fixed compilation without OpenSSL

closes https://github.com/OpenSC/OpenSC/pull/1518

src/libopensc/sm.h

@@ -35,12 +35,6 @@ extern "C" {
 #include <libopensc/types.h>
 #include <common/libscdl.h>
 
-#ifndef SHA_DIGEST_LENGTH
-#define SHA_DIGEST_LENGTH	20
-#define SHA1_DIGEST_LENGTH	20
-#define SHA256_DIGEST_LENGTH	32
-#endif
-
 #define SM_TYPE_GP_SCP01	0x100
 #define SM_TYPE_CWA14890	0x400
 #define SM_TYPE_DH_RSA		0x500

src/pkcs11/framework-pkcs15.c

@@ -27,9 +27,10 @@
 #include "libopensc/cardctl.h"
 #include "ui/notify.h"
 #include "common/compat_strnlen.h"
-
 #ifdef ENABLE_OPENSSL
-#include <openssl/opensslv.h>
+#include <openssl/sha.h>
+#else
+#define SHA_DIGEST_LENGTH	20
 #endif
 
 #include "sc-pkcs11.h"

src/sm/sm-eac.c

@@ -32,6 +32,8 @@
 
 #ifdef ENABLE_OPENSSL
 #include <openssl/evp.h>
+#else
+#define ssl_error(a)
 #endif
 
 char eac_default_flags = 0;