Compilation fixes

edge.c

@@ -340,8 +340,6 @@ static int setOption(int optkey, char *optargument, n2n_priv_config_t *ec, n2n_e
   case 'k': /* encrypt key */
     {
       if(conf->encrypt_key) free(conf->encrypt_key);
-      if(conf->transop_id == N2N_TRANSFORM_ID_NULL)
-        conf->transop_id = N2N_TRANSFORM_ID_TWOFISH;
       conf->encrypt_key = strdup(optargument);
       traceEvent(TRACE_DEBUG, "encrypt_key = '%s'\n", conf->encrypt_key);
       break;
@@ -835,6 +833,14 @@ int main(int argc, char* argv[]) {
   rc = -1;
 #endif
 
+  if(conf.transop_id == N2N_TRANSFORM_ID_NULL) {
+    if(conf.encrypt_key) {
+      traceEvent(TRACE_WARNING, "Ignoring -k as -A1 was set");
+      free(conf.encrypt_key);
+      conf.encrypt_key = NULL;
+    }
+  }
+    
   if(rc < 0)
     help();
 

speck.c

@@ -6,6 +6,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
+#include "speck.h"
 
 #if defined (__AVX2__)	// AVX support ----------------------------------------------------
 
@@ -606,10 +607,6 @@ int speck_expand_key (const unsigned char *k, speck_context_t *ctx) {
 #define ROL64(x,r) (((x)<<(r))|((x)>>(64-(r))))
 #define R(x,y,k) (x=ROR64(x,8), x+=y, x^=k, y=ROL64(y,3), y^=x)
 
-typedef struct {
-	u64 key[34];
-} speck_context_t;
-
 
 static int speck_encrypt (u64 *u, u64 *v, speck_context_t *ctx) {
 

speck.h

@@ -1,3 +1,12 @@
+// cipher SPECK -- 128 bit block size -- 256 bit key size
+// taken from (and modified: removed pure crypto-stream generation and seperated key expansion)
+// https://github.com/nsacyber/simon-speck-supercop/blob/master/crypto_stream/speck128256ctr/
+
+#ifdef __APPLE__
+#include <libkern/OSByteOrder.h>
+#define htole64(x) OSSwapHostToLittleInt64(x)
+#endif
+
 #define u64 uint64_t
 
 #if defined (__AVX2__)