tons of checksums (i had fun:3)

1 files changed, 26 insertions, 0 deletions

diff --git a/src/hash/xor.c b/src/hash/xor.c
new file mode 100644
index 0000000..a2c1b0b
--- /dev/null
+++ b/src/hash/xor.c
@@ -0,0 +1,26 @@
+#include "../crypto.h"
+#include <stdio.h>
+#include <stdint.h>
+
+uint8_t i_xor8(uint8_t *aa, size_t len){
+    uint8_t a = 0;
+
+    for(int i = 0; i != len; i++)
+        a += aa[i] & 0xff;
+    
+    return ((a ^ 0xff) + 1) & 0xff;
+}
+
+int l_xor8(lua_State* L){
+  
+  size_t len = 0;
+  uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
+  
+  char digest[8];
+
+  uint8_t u = i_xor8(a, len);
+  sprintf(digest,"%x",u);
+  lua_pushstring(L, digest);
+
+  return 1;
+}