feat(rands): initial implementation

bytes.go

@@ -0,0 +1,14 @@
+package rands
+
+import "crypto/rand"
+
+// Bytes generates a byte slice of n number of random bytes.
+func Bytes(n int) ([]byte, error) {
+	b := make([]byte, n)
+	_, err := rand.Read(b)
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}