST_ASSERT( mbedtls_mpi_set_bit( &P, 0, 1 ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &G, radix_G, input_G ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &G, input_G ) == 0 );
 
     TEST_ASSERT( mbedtls_dhm_set_group( &ctx, &P, &G ) == 0 );
     TEST_ASSERT( mbedtls_dhm_make_public( &ctx, (int) mbedtls_mpi_size( &P ),
@@ -263,8 +263,8 @@
     mbedtls_dhm_init( &ctx );
     mbedtls_mpi_init( &P ); mbedtls_mpi_init( &G );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, 16, p ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &G, 16, g ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, p ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &G, g ) == 0 );
 
     TEST_ASSERT( mbedtls_dhm_parse_dhmfile( &ctx, filename ) == 0 );
 
diff --git a/tests/suites/test_suite_ecdh.function b/tests/suites/test_suite_ecdh.function
index 68db8fe..4bba375 100644
--- a/tests/suites/test_suite_ecdh.function
+++ b/tests/suites/test_suite_ecdh.function
@@ -157,21 +157,21 @@
                                           mbedtls_test_rnd_buffer_rand,
                                           &rnd_info_A ) == 0 );
     TEST_ASSERT( ! mbedtls_ecp_is_zero( &qA ) );
-    TEST_ASSERT( mbedtls_test_read_mpi( &check, 16, xA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &check, xA_str ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qA.X, &check ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &check, 16, yA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &check, yA_str ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qA.Y, &check ) == 0 );
 
     TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dB, &qB,
                                           mbedtls_test_rnd_buffer_rand,
                                           &rnd_info_B ) == 0 );
     TEST_ASSERT( ! mbedtls_ecp_is_zero( &qB ) );
-    TEST_ASSERT( mbedtls_test_read_mpi( &check, 16, xB_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &check, xB_str ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qB.X, &check ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &check, 16, yB_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &check, yB_str ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qB.Y, &check ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &check, 16, z_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &check, z_str ) == 0 );
     TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zA, &qB, &dA,
                                               &mbedtls_test_rnd_pseudo_rand,
                                               &rnd_info ) == 0 );
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index e99beb7..8f6f310 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -93,9 +93,9 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
     TEST_ASSERT( mbedtls_ecp_point_read_string( &Q, 16, xQ_str, yQ_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &d, 16, d_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &r_check, 16, r_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &s_check, 16, s_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &d, d_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &r_check, r_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &s_check, s_str ) == 0 );
     rnd_info.fallback_f_rng = mbedtls_test_rnd_std_rand;
     rnd_info.fallback_p_rng = NULL;
     rnd_info.buf = rnd_buf->x;
@@ -203,9 +203,9 @@
     mbedtls_mpi_init( &r_check ); mbedtls_mpi_init( &s_check );
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &d, 16, d_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &r_check, 16, r_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &s_check, 16, s_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &d, d_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &r_check, r_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &s_check, s_str ) == 0 );
 
     TEST_ASSERT(
                 mbedtls_ecdsa_sign_det_ext( &grp, &r, &s, &d,
@@ -426,7 +426,7 @@
     memset( sig, 0, sizeof( sig ) );
 
     TEST_ASSERT( mbedtls_ecp_group_load( &ctx.grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &ctx.d, 16, d_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &ctx.d, d_str ) == 0 );
 
     mbedtls_ecp_set_max_ops( max_ops );
 
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 1b77f1d..e55cd32 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -120,9 +120,9 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, grp_id ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P.X, 16, x_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &P.Y, 16, y_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &P.Z, 16, z_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P.X, x_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P.Y, y_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P.Z, z_hex ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &P ) == ret );
 
@@ -173,13 +173,13 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &dA, 16, dA_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xA, 16, xA_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &yA, 16, yA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dA, dA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xA, xA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &yA, yA_str ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &dB, 16, dB_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xZ, 16, xZ_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &yZ, 16, yZ_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dB, dB_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xZ, xZ_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &yZ, yZ_str ) == 0 );
 
     mbedtls_ecp_set_max_ops( (unsigned) max_ops );
 
@@ -260,13 +260,13 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &u1, 16, u1_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &u2, 16, u2_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xR, 16, xR_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &yR, 16, yR_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &u1, u1_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &u2, u2_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xR, xR_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &yR, yR_str ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q.X, 16, xQ_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q.Y, 16, yQ_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q.X, xQ_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q.Y, yQ_str ) == 0 );
     TEST_ASSERT( mbedtls_mpi_lset( &Q.Z, 1 ) == 0 );
 
     mbedtls_ecp_set_max_ops( (unsigned) max_ops );
@@ -323,14 +323,14 @@
 
     TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &dA, 16, dA_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xA, 16, xA_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &yA, 16, yA_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &dB, 16, dB_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xB, 16, xB_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &yB, 16, yB_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xZ, 16, xZ_str ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &yZ, 16, yZ_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dA, dA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xA, xA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &yA, yA_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dB, dB_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xB, xB_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &yB, yB_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xZ, xZ_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &yZ, yZ_str ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &grp.G,
                           &mbedtls_test_rnd_pseudo_rand, &rnd_info ) == 0 );
@@ -380,11 +380,11 @@
 
     TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &dA, 16, dA_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &dB, 16, dB_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xA, 16, xA_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xB, 16, xB_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &xS, 16, xS_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dA, dA_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dB, dB_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xA, xA_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xB, xB_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &xS, xS_hex ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &grp.G,
                           &mbedtls_test_rnd_pseudo_rand, &rnd_info ) == 0 );
@@ -546,7 +546,7 @@
     mbedtls_mpi_init( &N ); mbedtls_mpi_init( &R );
     mbedtls_ecp_group_init( &grp );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, 16, N_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, N_str ) == 0 );
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
     TEST_ASSERT( grp.modp != NULL );
 
@@ -585,9 +585,9 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P.X, 16, x ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &P.Y, 16, y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &P.Z, 16, z ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P.X, x ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P.Y, y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P.Z, z ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_point_write_binary( &grp, &P, format,
                                    &olen, buf, blen ) == ret );
@@ -617,9 +617,9 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, 16, x ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, 16, y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Z, 16, z ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, x ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Z, z ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_point_read_binary( &grp, &P, buf->x, buf->len ) == ret );
 
@@ -661,9 +661,9 @@
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, 16, x ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, 16, y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Z, 16, z ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, x ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Z, z ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &P, &vbuf, buf->len ) == ret );
 
@@ -798,7 +798,7 @@
     mbedtls_mpi_init( &d );
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &d, 16, key_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &d, key_hex ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_check_privkey( &grp, &d ) == ret );
 
@@ -827,7 +827,7 @@
     if( id != MBEDTLS_ECP_DP_NONE )
         TEST_ASSERT( mbedtls_ecp_group_load( &prv.grp, id ) == 0 );
     TEST_ASSERT( mbedtls_ecp_point_read_string( &prv.Q, 16, Qx, Qy ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &prv.d, 16, d ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &prv.d, d ) == 0 );
 
     TEST_ASSERT( mbedtls_ecp_check_pub_priv( &pub, &prv,
                           &mbedtls_test_rnd_pseudo_rand, &rnd_info ) == ret );
@@ -1044,7 +1044,7 @@
     if( invalid_grp == 0 )
         TEST_ASSERT( mbedtls_ecp_group_load( &key.grp, id ) == 0 );
     TEST_ASSERT( mbedtls_ecp_point_read_string( &key.Q, 16, Qx, Qy ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &key.d, 16, d ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &key.d, d ) == 0 );
 
     TEST_EQUAL( mbedtls_ecp_export( &key, &export_grp,
                                     &export_d, &export_Q ), expected_ret );
@@ -1074,7 +1074,7 @@
     mbedtls_mpi_init( &expected_n );
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &expected_n, 16, expected_order_hex ) == 0);
+    TEST_ASSERT( mbedtls_test_read_mpi( &expected_n, expected_order_hex ) == 0);
 
     // check sign bits are well-formed (i.e. 1 or -1) - see #5810
     TEST_ASSERT( grp.N.s == -1 || grp.N.s == 1);
diff --git a/tests/suites/test_suite_mpi.function b/tests/suites/test_suite_mpi.function
index 1372668..ec2ef52 100644
--- a/tests/suites/test_suite_mpi.function
+++ b/tests/suites/test_suite_mpi.function
@@ -229,7 +229,7 @@
 
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     buflen = mbedtls_mpi_size( &X );
     if( buflen > (size_t) output_size )
@@ -261,7 +261,7 @@
 
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     buflen = mbedtls_mpi_size( &X );
     if( buflen > (size_t) output_size )
@@ -326,7 +326,7 @@
 
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     file_out = fopen( output_file, "w" );
     TEST_ASSERT( file_out != NULL );
@@ -352,7 +352,7 @@
 {
     mbedtls_mpi X;
     mbedtls_mpi_init( &X );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_get_bit( &X, pos ) == val );
 
 exit:
@@ -367,8 +367,8 @@
     mbedtls_mpi X, Y;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, output_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, output_Y ) == 0 );
     TEST_ASSERT( mbedtls_mpi_set_bit( &X, pos, val ) == result );
 
     if( result == 0 )
@@ -388,7 +388,7 @@
     mbedtls_mpi X;
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_lsb( &X ) == (size_t) nr_bits );
 
 exit:
@@ -402,7 +402,7 @@
     mbedtls_mpi X;
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_bitlen( &X ) == (size_t) nr_bits );
 
 exit:
@@ -417,9 +417,9 @@
     mbedtls_mpi A, X, Y, Z;
     mbedtls_mpi_init( &A ); mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_gcd( &Z, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -450,8 +450,8 @@
     mbedtls_mpi X, Y;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y ) == input_A );
 
 exit:
@@ -469,8 +469,8 @@
     mbedtls_mpi X, Y;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, 16, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, 16, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
 
     TEST_ASSERT( mbedtls_mpi_grow( &X, size_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_grow( &Y, size_Y ) == 0 );
@@ -491,8 +491,8 @@
     mbedtls_mpi X, Y;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_abs( &X, &Y ) == input_A );
 
 exit:
@@ -508,25 +508,25 @@
     mbedtls_mpi_init( &dst );
     mbedtls_mpi_init( &ref );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &src, 16, src_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &ref, 16, dst_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &src, src_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &ref, dst_hex ) == 0 );
 
     /* mbedtls_mpi_copy() */
-    TEST_ASSERT( mbedtls_test_read_mpi( &dst, 16, dst_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dst, dst_hex ) == 0 );
     TEST_ASSERT( mbedtls_mpi_copy( &dst, &src ) == 0 );
     TEST_ASSERT( sign_is_valid( &dst ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &dst, &src ) == 0 );
 
     /* mbedtls_mpi_safe_cond_assign(), assignment done */
     mbedtls_mpi_free( &dst );
-    TEST_ASSERT( mbedtls_test_read_mpi( &dst, 16, dst_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dst, dst_hex ) == 0 );
     TEST_ASSERT( mbedtls_mpi_safe_cond_assign( &dst, &src, 1 ) == 0 );
     TEST_ASSERT( sign_is_valid( &dst ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &dst, &src ) == 0 );
 
     /* mbedtls_mpi_safe_cond_assign(), assignment not done */
     mbedtls_mpi_free( &dst );
-    TEST_ASSERT( mbedtls_test_read_mpi( &dst, 16, dst_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &dst, dst_hex ) == 0 );
     TEST_ASSERT( mbedtls_mpi_safe_cond_assign( &dst, &src, 0 ) == 0 );
     TEST_ASSERT( sign_is_valid( &dst ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &dst, &ref ) == 0 );
@@ -545,10 +545,10 @@
     mbedtls_mpi_init( &A );
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, 16, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_copy( &X, &X ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, 16, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_X ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
 
@@ -565,12 +565,12 @@
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
     mbedtls_mpi_init( &X0 ); mbedtls_mpi_init( &Y0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X0, 16, X_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y0, 16, Y_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X0, X_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y0, Y_hex ) == 0 );
 
     /* mbedtls_mpi_swap() */
-    TEST_ASSERT( mbedtls_test_read_mpi( &X,  16, X_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y,  16, Y_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X,  X_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y,  Y_hex ) == 0 );
     mbedtls_mpi_swap( &X, &Y );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( sign_is_valid( &Y ) );
@@ -580,8 +580,8 @@
     /* mbedtls_mpi_safe_cond_swap(), swap done */
     mbedtls_mpi_free( &X );
     mbedtls_mpi_free( &Y );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X,  16, X_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y,  16, Y_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X,  X_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y,  Y_hex ) == 0 );
     TEST_ASSERT( mbedtls_mpi_safe_cond_swap( &X, &Y, 1 ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( sign_is_valid( &Y ) );
@@ -591,8 +591,8 @@
     /* mbedtls_mpi_safe_cond_swap(), swap not done */
     mbedtls_mpi_free( &X );
     mbedtls_mpi_free( &Y );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X,  16, X_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y,  16, Y_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X,  X_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y,  Y_hex ) == 0 );
     TEST_ASSERT( mbedtls_mpi_safe_cond_swap( &X, &Y, 0 ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( sign_is_valid( &Y ) );
@@ -611,8 +611,8 @@
     mbedtls_mpi X, X0;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &X0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X,  16, X_hex ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X0, 16, X_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X,  X_hex ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X0, X_hex ) == 0 );
 
     mbedtls_mpi_swap( &X, &X );
     TEST_ASSERT( sign_is_valid( &X ) );
@@ -651,9 +651,9 @@
     mbedtls_mpi X, Y, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_add_mpi( &Z, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -662,7 +662,7 @@
     TEST_ASSERT( mbedtls_mpi_add_mpi( &X, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     /* result == second operand */
     TEST_ASSERT( mbedtls_mpi_add_mpi( &Y, &X, &Y ) == 0 );
@@ -681,19 +681,19 @@
     mbedtls_mpi X, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_sub_abs( &X, &X, &X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_int( &X, 0 ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_add_abs( &X, &X, &X ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     TEST_ASSERT( mbedtls_mpi_add_mpi( &X, &X, &X ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
@@ -711,9 +711,9 @@
     mbedtls_mpi X, Y, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_add_abs( &Z, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -722,7 +722,7 @@
     TEST_ASSERT( mbedtls_mpi_add_abs( &X, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     /* result == second operand */
     TEST_ASSERT( mbedtls_mpi_add_abs( &Y, &X, &Y ) == 0 );
@@ -741,8 +741,8 @@
     mbedtls_mpi X, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_add_int( &Z, &X, input_Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -759,9 +759,9 @@
     mbedtls_mpi X, Y, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_sub_mpi( &Z, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -770,7 +770,7 @@
     TEST_ASSERT( mbedtls_mpi_sub_mpi( &X, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     /* result == second operand */
     TEST_ASSERT( mbedtls_mpi_sub_mpi( &Y, &X, &Y ) == 0 );
@@ -791,9 +791,9 @@
     int res;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
 
     res = mbedtls_mpi_sub_abs( &Z, &X, &Y );
     TEST_ASSERT( res == sub_result );
@@ -806,7 +806,7 @@
     TEST_ASSERT( sign_is_valid( &X ) );
     if( sub_result == 0 )
         TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     /* result == second operand */
     TEST_ASSERT( mbedtls_mpi_sub_abs( &Y, &X, &Y ) == sub_result );
@@ -826,8 +826,8 @@
     mbedtls_mpi X, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_sub_int( &Z, &X, input_Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -844,9 +844,9 @@
     mbedtls_mpi X, Y, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_mul_mpi( &Z, &X, &Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Z, &A ) == 0 );
@@ -864,8 +864,8 @@
     mbedtls_mpi X, Z, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_mul_int( &Z, &X, input_Y ) == 0 );
     TEST_ASSERT( sign_is_valid( &Z ) );
     if( strcmp( result_comparison, "==" ) == 0 )
@@ -890,10 +890,10 @@
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &R );
     mbedtls_mpi_init( &A ); mbedtls_mpi_init( &B );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &B, radix_B, input_B ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &B, input_B ) == 0 );
     res = mbedtls_mpi_div_mpi( &Q, &R, &X, &Y );
     TEST_ASSERT( res == div_result );
     if( res == 0 )
@@ -920,9 +920,9 @@
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &R ); mbedtls_mpi_init( &A );
     mbedtls_mpi_init( &B );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &B, radix_B, input_B ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &B, input_B ) == 0 );
     res = mbedtls_mpi_div_int( &Q, &R, &X, input_Y );
     TEST_ASSERT( res == div_result );
     if( res == 0 )
@@ -948,9 +948,9 @@
     int res;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     res = mbedtls_mpi_mod_mpi( &X, &X, &Y );
     TEST_ASSERT( res == div_result );
     if( res == 0 )
@@ -973,7 +973,7 @@
     mbedtls_mpi_uint r;
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     res = mbedtls_mpi_mod_int( &r, &X, input_Y );
     TEST_ASSERT( res == div_result );
     if( res == 0 )
@@ -996,10 +996,10 @@
     mbedtls_mpi_init( &A  ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &N );
     mbedtls_mpi_init( &RR ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
 
     res = mbedtls_mpi_exp_mod( &Z, &A, &E, &N, NULL );
     TEST_ASSERT( res == exp_result );
@@ -1057,7 +1057,7 @@
     TEST_ASSERT( mbedtls_mpi_set_bit( &N, 0, 1 ) == 0 );
 
     if( strlen( input_RR ) )
-        TEST_ASSERT( mbedtls_test_read_mpi( &RR, radix_RR, input_RR ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &RR, input_RR ) == 0 );
 
     TEST_ASSERT( mbedtls_mpi_exp_mod( &Z, &A, &E, &N, &RR ) == exp_result );
 
@@ -1076,9 +1076,9 @@
     int res;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Y, radix_Y, input_Y ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Y, input_Y ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     res = mbedtls_mpi_inv_mod( &Z, &X, &Y );
     TEST_ASSERT( res == div_result );
     if( res == 0 )
@@ -1099,7 +1099,7 @@
     int res;
     mbedtls_mpi_init( &X );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
     res = mbedtls_mpi_is_prime_ext( &X, 40, mbedtls_test_rnd_std_rand, NULL );
     TEST_ASSERT( res == div_result );
 
@@ -1186,8 +1186,8 @@
     mbedtls_mpi X, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_shift_l( &X, shift_X ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
@@ -1204,8 +1204,8 @@
     mbedtls_mpi X, A;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &X, radix_X, input_X ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &A, radix_A, input_A ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &X, input_X ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &A, input_A ) == 0 );
     TEST_ASSERT( mbedtls_mpi_shift_r( &X, shift_X ) == 0 );
     TEST_ASSERT( sign_is_valid( &X ) );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 6ccd3fe..6f7bee9 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -503,8 +503,8 @@
     rsa = mbedtls_pk_rsa( pk );
 
     rsa->len = mod / 8;
-    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_pk_verify( &pk, digest, message_str->x, 0,
                             result_str->x, mbedtls_pk_get_len( &pk ) ) == result );
@@ -542,8 +542,8 @@
     rsa = mbedtls_pk_rsa( pk );
 
     rsa->len = mod / 8;
-    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, input_E ) == 0 );
 
 
     if( mgf1_hash_id < 0 )
@@ -638,7 +638,7 @@
 
     TEST_ASSERT( mbedtls_pk_setup( &prv, mbedtls_pk_info_from_type( pk_type ) ) == 0 );
     TEST_ASSERT( mbedtls_ecp_group_load( &mbedtls_pk_ec( prv )->grp, grp_id ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &mbedtls_pk_ec( prv )->d, 16, d_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &mbedtls_pk_ec( prv )->d, d_str ) == 0 );
 
     TEST_ASSERT( mbedtls_pk_setup( &pub, mbedtls_pk_info_from_type( pk_type ) ) == 0 );
     TEST_ASSERT( mbedtls_ecp_group_load( &mbedtls_pk_ec( pub )->grp, grp_id ) == 0 );
@@ -824,8 +824,8 @@
 
     /* load public key */
     rsa->len = mod / 8;
-    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_pk_encrypt( &pk, message->x, message->len,
                             output, &olen, sizeof( output ),
@@ -842,12 +842,12 @@
     rsa = mbedtls_pk_rsa( pk );
 
     /* load public key */
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     /* load private key */
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( rsa, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( rsa ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_complete( rsa ) == 0 );
@@ -898,12 +898,12 @@
     rsa = mbedtls_pk_rsa( pk );
 
     /* load public key */
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     /* load private key */
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( rsa, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( rsa ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_complete( rsa ) == 0 );
@@ -956,12 +956,12 @@
     rsa = mbedtls_pk_rsa( pk );
 
     /* load public key */
-    TEST_EQUAL( mbedtls_test_read_mpi( &N, radix_N, input_N ), 0 );
-    TEST_EQUAL( mbedtls_test_read_mpi( &E, radix_E, input_E ), 0 );
+    TEST_EQUAL( mbedtls_test_read_mpi( &N, input_N ), 0 );
+    TEST_EQUAL( mbedtls_test_read_mpi( &E, input_E ), 0 );
 
     /* load private key */
-    TEST_EQUAL( mbedtls_test_read_mpi( &P, radix_P, input_P ), 0 );
-    TEST_EQUAL( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ), 0 );
+    TEST_EQUAL( mbedtls_test_read_mpi( &P, input_P ), 0 );
+    TEST_EQUAL( mbedtls_test_read_mpi( &Q, input_Q ), 0 );
     TEST_EQUAL( mbedtls_rsa_import( rsa, &N, &P, &Q, NULL, &E ), 0 );
     TEST_EQUAL( mbedtls_rsa_get_len( rsa ), (size_t) ( mod / 8 ) );
     TEST_EQUAL( mbedtls_rsa_complete( rsa ), 0 );
diff --git a/tests/suites/test_suite_pkcs1_v15.function b/tests/suites/test_suite_pkcs1_v15.function
index d94fca1..4bf8b22 100644
--- a/tests/suites/test_suite_pkcs1_v15.function
+++ b/tests/suites/test_suite_pkcs1_v15.function
@@ -32,8 +32,8 @@
                                           MBEDTLS_RSA_PKCS_V15, hash ) == 0 );
     memset( output, 0x00, sizeof( output ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
@@ -82,10 +82,10 @@
     memset( output, 0x00, sizeof( output ) );
     memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
@@ -288,10 +288,10 @@
 
     memset( output, 0x00, sizeof( output ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
@@ -331,8 +331,8 @@
     TEST_ASSERT( mbedtls_rsa_set_padding( &ctx,
                                           MBEDTLS_RSA_PKCS_V15, hash ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 63163a6..3091a0f 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -92,10 +92,10 @@
     memset( output, 0x00, sizeof( output ) );
     memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
@@ -134,8 +134,8 @@
     TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
                                           MBEDTLS_MD_NONE ) == 0 );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
@@ -171,10 +171,10 @@
     memset( output, 0x00, sizeof( output ) );
     memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
@@ -216,8 +216,8 @@
                                           MBEDTLS_MD_NONE ) == 0 );
     memset( output, 0x00, sizeof( output ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
@@ -252,8 +252,8 @@
                                           MBEDTLS_MD_NONE ) == 0 );
     memset( output, 0x00, sizeof( output ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
@@ -295,8 +295,8 @@
                                           MBEDTLS_MD_NONE ) == 0 );
     memset( output, 0x00, sizeof( output ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
@@ -345,10 +345,10 @@
     memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
 
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
@@ -391,8 +391,8 @@
     mbedtls_rsa_init( &ctx2 );
     memset( output, 0x00, sizeof( output ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
 
@@ -452,10 +452,10 @@
 
     memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
 
@@ -530,11 +530,11 @@
 
     if( strlen( input_N ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
     }
     if( strlen( input_E ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
     }
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
@@ -562,36 +562,36 @@
     ctx.len = mod / 8;
     if( strlen( input_P ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.P, radix_P, input_P ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.P, input_P ) == 0 );
     }
     if( strlen( input_Q ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.Q, radix_Q, input_Q ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.Q, input_Q ) == 0 );
     }
     if( strlen( input_N ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.N, radix_N, input_N ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.N, input_N ) == 0 );
     }
     if( strlen( input_E ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.E, radix_E, input_E ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.E, input_E ) == 0 );
     }
     if( strlen( input_D ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.D, radix_D, input_D ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.D, input_D ) == 0 );
     }
 #if !defined(MBEDTLS_RSA_NO_CRT)
     if( strlen( input_DP ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.DP, radix_DP, input_DP ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.DP, input_DP ) == 0 );
     }
     if( strlen( input_DQ ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.DQ, radix_DQ, input_DQ ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.DQ, input_DQ ) == 0 );
     }
     if( strlen( input_QP ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.QP, radix_QP, input_QP ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &ctx.QP, input_QP ) == 0 );
     }
 #else
     ((void) radix_DP); ((void) input_DP);
@@ -626,45 +626,45 @@
 
     if( strlen( input_Npub ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &pub.N, radix_Npub, input_Npub ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &pub.N, input_Npub ) == 0 );
     }
     if( strlen( input_Epub ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &pub.E, radix_Epub, input_Epub ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &pub.E, input_Epub ) == 0 );
     }
 
     if( strlen( input_P ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.P, radix_P, input_P ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.P, input_P ) == 0 );
     }
     if( strlen( input_Q ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.Q, radix_Q, input_Q ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.Q, input_Q ) == 0 );
     }
     if( strlen( input_N ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.N, radix_N, input_N ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.N, input_N ) == 0 );
     }
     if( strlen( input_E ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.E, radix_E, input_E ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.E, input_E ) == 0 );
     }
     if( strlen( input_D ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.D, radix_D, input_D ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.D, input_D ) == 0 );
     }
 #if !defined(MBEDTLS_RSA_NO_CRT)
     if( strlen( input_DP ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.DP, radix_DP, input_DP ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.DP, input_DP ) == 0 );
     }
     if( strlen( input_DQ ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.DQ, radix_DQ, input_DQ ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.DQ, input_DQ ) == 0 );
     }
     if( strlen( input_QP ) )
     {
-        TEST_ASSERT( mbedtls_test_read_mpi( &prv.QP, radix_QP, input_QP ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &prv.QP, input_QP ) == 0 );
     }
 #else
     ((void) radix_DP); ((void) input_DP);
@@ -715,11 +715,11 @@
     mbedtls_mpi_init( &Pp ); mbedtls_mpi_init( &Qp );
     mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &D, radix_D, input_D ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Qp, radix_P, output_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Pp, radix_Q, output_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Qp, output_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Pp, output_Q ) == 0 );
 
     if( corrupt )
         TEST_ASSERT( mbedtls_mpi_add_int( &D, &D, 2 ) == 0 );
@@ -756,10 +756,10 @@
     mbedtls_mpi_init( &E );
     mbedtls_mpi_init( &R ); mbedtls_mpi_init( &Rp );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &Dp, radix_D, output_D ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &Dp, output_D ) == 0 );
 
     if( corrupt )
     {
@@ -833,19 +833,19 @@
     mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
 
     if( have_N )
-        TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
 
     if( have_P )
-        TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
 
     if( have_Q )
-        TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
 
     if( have_D )
-        TEST_ASSERT( mbedtls_test_read_mpi( &D, radix_D, input_D ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
 
     if( have_E )
-        TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     if( !successive )
     {
@@ -978,19 +978,19 @@
     /* Setup RSA context */
 
     if( have_N )
-        TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
 
     if( have_P )
-        TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
 
     if( have_Q )
-        TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
 
     if( have_D )
-        TEST_ASSERT( mbedtls_test_read_mpi( &D, radix_D, input_D ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
 
     if( have_E )
-        TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx,
                                      strlen( input_N ) ? &N : NULL,
@@ -1088,19 +1088,19 @@
     mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
 
     if( have_N )
-        TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
 
     if( have_P )
-        TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
 
     if( have_Q )
-        TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
 
     if( have_D )
-        TEST_ASSERT( mbedtls_test_read_mpi( &D, radix_D, input_D ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
 
     if( have_E )
-        TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 );
+        TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
 
     /* This test uses an insecure RNG, suitable only for testing.
      * In production, always use a cryptographically strong RNG! */
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 7a47477..12b4512 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -315,7 +315,7 @@
     if( pk_wrap == 2 )
         TEST_ASSERT( mbedtls_pk_get_type( &issuer_key ) == MBEDTLS_PK_OPAQUE );
 
-    TEST_ASSERT( mbedtls_test_read_mpi( &serial, 10, serial_str ) == 0 );
+    TEST_ASSERT( mbedtls_test_read_mpi( &serial, serial_str ) == 0 );
 
     if( ver != -1 )
         mbedtls_x509write_crt_set_version( &crt, ver );