Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index 0e2ac92..539c39d 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -2,8 +2,8 @@
 #include "mbedtls/ecdsa.h"
 #include "hash_info.h"
 #include "mbedtls/legacy_or_psa.h"
-#if ( defined(MBEDTLS_ECDSA_DETERMINISTIC) && defined(MBEDTLS_SHA256_C) ) || \
-    ( !defined(MBEDTLS_ECDSA_DETERMINISTIC) && defined(MBEDTLS_HAS_ALG_SHA_256_VIA_LOWLEVEL_OR_PSA) )
+#if (defined(MBEDTLS_ECDSA_DETERMINISTIC) && defined(MBEDTLS_SHA256_C)) || \
+    (!defined(MBEDTLS_ECDSA_DETERMINISTIC) && defined(MBEDTLS_HAS_ALG_SHA_256_VIA_LOWLEVEL_OR_PSA))
 #define MBEDTLS_HAS_ALG_SHA_256_VIA_MD_IF_DETERMINISTIC
 #endif
 /* END_HEADER */
@@ -14,7 +14,7 @@
  */
 
 /* BEGIN_CASE */
-void ecdsa_prim_zero( int id )
+void ecdsa_prim_zero(int id)
 {
     mbedtls_ecp_group grp;
     mbedtls_ecp_point Q;
@@ -22,31 +22,31 @@
     mbedtls_test_rnd_pseudo_info rnd_info;
     unsigned char buf[MBEDTLS_HASH_MAX_SIZE];
 
-    mbedtls_ecp_group_init( &grp );
-    mbedtls_ecp_point_init( &Q );
-    mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s );
-    memset( &rnd_info, 0x00, sizeof( mbedtls_test_rnd_pseudo_info ) );
-    memset( buf, 0, sizeof( buf ) );
+    mbedtls_ecp_group_init(&grp);
+    mbedtls_ecp_point_init(&Q);
+    mbedtls_mpi_init(&d); mbedtls_mpi_init(&r); mbedtls_mpi_init(&s);
+    memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info));
+    memset(buf, 0, sizeof(buf));
 
-    TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_ecp_gen_keypair( &grp, &d, &Q,
-                                          &mbedtls_test_rnd_pseudo_rand,
-                                          &rnd_info ) == 0 );
+    TEST_ASSERT(mbedtls_ecp_group_load(&grp, id) == 0);
+    TEST_ASSERT(mbedtls_ecp_gen_keypair(&grp, &d, &Q,
+                                        &mbedtls_test_rnd_pseudo_rand,
+                                        &rnd_info) == 0);
 
-    TEST_ASSERT( mbedtls_ecdsa_sign( &grp, &r, &s, &d, buf, sizeof( buf ),
-                                     &mbedtls_test_rnd_pseudo_rand,
-                                     &rnd_info ) == 0 );
-    TEST_ASSERT( mbedtls_ecdsa_verify( &grp, buf, sizeof( buf ), &Q, &r, &s ) == 0 );
+    TEST_ASSERT(mbedtls_ecdsa_sign(&grp, &r, &s, &d, buf, sizeof(buf),
+                                   &mbedtls_test_rnd_pseudo_rand,
+                                   &rnd_info) == 0);
+    TEST_ASSERT(mbedtls_ecdsa_verify(&grp, buf, sizeof(buf), &Q, &r, &s) == 0);
 
 exit:
-    mbedtls_ecp_group_free( &grp );
-    mbedtls_ecp_point_free( &Q );
-    mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s );
+    mbedtls_ecp_group_free(&grp);
+    mbedtls_ecp_point_free(&Q);
+    mbedtls_mpi_free(&d); mbedtls_mpi_free(&r); mbedtls_mpi_free(&s);
 }
 /* END_CASE */
 
 /* BEGIN_CASE */
-void ecdsa_prim_random( int id )
+void ecdsa_prim_random(int id)
 {
     mbedtls_ecp_group grp;
     mbedtls_ecp_point Q;
@@ -54,184 +54,183 @@
     mbedtls_test_rnd_pseudo_info rnd_info;
     unsigned char buf[MBEDTLS_HASH_MAX_SIZE];
 
-    mbedtls_ecp_group_init( &grp );
-    mbedtls_ecp_point_init( &Q );
-    mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s );
-    memset( &rnd_info, 0x00, sizeof( mbedtls_test_rnd_pseudo_info ) );
-    memset( buf, 0, sizeof( buf ) );
+    mbedtls_ecp_group_init(&grp);
+    mbedtls_ecp_point_init(&Q);
+    mbedtls_mpi_init(&d); mbedtls_mpi_init(&r); mbedtls_mpi_init(&s);
+    memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info));
+    memset(buf, 0, sizeof(buf));
 
     /* prepare material for signature */
-    TEST_ASSERT( mbedtls_test_rnd_pseudo_rand( &rnd_info,
-                                               buf, sizeof( buf ) ) == 0 );
-    TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_ecp_gen_keypair( &grp, &d, &Q,
-                                          &mbedtls_test_rnd_pseudo_rand,
-                                          &rnd_info ) == 0 );
+    TEST_ASSERT(mbedtls_test_rnd_pseudo_rand(&rnd_info,
+                                             buf, sizeof(buf)) == 0);
+    TEST_ASSERT(mbedtls_ecp_group_load(&grp, id) == 0);
+    TEST_ASSERT(mbedtls_ecp_gen_keypair(&grp, &d, &Q,
+                                        &mbedtls_test_rnd_pseudo_rand,
+                                        &rnd_info) == 0);
 
-    TEST_ASSERT( mbedtls_ecdsa_sign( &grp, &r, &s, &d, buf, sizeof( buf ),
-                                     &mbedtls_test_rnd_pseudo_rand,
-                                     &rnd_info ) == 0 );
-    TEST_ASSERT( mbedtls_ecdsa_verify( &grp, buf, sizeof( buf ), &Q, &r, &s ) == 0 );
+    TEST_ASSERT(mbedtls_ecdsa_sign(&grp, &r, &s, &d, buf, sizeof(buf),
+                                   &mbedtls_test_rnd_pseudo_rand,
+                                   &rnd_info) == 0);
+    TEST_ASSERT(mbedtls_ecdsa_verify(&grp, buf, sizeof(buf), &Q, &r, &s) == 0);
 
 exit:
-    mbedtls_ecp_group_free( &grp );
-    mbedtls_ecp_point_free( &Q );
-    mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s );
+    mbedtls_ecp_group_free(&grp);
+    mbedtls_ecp_point_free(&Q);
+    mbedtls_mpi_free(&d); mbedtls_mpi_free(&r); mbedtls_mpi_free(&s);
 }
 /* END_CASE */
 
 /* BEGIN_CASE */
-void ecdsa_prim_test_vectors( int id, char * d_str, char * xQ_str,
-                              char * yQ_str, data_t * rnd_buf,
-                              data_t * hash, char * r_str, char * s_str,
-                              int result )
+void ecdsa_prim_test_vectors(int id, char *d_str, char *xQ_str,
+                             char *yQ_str, data_t *rnd_buf,
+                             data_t *hash, char *r_str, char *s_str,
+                             int result)
 {
     mbedtls_ecp_group grp;
     mbedtls_ecp_point Q;
     mbedtls_mpi d, r, s, r_check, s_check, zero;
     mbedtls_test_rnd_buf_info rnd_info;
 
-    mbedtls_ecp_group_init( &grp );
-    mbedtls_ecp_point_init( &Q );
-    mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s );
-    mbedtls_mpi_init( &r_check ); mbedtls_mpi_init( &s_check );
-    mbedtls_mpi_init( &zero );
+    mbedtls_ecp_group_init(&grp);
+    mbedtls_ecp_point_init(&Q);
+    mbedtls_mpi_init(&d); mbedtls_mpi_init(&r); mbedtls_mpi_init(&s);
+    mbedtls_mpi_init(&r_check); mbedtls_mpi_init(&s_check);
+    mbedtls_mpi_init(&zero);
 
-    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, 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_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, 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;
     rnd_info.length = rnd_buf->len;
 
     /* Fix rnd_buf->x by shifting it left if necessary */
-    if( grp.nbits % 8 != 0 )
-    {
-        unsigned char shift = 8 - ( grp.nbits % 8 );
+    if (grp.nbits % 8 != 0) {
+        unsigned char shift = 8 - (grp.nbits % 8);
         size_t i;
 
-        for( i = 0; i < rnd_info.length - 1; i++ )
-            rnd_buf->x[i] = rnd_buf->x[i] << shift | rnd_buf->x[i+1] >> ( 8 - shift );
+        for (i = 0; i < rnd_info.length - 1; i++) {
+            rnd_buf->x[i] = rnd_buf->x[i] << shift | rnd_buf->x[i+1] >> (8 - shift);
+        }
 
         rnd_buf->x[rnd_info.length-1] <<= shift;
     }
 
-    TEST_ASSERT( mbedtls_ecdsa_sign( &grp, &r, &s, &d, hash->x, hash->len,
-                 mbedtls_test_rnd_buffer_rand, &rnd_info ) == result );
+    TEST_ASSERT(mbedtls_ecdsa_sign(&grp, &r, &s, &d, hash->x, hash->len,
+                                   mbedtls_test_rnd_buffer_rand, &rnd_info) == result);
 
-    if ( result == 0)
-    {
+    if (result == 0) {
         /* Check we generated the expected values */
-        TEST_EQUAL( mbedtls_mpi_cmp_mpi( &r, &r_check ), 0 );
-        TEST_EQUAL( mbedtls_mpi_cmp_mpi( &s, &s_check ), 0 );
+        TEST_EQUAL(mbedtls_mpi_cmp_mpi(&r, &r_check), 0);
+        TEST_EQUAL(mbedtls_mpi_cmp_mpi(&s, &s_check), 0);
 
         /* Valid signature */
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
-                                          &Q, &r_check, &s_check ), 0 );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len,
+                                        &Q, &r_check, &s_check), 0);
 
         /* Invalid signature: wrong public key (G instead of Q) */
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
-                    &grp.G, &r_check, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len,
+                                        &grp.G, &r_check, &s_check), MBEDTLS_ERR_ECP_VERIFY_FAILED);
 
         /* Invalid signatures: r or s or both one off */
-        TEST_EQUAL( mbedtls_mpi_sub_int( &r, &r_check, 1 ), 0 );
-        TEST_EQUAL( mbedtls_mpi_add_int( &s, &s_check, 1 ), 0 );
+        TEST_EQUAL(mbedtls_mpi_sub_int(&r, &r_check, 1), 0);
+        TEST_EQUAL(mbedtls_mpi_add_int(&s, &s_check, 1), 0);
 
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r_check, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r, &s_check), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r_check, &s), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r, &s), MBEDTLS_ERR_ECP_VERIFY_FAILED);
 
         /* Invalid signatures: r, s or both (CVE-2022-21449) are zero */
-        TEST_EQUAL( mbedtls_mpi_lset( &zero, 0 ), 0 );
+        TEST_EQUAL(mbedtls_mpi_lset(&zero, 0), 0);
 
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &zero, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r_check, &zero ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &zero, &zero ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &zero, &s_check), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r_check, &zero), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &zero, &zero), MBEDTLS_ERR_ECP_VERIFY_FAILED);
 
         /* Invalid signatures: r, s or both are == N */
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &grp.N, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r_check, &grp.N ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &grp.N, &grp.N ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &grp.N, &s_check), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r_check, &grp.N), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &grp.N, &grp.N), MBEDTLS_ERR_ECP_VERIFY_FAILED);
 
         /* Invalid signatures: r, s or both are negative */
-        TEST_EQUAL( mbedtls_mpi_sub_mpi( &r, &r_check, &grp.N ), 0 );
-        TEST_EQUAL( mbedtls_mpi_sub_mpi( &s, &s_check, &grp.N ), 0 );
+        TEST_EQUAL(mbedtls_mpi_sub_mpi(&r, &r_check, &grp.N), 0);
+        TEST_EQUAL(mbedtls_mpi_sub_mpi(&s, &s_check, &grp.N), 0);
 
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r_check, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r, &s_check), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r_check, &s), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r, &s), MBEDTLS_ERR_ECP_VERIFY_FAILED);
 
         /* Invalid signatures: r or s or both are > N */
-        TEST_EQUAL( mbedtls_mpi_add_mpi( &r, &r_check, &grp.N ), 0 );
-        TEST_EQUAL( mbedtls_mpi_add_mpi( &s, &s_check, &grp.N ), 0 );
+        TEST_EQUAL(mbedtls_mpi_add_mpi(&r, &r_check, &grp.N), 0);
+        TEST_EQUAL(mbedtls_mpi_add_mpi(&s, &s_check, &grp.N), 0);
 
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r_check, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
-                    &r, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r, &s_check), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r_check, &s), MBEDTLS_ERR_ECP_VERIFY_FAILED);
+        TEST_EQUAL(mbedtls_ecdsa_verify(&grp, hash->x, hash->len, &Q,
+                                        &r, &s), MBEDTLS_ERR_ECP_VERIFY_FAILED);
     }
 
 exit:
-    mbedtls_ecp_group_free( &grp );
-    mbedtls_ecp_point_free( &Q );
-    mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s );
-    mbedtls_mpi_free( &r_check ); mbedtls_mpi_free( &s_check );
-    mbedtls_mpi_free( &zero );
+    mbedtls_ecp_group_free(&grp);
+    mbedtls_ecp_point_free(&Q);
+    mbedtls_mpi_free(&d); mbedtls_mpi_free(&r); mbedtls_mpi_free(&s);
+    mbedtls_mpi_free(&r_check); mbedtls_mpi_free(&s_check);
+    mbedtls_mpi_free(&zero);
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_ECDSA_DETERMINISTIC */
-void ecdsa_det_test_vectors( int id, char * d_str, int md_alg, data_t * hash,
-                             char * r_str, char * s_str )
+void ecdsa_det_test_vectors(int id, char *d_str, int md_alg, data_t *hash,
+                            char *r_str, char *s_str)
 {
     mbedtls_ecp_group grp;
     mbedtls_mpi d, r, s, r_check, s_check;
 
-    mbedtls_ecp_group_init( &grp );
-    mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s );
-    mbedtls_mpi_init( &r_check ); mbedtls_mpi_init( &s_check );
+    mbedtls_ecp_group_init(&grp);
+    mbedtls_mpi_init(&d); mbedtls_mpi_init(&r); mbedtls_mpi_init(&s);
+    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, 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_ecp_group_load(&grp, id) == 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,
-                                            hash->x, hash->len, md_alg,
-                                            mbedtls_test_rnd_std_rand,
-                                            NULL )
-                == 0 );
+        mbedtls_ecdsa_sign_det_ext(&grp, &r, &s, &d,
+                                   hash->x, hash->len, md_alg,
+                                   mbedtls_test_rnd_std_rand,
+                                   NULL)
+        == 0);
 
-    TEST_ASSERT( mbedtls_mpi_cmp_mpi( &r, &r_check ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_cmp_mpi( &s, &s_check ) == 0 );
+    TEST_ASSERT(mbedtls_mpi_cmp_mpi(&r, &r_check) == 0);
+    TEST_ASSERT(mbedtls_mpi_cmp_mpi(&s, &s_check) == 0);
 
 exit:
-    mbedtls_ecp_group_free( &grp );
-    mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s );
-    mbedtls_mpi_free( &r_check ); mbedtls_mpi_free( &s_check );
+    mbedtls_ecp_group_free(&grp);
+    mbedtls_mpi_free(&d); mbedtls_mpi_free(&r); mbedtls_mpi_free(&s);
+    mbedtls_mpi_free(&r_check); mbedtls_mpi_free(&s_check);
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_IF_DETERMINISTIC */
-void ecdsa_write_read_zero( int id )
+void ecdsa_write_read_zero(int id)
 {
     mbedtls_ecdsa_context ctx;
     mbedtls_test_rnd_pseudo_info rnd_info;
@@ -239,59 +238,61 @@
     unsigned char sig[200];
     size_t sig_len, i;
 
-    mbedtls_ecdsa_init( &ctx );
-    memset( &rnd_info, 0x00, sizeof( mbedtls_test_rnd_pseudo_info ) );
-    memset( hash, 0, sizeof( hash ) );
-    memset( sig, 0x2a, sizeof( sig ) );
+    mbedtls_ecdsa_init(&ctx);
+    memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info));
+    memset(hash, 0, sizeof(hash));
+    memset(sig, 0x2a, sizeof(sig));
 
     /* generate signing key */
-    TEST_ASSERT( mbedtls_ecdsa_genkey( &ctx, id,
-                                       &mbedtls_test_rnd_pseudo_rand,
-                                       &rnd_info ) == 0 );
+    TEST_ASSERT(mbedtls_ecdsa_genkey(&ctx, id,
+                                     &mbedtls_test_rnd_pseudo_rand,
+                                     &rnd_info) == 0);
 
     /* generate and write signature, then read and verify it */
-    TEST_ASSERT( mbedtls_ecdsa_write_signature( &ctx, MBEDTLS_MD_SHA256,
-                 hash, sizeof( hash ),
-                 sig, sizeof( sig ), &sig_len, &mbedtls_test_rnd_pseudo_rand,
-                 &rnd_info ) == 0 );
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) == 0 );
+    TEST_ASSERT(mbedtls_ecdsa_write_signature(&ctx, MBEDTLS_MD_SHA256,
+                                              hash, sizeof(hash),
+                                              sig, sizeof(sig), &sig_len,
+                                              &mbedtls_test_rnd_pseudo_rand,
+                                              &rnd_info) == 0);
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) == 0);
 
     /* check we didn't write past the announced length */
-    for( i = sig_len; i < sizeof( sig ); i++ )
-        TEST_ASSERT( sig[i] == 0x2a );
+    for (i = sig_len; i < sizeof(sig); i++) {
+        TEST_ASSERT(sig[i] == 0x2a);
+    }
 
     /* try verification with invalid length */
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len - 1 ) != 0 );
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len + 1 ) != 0 );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len - 1) != 0);
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len + 1) != 0);
 
     /* try invalid sequence tag */
     sig[0]++;
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) != 0 );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) != 0);
     sig[0]--;
 
     /* try modifying r */
     sig[10]++;
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) == MBEDTLS_ERR_ECP_VERIFY_FAILED);
     sig[10]--;
 
     /* try modifying s */
     sig[sig_len - 1]++;
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) == MBEDTLS_ERR_ECP_VERIFY_FAILED);
     sig[sig_len - 1]--;
 
 exit:
-    mbedtls_ecdsa_free( &ctx );
+    mbedtls_ecdsa_free(&ctx);
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_IF_DETERMINISTIC */
-void ecdsa_write_read_random( int id )
+void ecdsa_write_read_random(int id)
 {
     mbedtls_ecdsa_context ctx;
     mbedtls_test_rnd_pseudo_info rnd_info;
@@ -299,127 +300,132 @@
     unsigned char sig[200];
     size_t sig_len, i;
 
-    mbedtls_ecdsa_init( &ctx );
-    memset( &rnd_info, 0x00, sizeof( mbedtls_test_rnd_pseudo_info ) );
-    memset( hash, 0, sizeof( hash ) );
-    memset( sig, 0x2a, sizeof( sig ) );
+    mbedtls_ecdsa_init(&ctx);
+    memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info));
+    memset(hash, 0, sizeof(hash));
+    memset(sig, 0x2a, sizeof(sig));
 
     /* prepare material for signature */
-    TEST_ASSERT( mbedtls_test_rnd_pseudo_rand( &rnd_info,
-                                               hash, sizeof( hash ) ) == 0 );
+    TEST_ASSERT(mbedtls_test_rnd_pseudo_rand(&rnd_info,
+                                             hash, sizeof(hash)) == 0);
 
     /* generate signing key */
-    TEST_ASSERT( mbedtls_ecdsa_genkey( &ctx, id,
-                                       &mbedtls_test_rnd_pseudo_rand,
-                                       &rnd_info ) == 0 );
+    TEST_ASSERT(mbedtls_ecdsa_genkey(&ctx, id,
+                                     &mbedtls_test_rnd_pseudo_rand,
+                                     &rnd_info) == 0);
 
     /* generate and write signature, then read and verify it */
-    TEST_ASSERT( mbedtls_ecdsa_write_signature( &ctx, MBEDTLS_MD_SHA256,
-                 hash, sizeof( hash ),
-                 sig, sizeof( sig ), &sig_len, &mbedtls_test_rnd_pseudo_rand,
-                 &rnd_info ) == 0 );
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) == 0 );
+    TEST_ASSERT(mbedtls_ecdsa_write_signature(&ctx, MBEDTLS_MD_SHA256,
+                                              hash, sizeof(hash),
+                                              sig, sizeof(sig), &sig_len,
+                                              &mbedtls_test_rnd_pseudo_rand,
+                                              &rnd_info) == 0);
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) == 0);
 
     /* check we didn't write past the announced length */
-    for( i = sig_len; i < sizeof( sig ); i++ )
-        TEST_ASSERT( sig[i] == 0x2a );
+    for (i = sig_len; i < sizeof(sig); i++) {
+        TEST_ASSERT(sig[i] == 0x2a);
+    }
 
     /* try verification with invalid length */
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len - 1 ) != 0 );
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len + 1 ) != 0 );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len - 1) != 0);
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len + 1) != 0);
 
     /* try invalid sequence tag */
     sig[0]++;
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) != 0 );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) != 0);
     sig[0]--;
 
     /* try modifying r */
     sig[10]++;
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) == MBEDTLS_ERR_ECP_VERIFY_FAILED);
     sig[10]--;
 
     /* try modifying s */
     sig[sig_len - 1]++;
-    TEST_ASSERT( mbedtls_ecdsa_read_signature( &ctx, hash, sizeof( hash ),
-                 sig, sig_len ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+    TEST_ASSERT(mbedtls_ecdsa_read_signature(&ctx, hash, sizeof(hash),
+                                             sig, sig_len) == MBEDTLS_ERR_ECP_VERIFY_FAILED);
     sig[sig_len - 1]--;
 
 exit:
-    mbedtls_ecdsa_free( &ctx );
+    mbedtls_ecdsa_free(&ctx);
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
-void ecdsa_read_restart( int id, data_t *pk, data_t *hash, data_t *sig,
-                         int max_ops, int min_restart, int max_restart )
+void ecdsa_read_restart(int id, data_t *pk, data_t *hash, data_t *sig,
+                        int max_ops, int min_restart, int max_restart)
 {
     mbedtls_ecdsa_context ctx;
     mbedtls_ecdsa_restart_ctx rs_ctx;
     int ret, cnt_restart;
 
-    mbedtls_ecdsa_init( &ctx );
-    mbedtls_ecdsa_restart_init( &rs_ctx );
+    mbedtls_ecdsa_init(&ctx);
+    mbedtls_ecdsa_restart_init(&rs_ctx);
 
-    TEST_ASSERT( mbedtls_ecp_group_load( &ctx.grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_ecp_point_read_binary( &ctx.grp, &ctx.Q,
-                                                pk->x, pk->len ) == 0 );
+    TEST_ASSERT(mbedtls_ecp_group_load(&ctx.grp, id) == 0);
+    TEST_ASSERT(mbedtls_ecp_point_read_binary(&ctx.grp, &ctx.Q,
+                                              pk->x, pk->len) == 0);
 
-    mbedtls_ecp_set_max_ops( max_ops );
+    mbedtls_ecp_set_max_ops(max_ops);
 
     cnt_restart = 0;
     do {
-        ret = mbedtls_ecdsa_read_signature_restartable( &ctx,
-                            hash->x, hash->len, sig->x, sig->len, &rs_ctx );
-    } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart );
+        ret = mbedtls_ecdsa_read_signature_restartable(&ctx,
+                                                       hash->x, hash->len, sig->x, sig->len,
+                                                       &rs_ctx);
+    } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart);
 
-    TEST_ASSERT( ret == 0 );
-    TEST_ASSERT( cnt_restart >= min_restart );
-    TEST_ASSERT( cnt_restart <= max_restart );
+    TEST_ASSERT(ret == 0);
+    TEST_ASSERT(cnt_restart >= min_restart);
+    TEST_ASSERT(cnt_restart <= max_restart);
 
     /* try modifying r */
 
-    TEST_ASSERT( sig->len > 10 );
+    TEST_ASSERT(sig->len > 10);
     sig->x[10]++;
     do {
-        ret = mbedtls_ecdsa_read_signature_restartable( &ctx,
-                            hash->x, hash->len, sig->x, sig->len, &rs_ctx );
-    } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
-    TEST_ASSERT( ret == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        ret = mbedtls_ecdsa_read_signature_restartable(&ctx,
+                                                       hash->x, hash->len, sig->x, sig->len,
+                                                       &rs_ctx);
+    } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS);
+    TEST_ASSERT(ret == MBEDTLS_ERR_ECP_VERIFY_FAILED);
     sig->x[10]--;
 
     /* try modifying s */
     sig->x[sig->len - 1]++;
     do {
-        ret = mbedtls_ecdsa_read_signature_restartable( &ctx,
-                            hash->x, hash->len, sig->x, sig->len, &rs_ctx );
-    } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
-    TEST_ASSERT( ret == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        ret = mbedtls_ecdsa_read_signature_restartable(&ctx,
+                                                       hash->x, hash->len, sig->x, sig->len,
+                                                       &rs_ctx);
+    } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS);
+    TEST_ASSERT(ret == MBEDTLS_ERR_ECP_VERIFY_FAILED);
     sig->x[sig->len - 1]--;
 
     /* Do we leak memory when aborting an operation?
      * This test only makes sense when we actually restart */
-    if( min_restart > 0 )
-    {
-        ret = mbedtls_ecdsa_read_signature_restartable( &ctx,
-                            hash->x, hash->len, sig->x, sig->len, &rs_ctx );
-        TEST_ASSERT( ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
+    if (min_restart > 0) {
+        ret = mbedtls_ecdsa_read_signature_restartable(&ctx,
+                                                       hash->x, hash->len, sig->x, sig->len,
+                                                       &rs_ctx);
+        TEST_ASSERT(ret == MBEDTLS_ERR_ECP_IN_PROGRESS);
     }
 
 exit:
-    mbedtls_ecdsa_free( &ctx );
-    mbedtls_ecdsa_restart_free( &rs_ctx );
+    mbedtls_ecdsa_free(&ctx);
+    mbedtls_ecdsa_restart_free(&rs_ctx);
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE:MBEDTLS_ECDSA_DETERMINISTIC */
-void ecdsa_write_restart( int id, char *d_str, int md_alg,
-                          data_t *hash, data_t *sig_check,
-                          int max_ops, int min_restart, int max_restart )
+void ecdsa_write_restart(int id, char *d_str, int md_alg,
+                         data_t *hash, data_t *sig_check,
+                         int max_ops, int min_restart, int max_restart)
 {
     int ret, cnt_restart;
     mbedtls_ecdsa_restart_ctx rs_ctx;
@@ -427,79 +433,92 @@
     unsigned char sig[MBEDTLS_ECDSA_MAX_LEN];
     size_t slen;
 
-    mbedtls_ecdsa_restart_init( &rs_ctx );
-    mbedtls_ecdsa_init( &ctx );
-    memset( sig, 0, sizeof( sig ) );
+    mbedtls_ecdsa_restart_init(&rs_ctx);
+    mbedtls_ecdsa_init(&ctx);
+    memset(sig, 0, sizeof(sig));
 
-    TEST_ASSERT( mbedtls_ecp_group_load( &ctx.grp, id ) == 0 );
-    TEST_ASSERT( mbedtls_test_read_mpi( &ctx.d, d_str ) == 0 );
+    TEST_ASSERT(mbedtls_ecp_group_load(&ctx.grp, id) == 0);
+    TEST_ASSERT(mbedtls_test_read_mpi(&ctx.d, d_str) == 0);
 
-    mbedtls_ecp_set_max_ops( max_ops );
+    mbedtls_ecp_set_max_ops(max_ops);
 
-    slen = sizeof( sig );
+    slen = sizeof(sig);
     cnt_restart = 0;
     do {
-        ret = mbedtls_ecdsa_write_signature_restartable( &ctx,
-                md_alg, hash->x, hash->len, sig, sizeof( sig ), &slen,
-                mbedtls_test_rnd_std_rand, NULL, &rs_ctx );
-    } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart );
+        ret = mbedtls_ecdsa_write_signature_restartable(&ctx,
+                                                        md_alg,
+                                                        hash->x,
+                                                        hash->len,
+                                                        sig,
+                                                        sizeof(sig),
+                                                        &slen,
+                                                        mbedtls_test_rnd_std_rand,
+                                                        NULL,
+                                                        &rs_ctx);
+    } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart);
 
-    TEST_ASSERT( ret == 0 );
-    TEST_ASSERT( slen == sig_check->len );
-    TEST_ASSERT( memcmp( sig, sig_check->x, slen ) == 0 );
+    TEST_ASSERT(ret == 0);
+    TEST_ASSERT(slen == sig_check->len);
+    TEST_ASSERT(memcmp(sig, sig_check->x, slen) == 0);
 
-    TEST_ASSERT( cnt_restart >= min_restart );
-    TEST_ASSERT( cnt_restart <= max_restart );
+    TEST_ASSERT(cnt_restart >= min_restart);
+    TEST_ASSERT(cnt_restart <= max_restart);
 
     /* Do we leak memory when aborting an operation?
      * This test only makes sense when we actually restart */
-    if( min_restart > 0 )
-    {
-        ret = mbedtls_ecdsa_write_signature_restartable( &ctx,
-                md_alg, hash->x, hash->len, sig, sizeof( sig ), &slen,
-                mbedtls_test_rnd_std_rand, NULL, &rs_ctx );
-        TEST_ASSERT( ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
+    if (min_restart > 0) {
+        ret = mbedtls_ecdsa_write_signature_restartable(&ctx,
+                                                        md_alg,
+                                                        hash->x,
+                                                        hash->len,
+                                                        sig,
+                                                        sizeof(sig),
+                                                        &slen,
+                                                        mbedtls_test_rnd_std_rand,
+                                                        NULL,
+                                                        &rs_ctx);
+        TEST_ASSERT(ret == MBEDTLS_ERR_ECP_IN_PROGRESS);
     }
 
 exit:
-    mbedtls_ecdsa_restart_free( &rs_ctx );
-    mbedtls_ecdsa_free( &ctx );
+    mbedtls_ecdsa_restart_free(&rs_ctx);
+    mbedtls_ecdsa_free(&ctx);
 }
 /* END_CASE */
 
 /* BEGIN_CASE */
-void ecdsa_verify( int grp_id, char * x, char * y, char * r, char * s, data_t * content, int expected )
+void ecdsa_verify(int grp_id, char *x, char *y, char *r, char *s, data_t *content, int expected)
 {
     mbedtls_ecdsa_context ctx;
     mbedtls_mpi sig_r, sig_s;
 
-    mbedtls_ecdsa_init( &ctx );
-    mbedtls_mpi_init( &sig_r );
-    mbedtls_mpi_init( &sig_s );
+    mbedtls_ecdsa_init(&ctx);
+    mbedtls_mpi_init(&sig_r);
+    mbedtls_mpi_init(&sig_s);
 
     /* Prepare ECP group context */
-    TEST_EQUAL( mbedtls_ecp_group_load( &ctx.grp, grp_id ), 0 );
+    TEST_EQUAL(mbedtls_ecp_group_load(&ctx.grp, grp_id), 0);
 
     /* Prepare public key */
-    TEST_EQUAL( mbedtls_test_read_mpi( &ctx.Q.X, x ), 0 );
-    TEST_EQUAL( mbedtls_test_read_mpi( &ctx.Q.Y, y ), 0 );
-    TEST_EQUAL( mbedtls_mpi_lset( &ctx.Q.Z, 1 ), 0 );
+    TEST_EQUAL(mbedtls_test_read_mpi(&ctx.Q.X, x), 0);
+    TEST_EQUAL(mbedtls_test_read_mpi(&ctx.Q.Y, y), 0);
+    TEST_EQUAL(mbedtls_mpi_lset(&ctx.Q.Z, 1), 0);
 
     /* Prepare signature R & S */
-    TEST_EQUAL( mbedtls_test_read_mpi( &sig_r, r ), 0 );
-    TEST_EQUAL( mbedtls_test_read_mpi( &sig_s, s ), 0 );
+    TEST_EQUAL(mbedtls_test_read_mpi(&sig_r, r), 0);
+    TEST_EQUAL(mbedtls_test_read_mpi(&sig_s, s), 0);
 
     /* Test whether public key has expected validity */
-    TEST_EQUAL( mbedtls_ecp_check_pubkey( &ctx.grp, &ctx.Q ),
-        expected == MBEDTLS_ERR_ECP_INVALID_KEY ? MBEDTLS_ERR_ECP_INVALID_KEY : 0 );
+    TEST_EQUAL(mbedtls_ecp_check_pubkey(&ctx.grp, &ctx.Q),
+               expected == MBEDTLS_ERR_ECP_INVALID_KEY ? MBEDTLS_ERR_ECP_INVALID_KEY : 0);
 
     /* Verification */
-    int result = mbedtls_ecdsa_verify( &ctx.grp, content->x, content->len, &ctx.Q, &sig_r, &sig_s );
+    int result = mbedtls_ecdsa_verify(&ctx.grp, content->x, content->len, &ctx.Q, &sig_r, &sig_s);
 
-    TEST_EQUAL( result, expected );
+    TEST_EQUAL(result, expected);
 exit:
-    mbedtls_ecdsa_free( &ctx );
-    mbedtls_mpi_free( &sig_r );
-    mbedtls_mpi_free( &sig_s );
+    mbedtls_ecdsa_free(&ctx);
+    mbedtls_mpi_free(&sig_r);
+    mbedtls_mpi_free(&sig_s);
 }
 /* END_CASE */