some small fixes

Images/xor_imag.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+    "fmt"
+    "os"
+)
+
+func main() {
+    file, err := os.Open("ataylor.png")
+    if err != nil {
+        fmt.Println(err)
+        return
+    }
+    info, _ := os.Stat("ataylor.png")
+    input := make([]byte, info.Size())
+    out := make([]byte, len(input))
+    file.Read(input)
+
+    key := [...]byte{0x43, 0x53, 0x41, 0x57} // CSAW
+    for i := 0; i < len(input); i++ {
+        out[i] = input[i] ^ key[i%len(key)]
+    }
+
+    fmt.Println(string(out))
+}