feat: authentication

backend/app/core/hashing.py

@@ -0,0 +1,13 @@
+from passlib.context import CryptContext
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+
+def get_password_hash(password: str) -> str:
+    """Hash a password using bcrypt."""
+    return pwd_context.hash(password)
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verify a plain password against a hashed one."""
+    return pwd_context.verify(plain_password, hashed_password)