Add password hashing and verification functions using bcrypt

* Add `generate_password` function to hash passwords
* Add `verify_password` function to check hashed passwords
* Add `generate_random_number` function using secrets module
* Add `generate_random_string` function using secrets module

Author: ProjectZeroDays

utils.py

@@ -0,0 +1,14 @@
+import bcrypt
+import secrets
+
+def generate_password(password):
+    return bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')
+
+def verify_password(password, hashed_password):
+    return bcrypt.checkpw(password.encode('utf-8'), hashed_password.encode('utf-8'))
+
+def generate_random_number(length):
+    return secrets.randbelow(10**length)
+
+def generate_random_string(length):
+    return secrets.token_urlsafe(length)