+static int l_hardnested(lua_State *L){
+
+ bool haveTarget = TRUE;
+ size_t size;
+ const char *p_blockno = luaL_checklstring(L, 1, &size);
+ if(size != 2) return returnToLuaWithError(L,"Wrong size of blockNo, got %d bytes, expected 2", (int) size);
+
+ const char *p_keytype = luaL_checklstring(L, 2, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of keyType, got %d bytes, expected 1", (int) size);
+
+ const char *p_key = luaL_checklstring(L, 3, &size);
+ if(size != 12) return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 12", (int) size);
+
+ const char *p_trg_blockno = luaL_checklstring(L, 4, &size);
+ if(size != 2) return returnToLuaWithError(L,"Wrong size of trgBlockNo, got %d bytes, expected 2", (int) size);
+
+ const char *p_trg_keytype = luaL_checklstring(L, 5, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of trgKeyType, got %d bytes, expected 1", (int) size);
+
+ const char *p_trgkey = luaL_checklstring(L, 6, &size);
+ if(size != 12)
+ haveTarget = FALSE;
+
+ const char *p_nonce_file_read = luaL_checklstring(L, 7, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of nonce_file_read, got %d bytes, expected 1", (int) size);
+
+ const char *p_nonce_file_write = luaL_checklstring(L, 8, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of nonce_file_write, got %d bytes, expected 1", (int) size);
+
+ const char *p_slow = luaL_checklstring(L, 9, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of slow, got %d bytes, expected 1", (int) size);
+
+ const char *p_tests = luaL_checklstring(L, 10, &size);
+ if(size != 1) return returnToLuaWithError(L,"Wrong size of tests, got %d bytes, expected 1", (int) size);
+
+ uint32_t blockNo = 0, keyType = 0;
+ uint32_t trgBlockNo = 0, trgKeyType = 0;
+ uint32_t slow = 0, tests = 0;
+ uint32_t nonce_file_read = 0, nonce_file_write = 0;
+
+ sscanf(p_blockno, "%02x", &blockNo);
+ sscanf(p_keytype, "%x", &keyType);
+ sscanf(p_trg_blockno, "%02x", &trgBlockNo);
+ sscanf(p_trg_keytype, "%x", &trgKeyType);
+ sscanf(p_nonce_file_read, "%x", &nonce_file_read);
+ sscanf(p_nonce_file_write, "%x", &nonce_file_write);
+
+ sscanf(p_slow, "%x", &slow);
+ sscanf(p_tests, "%x", &tests);
+
+ uint8_t key[6] = {0,0,0,0,0,0};
+ uint8_t trgkey[6] = {0,0,0,0,0,0};
+ for (int i = 0; i < 32; i += 2) {
+ sscanf(&p_key[i], "%02x", (unsigned int *)&key[i / 2]);
+ if (haveTarget)
+ sscanf(&p_trgkey[i], "%02x", (unsigned int *)&trgkey[i / 2]);
+ }
+
+ uint64_t foundkey = 0;
+ int retval = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, haveTarget ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey);
+
+ //Push the retval on the stack
+ lua_pushinteger(L,retval);
+
+ //Push the key onto the stack
+ uint8_t dest_key[6];
+ num_to_bytes(foundkey, sizeof(dest_key), dest_key);
+
+ //printf("Pushing to lua stack: %012" PRIx64 "\n",key);
+ lua_pushlstring(L, (const char *) dest_key, sizeof(dest_key));
+ return 2; //Two return values
+}
+