Added LibSodium, new tools/, genKey, sLaika_peer::type

- sLaika_peer has a new member, (PEERTYPE)type
- LibSodium dependency added

tools/genkey/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+project(genKey VERSION 1.0)
+
+# Put CMake targets (ALL_BUILD/ZERO_CHECK) into a folder
+set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+
+# compile genKey
+file(GLOB_RECURSE GENKEYSOURCE ${CMAKE_CURRENT_SOURCE_DIR}/src/**.c)
+add_executable(genKey ${GENKEYSOURCE})
+target_link_libraries(genKey PUBLIC LaikaLib)
+
+# add the 'DEBUG' preprocessor definition if we're compiling as Debug
+target_compile_definitions(genKey PUBLIC "$<$<CONFIG:Debug>:DEBUG>")

tools/genkey/src/main.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "lerror.h"
+#include "lrsa.h"
+
+#define DATA "Encryption/Decryption test passed!\n"
+#define DATALEN 35
+#define CIPHERLEN crypto_box_SEALBYTES + DATALEN
+
+int main(int argv, char **argc) {
+    unsigned char priv[crypto_box_SECRETKEYBYTES], pub[crypto_box_PUBLICKEYBYTES];
+    char buf[256];
+    unsigned char enc[CIPHERLEN];
+    unsigned char dec[DATALEN];
+
+    if (sodium_init() < 0) {
+        printf("Libsodium failed to init!\n");
+        return 1;
+    }
+
+    crypto_box_keypair(pub, priv);
+
+    printf("[~] Generated keypair!\n");
+    sodium_bin2hex(buf, 256, pub, crypto_box_PUBLICKEYBYTES);
+    printf("[~] public key: %s\n", buf);
+    sodium_bin2hex(buf, 256, priv, crypto_box_SECRETKEYBYTES);
+    printf("[~] private key: %s\n\n", buf);
+
+    if (crypto_box_seal(enc, DATA, DATALEN, pub) != 0) {
+        printf("Failed to encrypt!\n");
+        return 1;
+    }
+
+    if (crypto_box_seal_open(dec, enc, CIPHERLEN, pub, priv) != 0) {
+        printf("Failed to decrypt!\n");
+        return 1;
+    }
+
+    printf("%s", dec);
+    return 0;
+}