--- a/keyimport.c	Fri Nov 08 23:11:43 2013 +0800
+++ b/keyimport.c	Fri Nov 08 23:32:13 2013 +0800
@@ -112,7 +112,7 @@
 
 	buffer * buf = NULL;
 	sign_key *ret = NULL;
-	int type;
+	enum signkey_type type;
 
 	buf = buf_new(MAX_PRIVKEY_SIZE);
 	if (buf_readfile(buf, filename) == DROPBEAR_FAILURE) {
@@ -501,7 +501,7 @@
 	return ret;
 }
 
-static sign_key *openssh_read(const char *filename, char *passphrase)
+static sign_key *openssh_read(const char *filename, char * UNUSED(passphrase))
 {
 	struct openssh_key *key;
 	unsigned char *p;
@@ -511,7 +511,7 @@
 	char *errmsg;
 	char *modptr = NULL;
 	int modlen = -9999;
-	int type;
+	enum signkey_type type;
 
 	sign_key *retkey;
 	buffer * blobbuf = NULL;
@@ -709,19 +709,29 @@
 			goto error;
 		}
 
-		if (len == sizeof(OID_SEC256R1_BLOB) 
+		if (0) {}
+#ifdef DROPBEAR_ECC_256
+		else if (len == sizeof(OID_SEC256R1_BLOB) 
 			&& memcmp(p, OID_SEC256R1_BLOB, len) == 0) {
 			retkey->type = DROPBEAR_SIGNKEY_ECDSA_NISTP256;
 			curve = &ecc_curve_nistp256;
-		} else if (len == sizeof(OID_SEC384R1_BLOB)
+		} 
+#endif
+#ifdef DROPBEAR_ECC_384
+		else if (len == sizeof(OID_SEC384R1_BLOB)
 			&& memcmp(p, OID_SEC384R1_BLOB, len) == 0) {
 			retkey->type = DROPBEAR_SIGNKEY_ECDSA_NISTP384;
 			curve = &ecc_curve_nistp384;
-		} else if (len == sizeof(OID_SEC521R1_BLOB)
+		} 
+#endif
+#ifdef DROPBEAR_ECC_521
+		else if (len == sizeof(OID_SEC521R1_BLOB)
 			&& memcmp(p, OID_SEC521R1_BLOB, len) == 0) {
 			retkey->type = DROPBEAR_SIGNKEY_ECDSA_NISTP521;
 			curve = &ecc_curve_nistp521;
-		} else {
+		} 
+#endif
+		else {
 			errmsg = "Unknown ECC key type";
 			goto error;
 		}
@@ -1019,7 +1029,7 @@
 		*/
 		buffer *seq_buf = buf_new(400);
 		ecc_key **eck = (ecc_key**)signkey_key_ptr(key, key->type);
-		const unsigned long curve_size = (*eck)->dp->size;
+		const long curve_size = (*eck)->dp->size;
 		int curve_oid_len = 0;
 		const void* curve_oid = NULL;
 		unsigned long pubkey_size = 2*curve_size+1;