diff --git a/include/mbedtls/certs.h b/include/mbedtls/certs.h
index b7c5708..179ebbb 100644
--- a/include/mbedtls/certs.h
+++ b/include/mbedtls/certs.h
@@ -36,68 +36,214 @@
 extern "C" {
 #endif
 
+/* List of all PEM-encoded CA certificates, terminated by NULL;
+ * PEM encoded if MBEDTLS_PEM_PARSE_C is enabled, DER encoded
+ * otherwise. */
+extern const char * mbedtls_test_cas[];
+extern const size_t mbedtls_test_cas_len[];
+
+/* List of all DER-encoded CA certificates, terminated by NULL */
+extern const unsigned char * mbedtls_test_cas_der[];
+extern const size_t mbedtls_test_cas_der_len[];
+
 #if defined(MBEDTLS_PEM_PARSE_C)
 /* Concatenation of all CA certificates in PEM format if available */
 extern const char   mbedtls_test_cas_pem[];
 extern const size_t mbedtls_test_cas_pem_len;
-#endif
-
-/* List of all CA certificates, terminated by NULL */
-extern const char * mbedtls_test_cas[];
-extern const size_t mbedtls_test_cas_len[];
+#endif /* MBEDTLS_PEM_PARSE_C */
 
 /*
- * Convenience for users who just want a certificate:
- * RSA by default, or ECDSA if RSA is not available
+ * CA test certificates
  */
-extern const char * mbedtls_test_ca_crt;
-extern const size_t mbedtls_test_ca_crt_len;
-extern const char * mbedtls_test_ca_key;
-extern const size_t mbedtls_test_ca_key_len;
-extern const char * mbedtls_test_ca_pwd;
-extern const size_t mbedtls_test_ca_pwd_len;
-extern const char * mbedtls_test_srv_crt;
-extern const size_t mbedtls_test_srv_crt_len;
-extern const char * mbedtls_test_srv_key;
-extern const size_t mbedtls_test_srv_key_len;
-extern const char * mbedtls_test_cli_crt;
-extern const size_t mbedtls_test_cli_crt_len;
-extern const char * mbedtls_test_cli_key;
-extern const size_t mbedtls_test_cli_key_len;
 
-#if defined(MBEDTLS_ECDSA_C)
-extern const char   mbedtls_test_ca_crt_ec[];
+extern const char mbedtls_test_ca_crt_ec_pem[];
+extern const char mbedtls_test_ca_key_ec_pem[];
+extern const char mbedtls_test_ca_pwd_ec_pem[];
+extern const char mbedtls_test_ca_key_rsa_pem[];
+extern const char mbedtls_test_ca_pwd_rsa_pem[];
+extern const char mbedtls_test_ca_crt_rsa_sha1_pem[];
+extern const char mbedtls_test_ca_crt_rsa_sha256_pem[];
+
+extern const unsigned char mbedtls_test_ca_crt_ec_der[];
+extern const unsigned char mbedtls_test_ca_key_ec_der[];
+extern const unsigned char mbedtls_test_ca_key_rsa_der[];
+extern const unsigned char mbedtls_test_ca_crt_rsa_sha1_der[];
+extern const unsigned char mbedtls_test_ca_crt_rsa_sha256_der[];
+
+extern const size_t mbedtls_test_ca_crt_ec_pem_len;
+extern const size_t mbedtls_test_ca_key_ec_pem_len;
+extern const size_t mbedtls_test_ca_pwd_ec_pem_len;
+extern const size_t mbedtls_test_ca_key_rsa_pem_len;
+extern const size_t mbedtls_test_ca_pwd_rsa_pem_len;
+extern const size_t mbedtls_test_ca_crt_rsa_sha1_pem_len;
+extern const size_t mbedtls_test_ca_crt_rsa_sha256_pem_len;
+
+extern const size_t mbedtls_test_ca_crt_ec_der_len;
+extern const size_t mbedtls_test_ca_key_ec_der_len;
+extern const size_t mbedtls_test_ca_pwd_ec_der_len;
+extern const size_t mbedtls_test_ca_key_rsa_der_len;
+extern const size_t mbedtls_test_ca_pwd_rsa_der_len;
+extern const size_t mbedtls_test_ca_crt_rsa_sha1_der_len;
+extern const size_t mbedtls_test_ca_crt_rsa_sha256_der_len;
+
+/* Config-dependent dispatch between PEM and DER encoding
+ * (PEM if enabled, otherwise DER) */
+
+extern const char mbedtls_test_ca_crt_ec[];
+extern const char mbedtls_test_ca_key_ec[];
+extern const char mbedtls_test_ca_pwd_ec[];
+extern const char mbedtls_test_ca_key_rsa[];
+extern const char mbedtls_test_ca_pwd_rsa[];
+extern const char mbedtls_test_ca_crt_rsa_sha1[];
+extern const char mbedtls_test_ca_crt_rsa_sha256[];
+
 extern const size_t mbedtls_test_ca_crt_ec_len;
-extern const char   mbedtls_test_ca_key_ec[];
 extern const size_t mbedtls_test_ca_key_ec_len;
-extern const char   mbedtls_test_ca_pwd_ec[];
 extern const size_t mbedtls_test_ca_pwd_ec_len;
-extern const char   mbedtls_test_srv_crt_ec[];
-extern const size_t mbedtls_test_srv_crt_ec_len;
-extern const char   mbedtls_test_srv_key_ec[];
-extern const size_t mbedtls_test_srv_key_ec_len;
-extern const char   mbedtls_test_cli_crt_ec[];
-extern const size_t mbedtls_test_cli_crt_ec_len;
-extern const char   mbedtls_test_cli_key_ec[];
-extern const size_t mbedtls_test_cli_key_ec_len;
-#endif
-
-#if defined(MBEDTLS_RSA_C)
-extern const char   mbedtls_test_ca_crt_rsa[];
-extern const size_t mbedtls_test_ca_crt_rsa_len;
-extern const char   mbedtls_test_ca_key_rsa[];
 extern const size_t mbedtls_test_ca_key_rsa_len;
-extern const char   mbedtls_test_ca_pwd_rsa[];
 extern const size_t mbedtls_test_ca_pwd_rsa_len;
-extern const char   mbedtls_test_srv_crt_rsa[];
-extern const size_t mbedtls_test_srv_crt_rsa_len;
-extern const char   mbedtls_test_srv_key_rsa[];
+extern const size_t mbedtls_test_ca_crt_rsa_sha1_len;
+extern const size_t mbedtls_test_ca_crt_rsa_sha256_len;
+
+/* Config-dependent dispatch between SHA-1 and SHA-256
+ * (SHA-256 if enabled, otherwise SHA-1) */
+
+extern const char mbedtls_test_ca_crt_rsa[];
+extern const size_t mbedtls_test_ca_crt_rsa_len;
+
+/* Config-dependent dispatch between EC and RSA
+ * (RSA if enabled, otherwise EC) */
+
+extern const char * mbedtls_test_ca_crt;
+extern const char * mbedtls_test_ca_key;
+extern const char * mbedtls_test_ca_pwd;
+extern const size_t mbedtls_test_ca_crt_len;
+extern const size_t mbedtls_test_ca_key_len;
+extern const size_t mbedtls_test_ca_pwd_len;
+
+/*
+ * Server test certificates
+ */
+
+extern const char mbedtls_test_srv_crt_ec_pem[];
+extern const char mbedtls_test_srv_key_ec_pem[];
+extern const char mbedtls_test_srv_pwd_ec_pem[];
+extern const char mbedtls_test_srv_key_rsa_pem[];
+extern const char mbedtls_test_srv_pwd_rsa_pem[];
+extern const char mbedtls_test_srv_crt_rsa_sha1_pem[];
+extern const char mbedtls_test_srv_crt_rsa_sha256_pem[];
+
+extern const unsigned char mbedtls_test_srv_crt_ec_der[];
+extern const unsigned char mbedtls_test_srv_key_ec_der[];
+extern const unsigned char mbedtls_test_srv_key_rsa_der[];
+extern const unsigned char mbedtls_test_srv_crt_rsa_sha1_der[];
+extern const unsigned char mbedtls_test_srv_crt_rsa_sha256_der[];
+
+extern const size_t mbedtls_test_srv_crt_ec_pem_len;
+extern const size_t mbedtls_test_srv_key_ec_pem_len;
+extern const size_t mbedtls_test_srv_pwd_ec_pem_len;
+extern const size_t mbedtls_test_srv_key_rsa_pem_len;
+extern const size_t mbedtls_test_srv_pwd_rsa_pem_len;
+extern const size_t mbedtls_test_srv_crt_rsa_sha1_pem_len;
+extern const size_t mbedtls_test_srv_crt_rsa_sha256_pem_len;
+
+extern const size_t mbedtls_test_srv_crt_ec_der_len;
+extern const size_t mbedtls_test_srv_key_ec_der_len;
+extern const size_t mbedtls_test_srv_pwd_ec_der_len;
+extern const size_t mbedtls_test_srv_key_rsa_der_len;
+extern const size_t mbedtls_test_srv_pwd_rsa_der_len;
+extern const size_t mbedtls_test_srv_crt_rsa_sha1_der_len;
+extern const size_t mbedtls_test_srv_crt_rsa_sha256_der_len;
+
+/* Config-dependent dispatch between PEM and DER encoding
+ * (PEM if enabled, otherwise DER) */
+
+extern const char mbedtls_test_srv_crt_ec[];
+extern const char mbedtls_test_srv_key_ec[];
+extern const char mbedtls_test_srv_pwd_ec[];
+extern const char mbedtls_test_srv_key_rsa[];
+extern const char mbedtls_test_srv_pwd_rsa[];
+extern const char mbedtls_test_srv_crt_rsa_sha1[];
+extern const char mbedtls_test_srv_crt_rsa_sha256[];
+
+extern const size_t mbedtls_test_srv_crt_ec_len;
+extern const size_t mbedtls_test_srv_key_ec_len;
+extern const size_t mbedtls_test_srv_pwd_ec_len;
 extern const size_t mbedtls_test_srv_key_rsa_len;
-extern const char   mbedtls_test_cli_crt_rsa[];
-extern const size_t mbedtls_test_cli_crt_rsa_len;
-extern const char   mbedtls_test_cli_key_rsa[];
+extern const size_t mbedtls_test_srv_pwd_rsa_len;
+extern const size_t mbedtls_test_srv_crt_rsa_sha1_len;
+extern const size_t mbedtls_test_srv_crt_rsa_sha256_len;
+
+/* Config-dependent dispatch between SHA-1 and SHA-256
+ * (SHA-256 if enabled, otherwise SHA-1) */
+
+extern const char mbedtls_test_srv_crt_rsa[];
+extern const size_t mbedtls_test_srv_crt_rsa_len;
+
+/* Config-dependent dispatch between EC and RSA
+ * (RSA if enabled, otherwise EC) */
+
+extern const char * mbedtls_test_srv_crt;
+extern const char * mbedtls_test_srv_key;
+extern const char * mbedtls_test_srv_pwd;
+extern const size_t mbedtls_test_srv_crt_len;
+extern const size_t mbedtls_test_srv_key_len;
+extern const size_t mbedtls_test_srv_pwd_len;
+
+/*
+ * Client test certificates
+ */
+
+extern const char mbedtls_test_cli_crt_ec_pem[];
+extern const char mbedtls_test_cli_key_ec_pem[];
+extern const char mbedtls_test_cli_pwd_ec_pem[];
+extern const char mbedtls_test_cli_key_rsa_pem[];
+extern const char mbedtls_test_cli_pwd_rsa_pem[];
+extern const char mbedtls_test_cli_crt_rsa_pem[];
+
+extern const unsigned char mbedtls_test_cli_crt_ec_der[];
+extern const unsigned char mbedtls_test_cli_key_ec_der[];
+extern const unsigned char mbedtls_test_cli_key_rsa_der[];
+extern const unsigned char mbedtls_test_cli_crt_rsa_der[];
+
+extern const size_t mbedtls_test_cli_crt_ec_pem_len;
+extern const size_t mbedtls_test_cli_key_ec_pem_len;
+extern const size_t mbedtls_test_cli_pwd_ec_pem_len;
+extern const size_t mbedtls_test_cli_key_rsa_pem_len;
+extern const size_t mbedtls_test_cli_pwd_rsa_pem_len;
+extern const size_t mbedtls_test_cli_crt_rsa_pem_len;
+
+extern const size_t mbedtls_test_cli_crt_ec_der_len;
+extern const size_t mbedtls_test_cli_key_ec_der_len;
+extern const size_t mbedtls_test_cli_key_rsa_der_len;
+extern const size_t mbedtls_test_cli_crt_rsa_der_len;
+
+/* Config-dependent dispatch between PEM and DER encoding
+ * (PEM if enabled, otherwise DER) */
+
+extern const char mbedtls_test_cli_crt_ec[];
+extern const char mbedtls_test_cli_key_ec[];
+extern const char mbedtls_test_cli_pwd_ec[];
+extern const char mbedtls_test_cli_key_rsa[];
+extern const char mbedtls_test_cli_pwd_rsa[];
+extern const char mbedtls_test_cli_crt_rsa[];
+
+extern const size_t mbedtls_test_cli_crt_ec_len;
+extern const size_t mbedtls_test_cli_key_ec_len;
+extern const size_t mbedtls_test_cli_pwd_ec_len;
 extern const size_t mbedtls_test_cli_key_rsa_len;
-#endif
+extern const size_t mbedtls_test_cli_pwd_rsa_len;
+extern const size_t mbedtls_test_cli_crt_rsa_len;
+
+/* Config-dependent dispatch between EC and RSA
+ * (RSA if enabled, otherwise EC) */
+
+extern const char * mbedtls_test_cli_crt;
+extern const char * mbedtls_test_cli_key;
+extern const char * mbedtls_test_cli_pwd;
+extern const size_t mbedtls_test_cli_crt_len;
+extern const size_t mbedtls_test_cli_key_len;
+extern const size_t mbedtls_test_cli_pwd_len;
 
 #ifdef __cplusplus
 }