started working on the backend

backend/pkg/router/user.go

@@ -0,0 +1,13 @@
+package router
+
+import "golang.org/x/crypto/bcrypt"
+
+// hashes a password
+func hashPassword(password string) ([]byte, error) {
+	return bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+}
+
+// validates a password against the password-rules
+func validatePassword(password string) bool {
+	return len(password) >= 12 && len(password) <= 64
+}