Create filehashchecker.py

Python/filehashchecker.py

@@ -0,0 +1,31 @@
+import hashlib
+
+def calculate_hash(file_path, hash_type='md5', buffer_size=65536):
+    hash_function = hashlib.new(hash_type)
+    with open(file_path, 'rb') as file:
+        buffer = file.read(buffer_size)
+        while len(buffer) > 0:
+            hash_function.update(buffer)
+            buffer = file.read(buffer_size)
+    return hash_function.hexdigest()
+
+def validate_file_hash(file_path, expected_hash, hash_type='md5'):
+    try:
+        calculated_hash = calculate_hash(file_path, hash_type)
+        if calculated_hash == expected_hash:
+            print(f"Validation successful! The {hash_type.upper()} hash of the file matches the provided hash.")
+        else:
+            print(f"Validation failed! The {hash_type.upper()} hash of the file does not match the provided hash.")
+    except FileNotFoundError:
+        print("Error: File not found.")
+    except PermissionError:
+        print("Error: Permission denied to access the file.")
+    except Exception as e:
+        print(f"Error: {e}")
+
+if __name__ == "__main__":
+    file_path = input("Enter the path to the file: ")
+    expected_hash = input("Enter the expected hash value: ")
+    hash_type = input("Enter the hash type (md5, sha1, or sha256): ").lower()
+
+    validate_file_hash(file_path, expected_hash, hash_type)